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 [Search a list of Patent Appplications for class 126]   CLASS 126,STOVES AND FURNACES
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SECTION I - CLASS DEFINITION

This class includes, generally, apparatus for the application of heat. It comprises cooking and heating stoves, hot-air furnaces, and accessories; hot-air radiators and heating drums; open liquid heaters, steaming apparatus, dampers, fireplaces, and stovepipes. It includes the fuel burner when combined with the stove or furnace structure; combinations of a particular stove or furnace structure of the type classified in this class (126) with a closed liquid heater or steam generator; liquid heaters of only the nonpressure type unless they are structurally tied to the stove or furnace or form a necessary part thereof, and grates of general use in stoves, hot-air furnaces, or boiler furnaces.

SECTION II - REFERENCES TO OTHER CLASSES

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44Fuel and Related Compositions,   subclass 540 for a fuel composition combined with an incombustible carrier, e.g., a torch, etc.
49Movable or Removable Closures,   appropriate subclasses for closures of the type provided for and see the search notes thereto in section IV of Class 49 for the loci of closures in other classes.
68Textiles: Fluid Treating Apparatus,   having significant structure for fluid treatment of a textile, subclass 15 for a textile fluid treating machine combined with a tank heater or subclass 222 for an implement to apply steam to a textile.
99Foods and Beverages: Apparatus,   takes food support means, peculiar to a food, shape, or condition, (e.g., can, jar, bottle, or slice holders, spits, griddles, waffle irons, sandwich grills, article confining or conforming supports), including a mechanism for manipulating food during cooking, other than mere agitation or stirring (e.g., conveying or bodily moving), or including a mechanism for treating food (e.g., basting, compressing, molding, drip, or gravy segregating), and, in any case, irrespective of whether or not a heat, steam, or vapor generator or enclosure is claimed; subclasses 293+ for a steamer or condenser type of beverage infuser, subclass 311 for a gravity feed beverage infuser with force feed fountain type recycling or repercolating supply having an overflow, subclasses 324+ for food cooking apparatus, or subclasses 467+ for apparatus subjecting food to an enclosed modified atmosphere.
110Furnaces,   for the broad art of combustion of solid or combined solid and fluid fuel.
122Liquid Heaters and Vaporizers,   for a closed or pressurized liquid heater or vaporizer for other than a stove or furnace.
160Flexible or Portable Closure, Partition, or Panel,   for devices (1) in the form of panels in which flexible fabrics or other flexible sheet material forms the panel portion, (2) in the form of panel units formed of plural strips, slats or panels interconnected for relative motion (excluding those connected only by a common operator or mounted on a common support), (3) panels in the form of portable partitions or (4) parts (1)-(3) combined with each other or with rigid closures or other rigid panels, even though combined with only those features of the fire place, stove or furnace which pertain to the mounting and for operating of the flexible or portable panels.
219Electric Heating,   for the generation of heat by electricity, and the utilization of the heat similarly to this class (126) as in fluid, oven, tool, etc., heating wherein there is involved electrical characteristics or structure.
236Automatic Temperature and Humidity Regulation,   for means to accomplish the function of the class wherein there is not involved structure which forms the basis of classification in this class (126).
237Heating Systems,   for an apparatus or process of heating an enclosure, subclass 7 for a combined radiator and boiler having automatic control, or subclasses 16-18 for a combined boiler and radiator.
264Plastic and Nonmetallic Article Shaping or Treating: Processes,   subclass 30 for furnace lining formation or repair and see the notes thereto.
431Combustion,   appropriate subclass for a residual combustion apparatus or process, per se.
432Heating,   appropriate subclass for the apparatus or method for the application of heat to materials not specifically provided for in the subclasses of Class 126, or elsewhere.
588Hazardous or Toxic Waste Destruction or Containment,   subclasses 313 through 320for processes wherein toxic or hazardous waste is burned in a stove or furnace. See cross-reference art collection, subclass 900, for apparatus useful in the destruction of hazardous or toxic waste.

SUBCLASSES

[List of Patents for class 126 subclass 1]    1Cooking:
 This subclass is indented under the unnumbered subclass, STOVES.  Subject matter generally of cast or sheet metal, wire, or rod construction, adapted to culinary heating purposes.

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19.5,for combustion engine heated cooking stoves and ovens.
100,for cooking stoves combined with hot air furnaces.
218,for attachments used on the top of heating stoves adapting such stoves to cooking.
222+,for trash burning cooking stoves.
263.01+,for cooking stoves in which heat is generated by noncombustion chemical reactions.
506,for cooking or oven attachments used in fireplaces.

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99Foods and Beverages: Apparatus,   subclasses 324+ for mass or machine type cookers and for vessels with heating means, which are particularly adapted to the cooking of foods or the preparation of beverages.
  
[List of Patents for class 126 subclass 2]    2Double fire pot:
 This subclass is indented under subclass 1.  Cooking stoves that have two or more fire pots related to a single structure.

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111,for this structure in a hot air furnace.
  
[List of Patents for class 126 subclass 3]    3Cooking and heating:
 This subclass is indented under subclass 2.  Devices comprising a combined cooking and heating stove.
  
[List of Patents for class 126 subclass 4]    4Combined cooking and heating stove:
 This subclass is indented under subclass 1.  Cooking stoves adapted to heating for purposes other than cooking. In this subclass will be found what are generally known as "parlor cooking stoves".

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3,for such stoves having double fire pots.
100,for hot air furnaces adapted to cooking.
218,for heating stoves having lid or tops or attachments for the lid or top to adapt it for cooking.
  
[List of Patents for class 126 subclass 5]    5Steam or water generators:
 This subclass is indented under subclass 4.  Combined cooking and heating stoves provided with steam or hot water generators for house heating, power, or cooking.

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344through 363.1, for a liquid heater that may include a kettle, a steam generator, stove pipe for use with a stove, a domestic water heater or boiler (e.g., kitchen boiler, range boiler, etc.) for use with a stove or furnace.
  
[List of Patents for class 126 subclass 6]    6Air-heating:
 This subclass is indented under subclass 4.  Combined cooking and heating stoves which have means for heating and circulating a current of air.

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58+,for detail air heating features.
  
[List of Patents for class 126 subclass 7]    7Magazine:
 This subclass is indented under subclass 4.  Combined cooking and heating stoves which contain a magazine or self- feeder.

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10,and see the notes thereunder, for other magazine feeds.
  
[List of Patents for class 126 subclass 8]    8Brick set:
 This subclass is indented under subclass 1.  Subject matter in a masonry setting, permanent in character.
  
[List of Patents for class 126 subclass 9]    9Knockdown or separable:
 This subclass is indented under subclass 1.  Devices structurally adapted to be folded or the several parts separated, so as to allow for its easy transportation from place to place. The stoves in this class are usually termed "portable furnaces".

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25+,59 and 275, for other stoves having knock-down or separable features.
  
[List of Patents for class 126 subclass 10]    10Magazine:
 This subclass is indented under subclass 1.  Devices that are provided with magazines or self-feeding coal devices.

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7,68, 73, 74, 107, and 501, for other stoves having magazine feed.

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110Furnaces,   subclasses 293+ for magazine fed furnaces.
  
[List of Patents for class 126 subclass 11]    11Portable:
 This subclass is indented under subclass 10.  Subject matter in which the magazine or coal-receptacle is removably placed in the stove-holes and provided with means for feeding the coal to the fire-pot.
  
[List of Patents for class 126 subclass 12]    12Hearths:
 This subclass is indented under subclass 1.  Subject matter relating to hearths and to means for attaching the hearth to the stove.
  
[List of Patents for class 126 subclass 13]    13Fire pot:
 This subclass is indented under subclass 12.  Devices that are provided with fire pots for cooking or broiling purposes.
  
[List of Patents for class 126 subclass 14]    14Broiling attachments:
 This subclass is indented under subclass 1.  Subject matter including attachments for broiling purposes which are inseparable from the stove structure.

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41,for gas stove broilers.

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99Foods and Beverages: Apparatus,   subclasses 385 , 444, 450, and any indented subclasses for food broiling apparatus.
219Electric Heating,   subclass 450.1 for an exposed planar support surface for material to be heated (e.g., hot plate, etc.) for contact with food (e.g., grill, griddle, etc.).
  
[List of Patents for class 126 subclass 15]    15Feeding air:
 This subclass is indented under subclass 1.  Subject matter including means for the preliminary heating of air before its introduction into the combustion chamber or flues.

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110Furnaces,   subclass 201 for a locomotive furnace provided with an air preheater; subclass 254 for a refuse incinerator provided with an air preheater; and subclasses 302+ for other types of solid fuel furnaces provided with an air preheater.
  
[List of Patents for class 126 subclass 16]    16Flue cleaners:
 This subclass is indented under subclass 1.  Subject matter with means for cleaning the flues, also combined scrapers and soot-receptacles applicable to this class of stove.

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280,for forms of soot-receptacles.

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15Brushing, Scrubbing, and General Cleaning,   appropriate subclasses for a flue cleaner, particularly subclasses 104.066+ for a brush or broom implement; subclasses 104.068+ for a scraper flue implement; subclass 249.1 for a brush or broom implement intended to be left attached (i.e., at work and at rest) to a flue; subclasses 249.2+ for a scraper implement intended to be left attached (i.e., at work and at rest) to a flue.
  
[List of Patents for class 126 subclass 17]    17Smoke pipe-heated:
 This subclass is indented under the unnumbered subclass, Elevated ovens.  Subject matter that have ovens supported by a stove-pipe above the top plate of the stove and heated thereby. In this subclass will be found warming-ovens that are stovepipe heated.
  
[List of Patents for class 126 subclass 18]    18Top plate-supported:
 This subclass is indented under the unnumbered subclass, Elevated ovens.  Subject matter in which an oven is elevated above and supported by the stove-top.
  
[List of Patents for class 126 subclass 19]    19Ovens:
 This subclass is indented under subclass 1.  Subject matter relating to the structure of the chamber used for baking or roasting.

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19.5,for ovens heated by the waste heat of combustion engines.
273+,for various species of ovens as indicated by the subclass titles.

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428Stock Material or Miscellaneous Articles,   subclasses 606+ for metallic stock material in the form of foil.
  
[List of Patents for class 126 subclass 19.5]    19.5COMBUSTION ENGINE-HEATED COOKING STOVES, OVEN OR HEATING VESSELS:
 This subclass is indented under the class definition.  Subject matter consisting of domestic heating vessels and/or heat exchangers used for heating in the manner of a cooking stove or oven which are heated by the waste heat of a combustion engine as contained in its exhaust products or cooling fluid.

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271.1+,for surfaced heaters, some of which utilize heat from the exhaust or cooling fluid of engines.

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60Power Plants,   subclasses 320+ for an internal combustion engine in which an exhaust system element is nominal means for heating.
237Heating Systems,   subclasses 12.1+ for heating systems utilizing the waste heat of power plants.
  
[List of Patents for class 126 subclass 20]    20Steam or hot water:
 This subclass is indented under subclass 19.  Subject matter in which the oven is heated by steam or hot water, either where the steam or hot water surrounds the oven or where the steam enters the oven.

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369through 369.3, for a liquid heating steam chamber for food.
377.1through 392.1, for an open-top liquid heating vessel that may include a lid having a confining, directing, or shielding feature for a liquid or steam used to heat the vessel.
  
[List of Patents for class 126 subclass 20.1]    20.1Plural:
 This subclass is indented under subclass 20.  Devices consisting of two or more compartments each (1) constituting a distinct oven or (2) having separate means of access thereto.
  
[List of Patents for class 126 subclass 20.2]    20.2Selective supply:
 This subclass is indented under subclass 20.1.  Devices in which means are provided to control the supply of heating fluid, at will, to less than all of the ovens.

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369.3,for a steaming chamber for food having selective supply.
  
[List of Patents for class 126 subclass 21]    21Ventilated:
 This subclass is indented under subclass 19.  Subject matter where means are provided for heating a current of air, circulating it through the oven, and usually feeding it to the combustion chamber or flues.
  
[List of Patents for class 126 subclass 22]    22Protector plate:
 This subclass is indented under subclass 19.  Subject matter including devices to be used in the oven for the purpose of protecting articles to be baked therein. Some of these devices are provided with air-moistening means.
  
[List of Patents for class 126 subclass 23]    23Reversible:
 This subclass is indented under subclass 1.  Subject matter that are convertible into a right and left hand stove; also, where the smoke-collar is interchangeable from the back to the top plate, or vice versa.
  
[List of Patents for class 126 subclass 24]    24Ship’s galley:
 This subclass is indented under subclass 1.  Cooking stoves counterbalanced or suspended to maintain their equilibrium.

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114Ships,   subclasses 188+ for ships furnishings which may include stoves of this type limited to ship board use.
  
[List of Patents for class 126 subclass 25]    25Summer:
 This subclass is indented under subclass 1.  Subject matter that is portable in character, usually employed in outdoor work, and adapted to burn charcoal or light fuel. These stoves are frequently called "braziers".

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9,for other knockdown or portable stoves.
227,230, and 236, for similar devices for heating flat irons or soldering irons respectively.
  
[List of Patents for class 126 subclass 26]    26Detachable fire pot:
 This subclass is indented under subclass 25.  Subject matter comprising fire-pot structures adapted to be supported in and cooperate with the stove-hole of ordinary cooking stoves.
  
[List of Patents for class 126 subclass 27]    27Stove top-supported:
 This subclass is indented under subclass 25.  Subject matter designed to be supported upon the top plate of an ordinary kitchen-stove, with the smoke-outlet in communication with the stove proper through the medium of the stove-lid opening. These devices are frequently termed "portable furnaces".

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26,for field cooking stoves with detachable fire pots.
  
[List of Patents for class 126 subclass 28]    28Stove flue-connected:
 This subclass is indented under subclass 27.  Devices in which the smoke-outlet has direct connection with the stove-pipe or smoke-flue of the stove.
  
[List of Patents for class 126 subclass 29]    29Field:
 This subclass is indented under subclass 25.  Stoves designed to be employed in the open air and are what may be termed "bottomless", the fire being built upon the ground.

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59,for camp heating stoves.

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110Furnaces,   subclass 239 for stoves to be placed around a stump to burn it.
  
[List of Patents for class 126 subclass 30]    30Supporting frame:
 This subclass is indented under subclass 29.  Devices in the nature of supports and tripods designed to suspend or support cooking utensils over the fire.

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248Supports,   subclasses 146 through 154for a stationary receptacle stand.
  
[List of Patents for class 126 subclass 31]    31Flue extension:
 This subclass is indented under the unnumbered subclass, Water-heating.  Stoves in which a tank containing water to be heated is placed in an extension-chamber through which the products of combustion pass. This type of stove is generally known as "reservoir cooking-stove".

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364.1,365.1, for a liquid heater and stovepipe.
  
[List of Patents for class 126 subclass 32]    32Spittoon attachments:
 This subclass is indented under subclass 1.  Subject matter in the nature of attachments for spittoons.

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4Baths, Closets, Sinks, and Spittoons,   subclasses 258+ for spittoons.
  
[List of Patents for class 126 subclass 33]    33Tables, steam-heated:
 This subclass is indented under subclass 1.  Devices that are in the form of shallow chambers provided with means for causing a circulation of steam or hot water therein, whereby the top plates or receptacles placed thereon are heated, e.g., candy-tables, carving-tables, food-warming vessels, and similar devices.

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369through 369.3, for a steam chamber for food.
377.1through 392.1, for an open-top liquid heating vessel that may include a lid having a confining, directing, or shielding feature for a liquid or steam used to heat the vessel.
  
[List of Patents for class 126 subclass 34]    34Water backs:
 This subclass is indented under subclass 1.  Stoves provided with generators, steam or hot-water, located in or adjacent to the combustion-chamber.

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5,for a steam or hot water generator for house heating, power, or cooking.
53,for a fluid fueled cooking stove providing a water back to heat water for a domestic purpose.
361.1through 363.1, for a boiler receiving hot liquid or steam from a stove or furnace (e.g., kitchen boiler, range boiler, etc.).
  
[List of Patents for class 126 subclass 35]    35Safety devices:
 This subclass is indented under subclass 34.  Stoves provided with means for preventing the bursting of the water-back, due to excessive internal pressure as the result of overheating or the freezing of the water.

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122Liquid Heaters and Vaporizers,   subclasses 504+ for safety devices on steam generators in general.
137Fluid Handling,   subclasses 59+ for valves controlled by means sensing freezing conditions, subclasses 67+ for valves controlled by a destructible element, and subclasses 455+ for valves responsive to changes in line conditions, particularly subclasses 457 and 468 responsive to a change in thermal condition.
220Receptacles,   subclasses 366.1 and 367.1+ for vent means in a closure.
  
[List of Patents for class 126 subclass 36]    36Combined coal and gas:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Subject matter comprising combined coal and gas stoves where the gas-stove is a permanent part of the cooking stove or range.
  
[List of Patents for class 126 subclass 37]    37Cabinet:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Subject matter comprising cabinets or inclosing casings that are structurally designed to inclose or conceal gas or liquid-fuel stoves when not in use. The cabinets are usually provided with compartments wherein articles of food and the like may be placed.

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312Supports: Cabinet Structure,   subclass 236 for cabinets having both storage space and a stove where no structural characteristics of the stove or the control thereof are claimed.
  
[List of Patents for class 126 subclass 38]    38Folding or nesting kit:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Devices adapted to be folded or slipped together and designed as such to contain the heating element and as a rule, the article acted upon by the heating element. These devices are frequently termed "pocket-stoves".
  
[List of Patents for class 126 subclass 39]    39Gas:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Subject matter comprising improvements in the ordinary commercial gas-stove.
  
[List of Patents for class 126 subclass 40]    40Burner stands:
 This subclass is indented under subclass 39.  Devices in the nature of combined burner and stand, that are portable in character, and as such are designed to be placed upon a table or similar article of support. These devices are usually of the "single-burner" variety.
  
[List of Patents for class 126 subclass 41]    41Broilers:
 This subclass is indented under subclass 39.  Devices comprising gas-stove structures with broiling attachments.

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14,for other broiling attachments.

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99Foods and Beverages: Apparatus,   subclasses 385+ , 444+ and 450 for food broilers designed to treat the food by more or other than mere heating.
  
[List of Patents for class 126 subclass 42]    42Safety attachments:
 This subclass is indented under subclass 39.  Devices that are designed to simultaneously close the valves in branch pipes when the valve in the main gas supply is closed, also valve-locking means that will prevent the accidental opening of the valves.

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351.1,for a fluid fuel burner other than a top-accessible liquid heating vessel and a condition responsive feature.
374.1,for an open-top liquid heating vessel that may include a lid and a condition responsive feature.

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70Locks,   subclass 178 for valve encasing locks designed to prevent unauthorized operation of the encased valve.
431Combustion,   subclass 153 for residual combustion apparatus having structure preventing the feeding of gaseous or liquid fuel when the apparatus is in a condition in which operation would be unsafe.
  
[List of Patents for class 126 subclass 43]    43Alcohol:
 This subclass is indented under the unnumbered subclass, Liquid.  Subject matter which employ alcohol burners.
  
[List of Patents for class 126 subclass 44]    44Vapor:
 This subclass is indented under the unnumbered subclass, Liquid.  Subject matter comprising liquid-fuel cooking-stoves of the well known retort vapor-burner type.
  
[List of Patents for class 126 subclass 45]    45Wick:
 This subclass is indented under the unnumbered subclass, Liquid.  Subject matter comprising liquid-fuel cooking-stoves of the wick burner type.
  
[List of Patents for class 126 subclass 46]    46Extension top:
 This subclass is indented under subclass 45.  Liquid-fuel wick-type stoves where the improvement resides in the means for giving the top an enlarged or extended cooking-surface.

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216,for other domestic heaters which burn gas or liquid fuel and have an extended top.
  
[List of Patents for class 126 subclass 47]    47Lamp type:
 This subclass is indented under subclass 45.  Devices where the heater is of the ordinary lamp or illuminating type structure.
  
[List of Patents for class 126 subclass 48]    48Combined top, chimney and burner:
 This subclass is indented under subclass 47.  Devices having a combined top, chimney, and burner. These devices are frequently termed "drums" in the art.
  
[List of Patents for class 126 subclass 49]    49Reservoir supporting top and burner:
 This subclass is indented under subclass 45.  Liquid-fuel wick-stove in which a combined supporting-top and burner are supported in an elevated position from and above the oil-reservoir.
  
[List of Patents for class 126 subclass 50]    50Supporting frame:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Subject matter comprising gas, liquid-fuel, and vapor stove frames, usually of skeleton form, provided with liquid or gaseous fuel heating-burners and designed to support the ordinary kitchen utensils.

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211+,especially subclass 215 for elevated supports for other fluid fuel stoves.
  
[List of Patents for class 126 subclass 51]    51Drip pan or receptacle:
 This subclass is indented under the unnumbered subclass Liquid.  Devices that are in the form of pans or receptacles so attached to liquid or vapor stove supporting frames that they will catch the oil dripping or overflowing from a burner or burners. Means are sometimes provided for conducting the accumulated oil from the pans to a receptacle.
  
[List of Patents for class 126 subclass 52]    52Valve mechanism, article-controlled:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Subject matter burning fluid fuel and having fuel control valves that are opened by the weight of the article to be heated and closed through the medium of a weight or spring.

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234,and 238, for stove shelves which may operate valves.
  
[List of Patents for class 126 subclass 53]    53Water backs:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Subject matter comprising gas or vapor stove structures that are provided with water-backs designed to heat water for domestic purposes.

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34,for a cooking stove having a water back.
39through 51, for an improvement in a gas cooking stove.
44,for a liquid fueled cooking stove of retort vapor-burner type.
361.1through 363.1, for a boiler receiving hot liquid or steam from a stove or furnace (e.g., kitchen boiler, range boiler, etc.).
  
[List of Patents for class 126 subclass 54]    54Combined burner and water back:
 This subclass is indented under subclass 53.  Subject matter in which the burner structures and water-heating means are integral.
  
[List of Patents for class 126 subclass 55]    55Combined base and hot closet:
 This subclass is indented under subclass 1.  Subject matter comprising devices that are designed to support the stove or range from the floor. It is usual to provide the base with what may be termed a warming or hot closet.

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277,and 305, for other platforms and base supports respectively.
  
[List of Patents for class 126 subclass 56]    56Car:
 This subclass is indented under the unnumbered subclass, STOVES.  Subject matter comprising stoves that are specially designed for use on railroad-cars and similar structures.
  
[List of Patents for class 126 subclass 57]    57Protective casings:
 This subclass is indented under subclass 56.  Car-stoves wherein the improvement resides in means to make it safe in case of derailment, collision, or other accident to the car. The means may be an inclosing casing, an automatically-operated closing casing, or automatic means for closing the inlet and outlet openings of the stove.

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544,through 551, for fire screen and guards, per se.
  
[List of Patents for class 126 subclass 58]    58Heating:
 This subclass is indented under the class definition.  Subject matter relating to usually cast or sheet metal, heat generators that are direct-heat radiating.
  
[List of Patents for class 126 subclass 59]    59Camp:
 This subclass is indented under subclass 58.  Heating stoves of the knock-down type, specially designed for tent heating.

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9,for other knock-down stoves.
65+,for other sheet metal stoves.
  
[List of Patents for class 126 subclass 59.5]    59.5Orchard:
 This subclass is indented under subclass 58.  Portable devices for generating heat or smoke for protecting orchards from frost.

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47Plant Husbandry,   subclass 2 for frost preventing means for plants, not otherwise provided for.
99Foods and Beverages: Apparatus,   subclasses 467+ for smoke generators combined with food treating apparatus.
110Furnaces,   appropriate subclasses, where the invention is merely a means for combustion of solid fuel.
431Combustion,   subclasses 331+ for a pot forming a liquid fuel holding and burning unit not having a stove or heat transfer feature.
  
[List of Patents for class 126 subclass 60]    60Horizontal body:
 This subclass is indented under subclass 58.  Heating stoves having horizontally elongated fire-boxes or combustion-chambers.
  
[List of Patents for class 126 subclass 61]    61Hot air:
 This subclass is indented under subclass 60.  Devices which are provided with means for heating and circulating a current or air.
  
[List of Patents for class 126 subclass 64]    64Panel:
 This subclass is indented under subclass 58.  Heating stoves having walls or earthenware refractory material.

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98,and 119, for related subject matter, involving stove or hot air furnace joints.
  
[List of Patents for class 126 subclass 65]    65Sheet metal:
 This subclass is indented under subclass 58.  Heating stoves the outer walls of which are formed of sheet metal. These stoves are of the wood-burning type, having generally no separate or distinct fire-pot.
  
[List of Patents for class 126 subclass 66]    66Hot air:
 This subclass is indented under subclass 65.  Devices provided with air heating and circulating features.
  
[List of Patents for class 126 subclass 67]    67Hot air:
 This subclass is indented under subclass 58.  Heating stoves which are provided with means for heating and circulating a current of air and are not more specifically classified.

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6,for combined cooking and hot air stoves.
61,for horizontal body hot air stoves.
66,for sheet metal wood burning hot air stoves.
88,through 90, for gas burning hot air stoves.
93,through 97, for liquid fuel burning hot air stoves.
99,through 119, for hot air furnaces and see the notes thereunder to Class 432, Heating.
500,through 555, for hot air fireplaces, especially subclasses 506, 524, and 531, and see the notes thereunder.
  
[List of Patents for class 126 subclass 68]    68Magazine:
 This subclass is indented under subclass 67.  Devices provided with magazines or self-feeders.

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10,for other magazine feeds.
  
[List of Patents for class 126 subclass 69]    69Revertible draft, base-heating:
 This subclass is indented under subclass 67.  Devices provided with means for giving the products a direct or indirect course to the outlet-flue. When an indirect course is employed, it heats the base of the stove.

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74,and 75, for revertible-draft features.
  
[List of Patents for class 126 subclass 70]    70Internal air chamber:
 This subclass is indented under subclass 67.  Devices in which the air heating chamber is located centrally relative to the combustion chamber.

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71,for hot air radiating stoves in which the air heating chamber is a central, vertical tube.
  
[List of Patents for class 126 subclass 71]    71Central air tube:
 This subclass is indented under subclass 67.  Devices in which an air-tube passes vertically and centrally through the heater.

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70,for central chamber hot air radiating stoves.
72,for tubular chamber hot air radiating stoves.
109,for hot air furnaces having tubular air passages.
  
[List of Patents for class 126 subclass 72]    72Tubular air heaters:
 This subclass is indented under subclass 67.  Devices provided with a series of air-tubes which are passed vertically, horizontally, or diagonally through the combustion chamber.

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70,for central chamber hot air radiating stoves.
71,for hot air radiating stoves having central, vertical tubes.
109,for hot air furnaces having tubular air passages.
  
[List of Patents for class 126 subclass 73]    73Magazine:
 This subclass is indented under subclass 58.  Heating stoves that are provided with magazines or self-feeders.

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10,for other magazine feeds.

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110Furnaces,   subclasses 255+ for a refuse incinerator provided with feeding means; and subclasses 267+ for a furnace provided with fuel feeding means.
  
[List of Patents for class 126 subclass 74]    74Revertible draft, base-heating:
 This subclass is indented under subclass 73.  Devices that are provided with a direct or indirect course to the outlet-flue. When an indirect course is employed, it heats the base of the stove.

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69,and 75, for other revertible draft features.
  
[List of Patents for class 126 subclass 75]    75Revertible draft, base-heating:
 This subclass is indented under subclass 58.  Heating stoves having means to give a direct or an indirect course to the products of combustion. The indirect course causes the heating of the base.

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69,and 74, for other revertible-draft features.
  
[List of Patents for class 126 subclass 76]    76Downdraft:
 This subclass is indented under subclass 58.  Heating stoves in which the draft is downward through the fuel.
  
[List of Patents for class 126 subclass 77]    77Feeding air:
 This subclass is indented under subclass 58.  Heating stoves having means for heating and introducing air to the zone of combustion.

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15,for air feeding cooking stoves.
112,for air feeding means for hot air furnaces.
146,for firepots provided with air feeding means.
163,for grates having air feeding features.
193,for stove doors and windows having air feeding provisions.

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110Furnaces,   subclass 201 for a locomotive furnace provided with an air preheater; subclass 254 for an incinerator provided with an air preheater; and subclasses 302+ for other types of solid fuel furnaces provided with air preheaters.
  
[List of Patents for class 126 subclass 78]    78Feeding steam:
 This subclass is indented under subclass 58.  Heating stoves having steam feeding devices that are specially applicable and structurally related to such stoves.

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110Furnaces,   appropriate subclasses for steam and air feeding devices.
  
[List of Patents for class 126 subclass 79]    79Smoke and gas returning:
 This subclass is indented under subclass 58.  Heating-stoves that are provided with means for returning the gases or products of combustion from the smoke-outlet to the combustion-chamber of the stove.

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110Furnaces,   particularly subclasses 203+ for furnaces having similar means.
362Illumination,   subclasses 171+ for lanterns in which a portion of the products of combustion is led back to the flame.
  
[List of Patents for class 126 subclass 80]    80Ventilating attachments:
 This subclass is indented under subclass 58.  Heating-stoves that are provided with special ventilating attachments or features.

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21,84, 198, 293, and 316, for stoves having ventilating features.

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454Ventilation,   particularly subclasses 1+ for other ventilating means associated with heaters.
  
[List of Patents for class 126 subclass 81]    81Stove plates:
 This subclass is indented under subclass 58.  Heating-stoves having ornamental and name plates; and means employed for attaching them to the outer surfaces of stove-bodies.
  
[List of Patents for class 126 subclass 82]    82Adjustable pipe collar:
 This subclass is indented under subclass 58.  Heating-stoves having a back plate carrying the pipe-collar, and capable of variable adjustments relative to the flue-opening.

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315,for adjustable flue collars.
  
[List of Patents for class 126 subclass 83]    83Deflector plate:
 This subclass is indented under subclass 58.  Heating-stoves having retarding plates so formed and arranged as to give the products of combustion a circuitous course to the exit flue.
  
[List of Patents for class 126 subclass 84]    84Combined heating and ventilating:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Heating-stoves of the liquid and gaseous fuel type that are structurally adapted to both heat and ventilate the room in which they are located.

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80,94 and 97, for related subject matter.
  
[List of Patents for class 126 subclass 85]    85Gas:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Heating-stoves of the gaseous fuel type that do not fall under more specific subclasses.
  
[List of Patents for class 126 subclass 86]    86Open front:
 This subclass is indented under subclass 85.  Devices of the open-front type that are adapted for the burning of gaseous fuel.

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97,and 512, for related subject matter.
  
[List of Patents for class 126 subclass 87]    87Asbestos fireback:
 This subclass is indented under subclass 86.  Devices where the back plate or wall is provided with asbestos fiber and adapted to be heated to incandescence.

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400,for heat accumulator structures.
  
[List of Patents for class 126 subclass 88]    88Hot air:
 This subclass is indented under subclass 87.  Devices that are provided with specific air heating features.

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512,for asbestos fire-backs of the liquid or gaseous type for fireplaces.
  
[List of Patents for class 126 subclass 89]    89Hot air:
 This subclass is indented under subclass 86.  Devices that are provided with specific air heating features.
  
[List of Patents for class 126 subclass 90]    90Hot air:
 This subclass is indented under subclass 85.  Devices that are provided with various forms of air heating means.
  
[List of Patents for class 126 subclass 91]    91Radiator type:
 This subclass is indented under subclass 85.  Devices that have the structural form of tubular radiators.

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219Electric Heating,   subclasses 375 through 378for electrically heated radiators.
  
[List of Patents for class 126 subclass 92]    92Incandescent fire grate:
 This subclass is indented under subclass 85.  Devices that are adapted to receive or hold substances which are heated to incandescence by gas or similar burners. These devices are usually employed in fireplaces or in open-front heaters.

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86+,for related subject matter.

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431Combustion,   subclasses 326+ for a radiant surface burner and subclasses 347+ for a burner having an incandescing or reflecting component.
  
[List of Patents for class 126 subclass 93]    93Liquid:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Heating stoves that are structurally adapted for the burning of liquid fuel.
  
[List of Patents for class 126 subclass 94]    94Flue-connected:
 This subclass is indented under subclass 93.  Devices that are provided with means for connecting them with chimney or flue openings.

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84,for liquid and gaseous fuel heating stoves having heating and ventilating provisions.
  
[List of Patents for class 126 subclass 95]    95Vapor:
 This subclass is indented under subclass 93.  Devices that are provided with liquid-fuel retort vapor-burners.
  
[List of Patents for class 126 subclass 96]    96Wick:
 This subclass is indented under subclass 93.  Devices that are of the wick type and those that are provided with specific air heating features. These devices are usually termed "lamp-stoves".
  
[List of Patents for class 126 subclass 97]    97Heating and illuminating:
 This subclass is indented under subclass 96.  Devices in which the stove proper is provided with an open front and adapted to receive an illuminating-lamp as the heater.

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86+,294 and 512, for detail stove features.
248,for drum features.
  
[List of Patents for class 126 subclass 98]    98Joints:
 This subclass is indented under subclass 58.  Heating-stoves comprising the structural features of stove joints.

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64,and 119, for similar structures.
  
[List of Patents for class 126 subclass 99]    99HOT-AIR FURNACES:
 This subclass is indented under the class definition.  Subject matter relating to furnaces which heat air in an inclosing case or jacket to be distributed to points remote from the furnace.

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6,for combined cooking and hot air stoves.
67+,for hot air stoves.
500+,for hot air fireplaces.

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432Heating,   subclasses 222+ for means heating air by mixing it with combustion products, and subclass 219 for a residual apparatus for heating a gaseous or liquid material.
  
[List of Patents for class 126 subclass 100]    100Combined with cooking stove:
 This subclass is indented under subclass 99.  Hot air furnaces that are provided with cooking-stove or oven attachments.
  
[List of Patents for class 126 subclass 101]    101Combined with boiler:
 This subclass is indented under subclass 99.  Hot air furnaces combined with steam, or water heaters, generally known in the art as "hot-air furnaces, steam".
  
[List of Patents for class 126 subclass 102]    102Circular radiating drum:
 This subclass is indented under subclass 99.  Hot air furnaces in which the radiating drum encircles the fire-pot or combustion-chamber.
  
[List of Patents for class 126 subclass 103]    103Downdraft:
 This subclass is indented under subclass 99.  Hot air furnaces in which the products of combustion are caused to pass in a downward direction through the fuel.
  
[List of Patents for class 126 subclass 104]    104Horizontal combustion chamber:
 This subclass is indented under subclass 99.  Hot air furnaces which are provided with horizontal or elongated fire-boxes or combustion-chambers.

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60,61 and 108, for related subject matter.
  
[List of Patents for class 126 subclass 105]    105Hot-air equalizers:
 This subclass is indented under subclass 99.  Hot air furnaces having devices for equally distributing heated air to the several apartments of a building.
  
[List of Patents for class 126 subclass 106]    106Internal air chamber:
 This subclass is indented under subclass 99.  Hot air furnaces in which an air heating chamber is centrally situated as respects the combustion-chamber and provided with passages which connect the chamber with the space formed by the inclosing case or jacket.

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70,71 and 109, for air heating structures.
  
[List of Patents for class 126 subclass 107]    107Magazine:
 This subclass is indented under subclass 99.  Hot air furnaces that are provided with magazines or self-feeders.

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10,for other magazine feeds.

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110Furnaces,   subclasses 255+ for an incinerator provided with feed means; and subclasses 267+ for other solid fuel furnaces provided with feed means.
  
[List of Patents for class 126 subclass 108]    108Secondary heating chamber horizontally arranged:
 This subclass is indented under subclass 99.  Hot air furnaces in which the radiating devices are located at the rear of the furnace proper and within the air-casing.

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104,for related subject matter.
  
[List of Patents for class 126 subclass 109]    109Tubular air heater:
 This subclass is indented under subclass 99.  Hot air furnaces which have air-tubes passed vertically, horizontally, or diagonally through the combustion-chamber and which communicate with the space formed by the inclosing case or jacket.

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71,72 and 106, for similar air heating arrangements.

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454Ventilation,   appropriate subclasses for building ventilation, per se.
  
[List of Patents for class 126 subclass 110]    110Compressed air:
 This subclass is indented under subclass 99.  Hot air furnaces for heating air under compression, as distinguished from devices for compressing the air to heat it.
  
[List of Patents for class 126 subclass 111]    111Double fire pot:
 This subclass is indented under subclass 99.  Hot air furnaces that are provided with two or more firepots and structural features by which the firepots are capable of separate or joint use.

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2,for double fire-pot cooking stoves.

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110Furnaces,   subclasses 208+ for multiple firebox furnaces provided with exhaust gas treatment means; and subclasses 295+ for other types of multiple firebox solid fuel furnaces.
  
[List of Patents for class 126 subclass 112]    112Feeding air:
 This subclass is indented under subclass 99.  Hot air furnaces having devices formed and arranged for heating and introducing air into the combustion-chamber.

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15,77, 78, 146, and 193, for related subject matter.

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110Furnaces,   subclass 201 for a locomotive type furnace provided with an air preheater; subclass 254 for an incinerator provided with an air preheater; and subclasses 302+ for other types of solid fuel furnaces provided with air preheaters.
  
[List of Patents for class 126 subclass 113]    113Air moisteners:
 This subclass is indented under subclass 99.  Hot air furnaces having a water pan so formed and arranged as to produce vapor which moistens the air heated by the furnace.
  
[List of Patents for class 126 subclass 114]    114Casings:
 This subclass is indented under subclass 99.  Hot air furnaces having an inclosing furnace-casing.

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117,for preliminary air heating devices.
  
[List of Patents for class 126 subclass 115]    115Dust flue:
 This subclass is indented under subclass 99.  Hot air furnaces provided with means for conveying the dust resultant from raking the fire to the smoke-pipe or fire-pot.
  
[List of Patents for class 126 subclass 116]    116Liquid or gaseous fuel:
 This subclass is indented under subclass 99.  Hot-air furnaces in which the heating agent is either a liquid or gaseous fuel burner or combined coal and liquid or gaseous fuel burner. Also included here are attachments independent of the main furnace, but connected thereto, and floor-register attachments.

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454Ventilation,   subclasses 284+ for register features.
  
[List of Patents for class 126 subclass 117]    117Preliminary air heater:
 This subclass is indented under subclass 99.  Hot air furnaces having devices for heating the air before it is conveyed to the space formed by the surrounding jacket or casing of a furnace.

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114,for hot air furnace casings.
  
[List of Patents for class 126 subclass 118]    118Radiating flanges:
 This subclass is indented under subclass 99.  Hot air furnaces having flanges or pins which are attached to furnace sections and drums for increasing their radiating-surfaces.
  
[List of Patents for class 126 subclass 119]    119Joints:
 This subclass is indented under subclass 99.  Hot air furnaces comprising the structure of the joints of the furnace or casing.

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64,and 98, for joints in heating stoves.
  
[List of Patents for class 126 subclass 144]    144FIRE POTS AND LININGS:
 This subclass is indented under the class definition.  Subject matter relating to firepots and linings.

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152+,for grates.

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110Furnaces,   subclasses 317+ for solid fuel furnace firebox structure.
  
[List of Patents for class 126 subclass 145]    145Adjustable:
 This subclass is indented under subclass 144.  Subject matter adapted to be adjusted so as to fit stoves of various sizes; includes linings that are provided with breakable grooves.
  
[List of Patents for class 126 subclass 146]    146Feeding air:
 This subclass is indented under subclass 144.  Subject matter provided with air-feeding means.

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15,77 and 112, for similar air feeding means.
  
[List of Patents for class 126 subclass 147]    147Divided:
 This subclass is indented under subclass 144.  Subject matter that is provided with means to divide them or adjust the fuel capacity of the fire-pot.

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25+,for summer cooking stoves.
154,for vertically adjustable grates.
  
[List of Patents for class 126 subclass 148]    148Fire plate:
 This subclass is indented under subclass 144.  Subject matter that is provided with plates to limit or confine the fuel-space, and thereby regulate the combustion.
  
[List of Patents for class 126 subclass 149]    149Horizontal axis:
 This subclass is indented under the unnumbered subclass, Rotary.  Subject matter relating to fire boxes adapted to inclose the fuel, whereby the fire box can be given a complete rotation on a horizontal axis.

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181,for horizontal axis rotary grates.
  
[List of Patents for class 126 subclass 150]    150Vertical axis:
 This subclass is indented under the unnumbered subclass, Rotary.  Subject matter relating to firepots that are provided with means for imparting to the fire-pot a complete rotation on a vertical axis.

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170,for vertical axis oscillatory grates.
  
[List of Patents for class 126 subclass 151]    151Sectional:
 This subclass is indented under subclass 144.  Subject matter composed of sections.

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145,for adjustable firepots.
  
[List of Patents for class 126 subclass 152]    152GRATES:
 This subclass is indented under the class definition.  Subject matter relating to furnace, stove and range grates that do not fall under more specific subclasses, and not specifically classified in other classes. Includes all grate structures, per se, that are of general application to furnaces and stoves.
(1) Note. For grates that are adapted to specific application of the heat of combustion, search should be made in the class including such applications.

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110Furnaces,   subclasses 267+ for progressive feed grates, and subclass 298 for hollow air-cooled grates.
122Liquid Heaters and Vaporizers,   subclasses 371+ , and the subclasses referred to in the notes thereunder, for water grates.
241Solid Material Comminution or Disintegration,   appropriate subclasses, especially subclasses 198.1+ , for similar structures functioning as comminutors but which have no burning charge or fuel supporting function.
  
[List of Patents for class 126 subclass 153]    153Adjustable:
 This subclass is indented under subclass 152.  Devices adapted to fit different-sized firepots.

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144,for fire pots and linings.

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110Furnaces,   subclass 320 for adjustable fire box furnace structure.
  
[List of Patents for class 126 subclass 154]    154Vertically:
 This subclass is indented under subclass 153.  Devices adapted to vertical adjustment.

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159,for pocket agitating grates.
  
[List of Patents for class 126 subclass 155]    155Agitating:
 This subclass is indented under subclass 152.  Devices adapted to be shaken or agitated for the clearance of ashes.
  
[List of Patents for class 126 subclass 156]    156Alternate ends:
 This subclass is indented under subclass 155.  Devices that are provided with means for imparting vibrating or rocking motion in opposite directions to adjacent grate-bars.
  
[List of Patents for class 126 subclass 157]    157Alternate bar:
 This subclass is indented under subclass 155.  Devices that are constructed with alternate immovable and movable grate-bars and means for imparting vertical motion to the alternate movable bars.

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173,for raking attachments.
  
[List of Patents for class 126 subclass 158]    158Dumping:
 This subclass is indented under subclass 155.  Devices that are provided with dumping means or sections.

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162,for other dumping grates.
  
[List of Patents for class 126 subclass 159]    159Pocket:
 This subclass is indented under subclass 155.  Devices that are provided with means for giving a varying depth to the fuel over the grate-surface. The means employed are usually pockets or depressions in the grate surface.

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154,for vertically adjustable grates.
  
[List of Patents for class 126 subclass 160]    160Closures:
 This subclass is indented under subclass 152.  Devices provided with means for regulating the grate-openings, whereby the draft may be full, reduced, or closed.
  
[List of Patents for class 126 subclass 161]    161Cut-off:
 This subclass is indented under subclass 152.  Devices provided with means closely related to the grate structure for retaining a portion of the fuel in the fire-pot, thus permitting the removal of the bottom portion or ash.

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110Furnaces,   subclasses 117 and 118 for similar furnace fuel feeders.
  
[List of Patents for class 126 subclass 162]    162Dumping:
 This subclass is indented under subclass 152.  Devices that are provided with special dumping means.

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110Furnaces,   subclasses 268 through 285for a furnace provided with a movable grate.
  
[List of Patents for class 126 subclass 163]    163Feeding air:
 This subclass is indented under subclass 152.  Devices provided with air feeding features.

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110Furnaces,   subclasses 182 , 270+ and 288 for similar furnace air feeding structure.
  
[List of Patents for class 126 subclass 166]    166Fuel cut-off:
 This subclass is indented under subclass 152.  Devices that are designed to be passed through or inserted in the fuel above the grate in order to sustain the main body of the fuel, and thus permit the removal of ashes and cinders. These devices are independent of the fuel-support or grate.

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161,for cut off grates.
  
[List of Patents for class 126 subclass 167]    167Grate bar:
 This subclass is indented under subclass 152.  Subject matter relating to the form of the bar. These bars are known as stationary or immovable.

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179,for this structure in a rocking bar grate.
  
[List of Patents for class 126 subclass 168]    168Removable fuel support:
 This subclass is indented under subclass 167.  Devices that are provided with removable fuel-supporting devices.
  
[List of Patents for class 126 subclass 169]    169Operating mechanism:
 This subclass is indented under subclass 152.  Devices designed for the operation or moving of the grates and grate-bar structures in general.

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110Furnaces,   subclasses 268 through 285for a furnace provided with a movable grate; and subclasses 328-330 for movable grate structure, per se.
  
[List of Patents for class 126 subclass 170]    170Vertical axis:
 This subclass is indented under the unnumbered subclass, OSCILLATORY.  Devices arranged horizontally on a vertical axis and adapted to be given a to-and-fro motion. These structures are sometimes termed "rotary".
  
[List of Patents for class 126 subclass 171]    171Dumping section:
 This subclass is indented under subclass 170.  Devices that are provided with a pivoted dumping section or sections.
  
[List of Patents for class 126 subclass 172]    172Sliding section:
 This subclass is indented under subclass 170.  Devices that are provided with a sliding ash-discharge section.
  
[List of Patents for class 126 subclass 173]    173Raking attachments:
 This subclass is indented under subclass 152.  Subject matter relating to attachments to grates designed to rake and free the grate from ashes and clinkers. As a rule these devices are inseparable from the grate structure.

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48Gas: Heating and Illuminating,   subclass 85.2 for cupola gas generators with fuel stirrers.
110Furnaces,   subclass 285 for a solid fuel furnace provided with a raking grate.
  
[List of Patents for class 126 subclass 174]    174Reciprocating:
 This subclass is indented under subclass 152.  Devices designed to be given a horizontal to-and-fro end movement, as distinguished from the oscillatory or rotary type.

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110Furnaces,   subclasses 281+ for solid fuel furnaces provided with reciprocating grates; and subclass 328 for movable grate structure, per se.
  
[List of Patents for class 126 subclass 175]    175Alternate bar:
 This subclass is indented under subclass 174.  Devices where the alternate bars are given an opposite to-and-fro end movement or where the bars are moved in reverse horizontal direction.
  
[List of Patents for class 126 subclass 176]    176Rocking bar:
 This subclass is indented under subclass 152.  Devices in which the grates and grate bars are horizontally-pivoted and are provided with means for giving them a to-and-fro or rocking motion, but not adapted to be given a complete rotation or revolution.

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110Furnaces,   subclass 278 for a solid fuel furnace provided with a rocking grate; and subclass 328 for movable grate structure, per se.
  
[List of Patents for class 126 subclass 177]    177Dumping:
 This subclass is indented under subclass 176.  Devices that are provided with dumping means or dumping-sections.
  
[List of Patents for class 126 subclass 178]    178Duplex:
 This subclass is indented under subclass 176.  Devices where different fuel-supporting faces may be employed; includes grates designed for the burning of coal or wood combining coal and wood bearing faces.

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181,for horizontal axis rotary grates.
  
[List of Patents for class 126 subclass 179]    179Grate bar:
 This subclass is indented under subclass 176.  Subject matter relating to the form or character of the rocking bar.

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167+,for other grate bars.

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110Furnaces,   subclass 278 for a solid fuel furnace provided with a rocking grate; and subclass 328 for movable grate structure, per se.
  
[List of Patents for class 126 subclass 180]    180Removing fuel support:
 This subclass is indented under subclass 179.  Devices provided with removable fuel-bearing faces.
  
[List of Patents for class 126 subclass 181]    181Horizontal axis:
 This subclass is indented under the unnumbered subclass, Rotary.  Devices that are horizontally pivoted and are structurally adapted to be given a complete rotary motion; also, means for imparting this motion.

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176,for rocking bar grates.

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110Furnaces,   subclass 226 for an incinerator provided with preliminary refuse dryer in the form of a rotary drum; subclass 246 for an incinerator in the form of a rotary drum; and subclass 276 for a solid fuel furnace provided with a horizontal rotary grate.
  
[List of Patents for class 126 subclass 182]    182Vertical axis:
 This subclass is indented under the unnumbered subclass, Rotary.  Devices that are horizontally arranged, mounted upon a vertical pivot, and means for imparting to the grate a full and complete revolution upon its axis or pivot.

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150,for vertical axis rotary fire pots and linings.
170+,for vertical axis oscillatory grates.

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110Furnaces,   subclass 247 for an incinerator in the form of a vertical axially mounted rotary grate; and subclasses 275 and 277 for a solid fuel furnace provided with a vertically mounted rotary grate.
  
[List of Patents for class 126 subclass 190]    190STOVE DOORS AND WINDOWS:
 This subclass is indented under the class definition.  Subject matter relating to stove doors and windows applicable to heating and cooking stoves.

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49Movable or Removable Closures,   appropriate subclasses for closures of the type provided for and see the search notes thereto in section IV of Class 49 for the loci of closures in other classes.
110Furnaces,   subclasses 173+ for furnace doors.
374Thermal Measuring and Testing,   subclass 149 for stove doors or windows combined with and modified to receive thermometers, and wherein no more of the door or window is claimed than is necessary to provide a locus or support for the thermometer.
  
[List of Patents for class 126 subclass 191]    191Balanced:
 This subclass is indented under subclass 190.  Devices that are provided with weights or springs designed to aid in opening or closing the door; also, to prevent the sudden closing of the door.
  
[List of Patents for class 126 subclass 192]    192Door-operator:
 This subclass is indented under subclass 190.  Devices provided with door opening or closing devices. Devices known in the art as "kicker-latches".

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49Movable or Removable Closures,   subclasses 324+ for other closure operators.
  
[List of Patents for class 126 subclass 193]    193Feeding air:
 This subclass is indented under subclass 190.  Devices designed to admit a current of air into the combustion chamber above the fuel-level. In some instances the object sought is to prevent the blackening of the transparent door-panel.

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163,for air feeding grates.
  
[List of Patents for class 126 subclass 194]    194Hinges:
 This subclass is indented under subclass 190.  Subject matter relating to hinges that are peculiarly applicable to domestic stoves and furnaces.

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16Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, etc.),   subclasses 221 through 392for other hinges.
  
[List of Patents for class 126 subclass 197]    197Combined latch and operator:
 This subclass is indented under the unnumbered subclass, Latches.  Subject matter, including a latch and an operator.
  
[List of Patents for class 126 subclass 198]    198Oven doors, ventilating:
 This subclass is indented under subclass 190.  Devices comprising oven-doors provided with means for ingress and egress of air.

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193,for feeding air features in other doors.
  
[List of Patents for class 126 subclass 200]    200Transparent panel:
 This subclass is indented under subclass 190.  Devices that have a glass or mica panel therein.
(1) Note. This subclass does not include illuminating devices in bakers" ovens and similar devices, or what is known in the art as "peep-holes".

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193,for feeding air-doors. 213, for illuminating stove tops.

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99Foods and Beverages: Apparatus,   subclass 341 for food cooking apparatus combined with observation means.
220Receptacles,   subclasses 662 through 665,and see the notes thereto, for structures wherein a transparent panel is mounted in a wall.
362Illumination,   subclasses 92+ for oven illuminating means.
  
[List of Patents for class 126 subclass 201]    201FENDERS:
 This subclass is indented under the class definition.  Subject matter relating to guards and protectors. Includes stove foot rails or guards.

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298,for fire dogs.
  
[List of Patents for class 126 subclass 204]    204BODY WARMERS:
 This subclass is indented under the class definition.  Subject matter relating to body, hand and foot warmers.

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263.01+,for chemical or lime heaters.

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36Boots, Shoes, and Leggings,   subclass 2.6 for boots, or shoes having heating means designed to warm the foot.
165Heat Exchange,   subclass 46 for a flexible envelope or cover type of heat exchanger.
215Bottles and Jars,   appropriate subclasses, for receptacles of glass, ceramic or similar material for retaining and heating or cooling medium.
219Electric Heating,   subclass 211 for electrically heated devices for applying heat to the body.
220Receptacles,   subclass 577 for a rigid heat transfer container.
383Flexible Bags,   subclass 901 for bags of flexible materials known in the art as hot-water and ice bags.
  
[List of Patents for class 126 subclass 205]    205Bed heaters:
 This subclass is indented under subclass 204.  Body warmers adapted for heating beds, and analogous devices.

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4Baths, Closets, Sinks, and Spittoons,   subclasses 529+ for vapor and hot air baths which accommodate the user in a recumbent position.
5Beds,   subclass 284 for bedsteads with heating or cooling means, subclasses 421+ for heating means, and subclass 422 for heating a waterbed mattress.
  
[List of Patents for class 126 subclass 206]    206Composition fuel:
 This subclass is indented under subclass 204.  Body warmers structurally adapted to burn composition fuel, notably what is known in the art as "Japanese punk".
  
[List of Patents for class 126 subclass 207]    207Heated block:
 This subclass is indented under subclass 204.  Body warmers structurally adapted to be heated by a hot blank, such as iron, soapstone, and similar substances.

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246,for dish heaters.
400,for heat accumulator blocks, per se.
  
[List of Patents for class 126 subclass 208]    208Liquid or gaseous fuel:
 This subclass is indented under subclass 204.  Body warmers structurally adapted for the burning of liquid or gaseous fuel.

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122Liquid Heaters and Vaporizers,   subclass 26 for friction generators.
  
[List of Patents for class 126 subclass 209]    209Combined heater and lantern:
 This subclass is indented under subclass 208.  Devices adapted to be employed both as heater and lantern.
(1) Note. This is a combined subclass, and the detail features of both heater and lantern should be searched for in appropriate classes and subclasses.

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267,for combined lunch bucket and lantern burning liquid or gaseous fuel.
  
[List of Patents for class 126 subclass 210]    210Water heater:
 This subclass is indented under subclass 208.  Devices that are structurally related to or are combined with water heating devices.

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237Heating Systems,   subclass 12.3 for vehicle heating systems.
  
[List of Patents for class 126 subclass 211]    211STOVE LIDS AND TOPS:
 This subclass is indented under the class definition.  Subject matter relating to improvements on the top plate of stoves.

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227,and 230, for flatiron heaters.
338,for a rotary oven, shelf or rack.

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219Electric Heating,   subclasses 452.11+ for an exposed planar support surface for material to be heated (e.g., hot plate, etc.) for a particular frame, casing or housing for a heating unit (e.g., range top, stove top, countertop, etc.).
  
[List of Patents for class 126 subclass 212]    212Centers or cross pieces:
 This subclass is indented under subclass 211.  Subject matter relating to improvements on stove centers or cross-pieces, generally employed in cooking-stoves.
  
[List of Patents for class 126 subclass 213]    213Illuminating:
 This subclass is indented under subclass 211.  Subject matter relating to illuminating and heat-reflecting devices placed on or secured to the top portion of a stove.

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200,for stove doors with a transparent panel.
  
[List of Patents for class 126 subclass 214]    214Liquid or gaseous fuel:
 This subclass is indented under subclass 211.  Subject matter which are peculiarly adapted to the burning of liquid or gaseous fuel.
  
[List of Patents for class 126 subclass 215]    215Elevating support:
 This subclass is indented under subclass 214.  Devices designed to be placed on the stove top for supporting the ordinary kitchen utensil or article spaced from the top.

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50,for other utensil supports.
  
[List of Patents for class 126 subclass 216]    216Extension top:
 This subclass is indented under subclass 214.  Subject matter in which the tops are designed to have an enlarged working surface. In most instances they are adapted to utilize the heat from a single burner.

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46,for extension tops on liquid fuel wick-type cooking stoves.
  
[List of Patents for class 126 subclass 217]    217Heating stove:
 This subclass is indented under subclass 211.  Subject matter relating to heating stoves. As a rule they relate to the means for opening or closing the magazine feed-opening.

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335,for door operated drop shelves for stoves.
  
[List of Patents for class 126 subclass 218]    218Cooking attachments:
 This subclass is indented under subclass 217.  Heating-stove tops that are provided with means to adapt them to be employed in cooking.
  
[List of Patents for class 126 subclass 219]    219Ornaments and urns:
 This subclass is indented under subclass 217.  Subject matter pertaining to top ornaments and urns.
  
[List of Patents for class 126 subclass 220]    220Lids:
 This subclass is indented under subclass 211.  Subject matter relating to improvements in the lids.

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227+,and 230, for attachments for heating flatirons.
  
[List of Patents for class 126 subclass 221]    221Stove mats:
 This subclass is indented under subclass 211.  Subject matter relating to mats designed to be placed upon the stove-top, usually formed of asbestos and metal, or asbestos having metal-bound edges.
  
[List of Patents for class 126 subclass 222]    222Cooking stoves:
 This subclass is indented under the unnumbered subclass, TRASH BURNERS.  Subject matter relating to cooking-stoves adapted for the burning of straw, hay, sawdust, and similar material as fuel.

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110Furnaces,   subclasses 196 and 197 for furnaces employing straw as a fuel, and fuel feeders therefor.
  
[List of Patents for class 126 subclass 223]    223Feeding attachments:
 This subclass is indented under subclass 222.  Subject matter relating to the fuel feeding attachments, usually of magazine form.

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11,for portable coal magazines for cooking stoves.
  
[List of Patents for class 126 subclass 224]    224Domestic-refuse burners:
 This subclass is indented under the unnumbered subclass, TRASH BURNERS.  Subject matter relating to refuse or "garbage" burner attachments structurally related to the cooking or heating stove art.

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11,for portable magazines for cooking stoves.

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110Furnaces,   subclasses 235+ for a refuse incinerator not structurally related to cooking or heating stoves.
  
[List of Patents for class 126 subclass 225]    225Heating stoves:
 This subclass is indented under the unnumbered subclass, TRASH BURNERS.  Subject matter relating to heating-stoves structurally adapted for the burning of hay, straw, sawdust and similar material.

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110Furnaces,   subclasses 196 and 197 for furnaces employing straw as a fuel, and fuel feeders therefor.
  
[List of Patents for class 126 subclass 226]    226TOOL HEATERS:
 This subclass is indented under the class definition.  Subject matter designed for the heating of various types of tools.
  
[List of Patents for class 126 subclass 227]    227Flatiron:
 This subclass is indented under subclass 226.  Subject matter specially designed for the heating of flatirons or "sadirons".

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25,for portable cooking stoves.

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38Textiles: Ironing or Smoothing,   subclasses 74+ for sadirons and flatirons.
  
[List of Patents for class 126 subclass 228]    228Attachments:
 This subclass is indented under subclass 227.  Devices relating to portable or independent heating devices structurally designed to be employed in connection with stove structures.

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211+,for stove lids and tops.
505,for shelves adapted to fireplace grates.
540+,for fireplace grates.
  
[List of Patents for class 126 subclass 229]    229Liquid or gaseous fuel:
 This subclass is indented under subclass 226.  Devices adapted to the burning of gaseous or liquid fuel.
  
[List of Patents for class 126 subclass 230]    230Flatiron:
 This subclass is indented under subclass 229.  Devices specially designed for the heating of flatirons or "sadirons".

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227,for other flatiron heaters.
  
[List of Patents for class 126 subclass 231]    231Gas burner attachments:
 This subclass is indented under subclass 229.  Devices designed to be attached to gas-brackets. This subclass includes mainly curling iron heaters.

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235,for tool heating devices adapted to be attached to lamps.
  
[List of Patents for class 126 subclass 232]    232Combined lighting and heating:
 This subclass is indented under subclass 231.  Devices in which the heating-burner is supplied with gas through the medium of a bypass without affecting the operation of the lighting burner. As a rule one may be employed to the exclusion of the other, or both at one and the same time.

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254,for heating and lighting burners used in connection with a gas bracket attachment.

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239Fluid Sprinkling, Spraying, and Diffusing,   subclasses 390+ for a fluid distributor having plural interchangeable discharge modifiers, outlet arrangements or coupling means, and subclasses 436+ for a fluid distributor having selectively usable or variable diverse terminal outlets, even though the distributor may be disclosed as a burner.
  
[List of Patents for class 126 subclass 233]    233Jet mixer:
 This subclass is indented under subclass 231.  Devices provided with specific gas and air mixing means whereby the illuminating-flame is converted into a heating-flame.
  
[List of Patents for class 126 subclass 234]    234Tool-controlled valve:
 This subclass is indented under subclass 231.  Devices provided with tool controlled valve mechanism.

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52,for article controlled valve mechanism.
238,for soldering iron controlled valve mechanism.
  
[List of Patents for class 126 subclass 235]    235Lamp attachments:
 This subclass is indented under subclass 229.  Devices designed to be attached to lamps, but mainly the lamp chimney. In this subclass will be found curling iron heaters.

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231,for gas burner attachments.
  
[List of Patents for class 126 subclass 236]    236Soldering iron:
 This subclass is indented under subclass 226.  Devices that are portable in character and provided with special means for retaining a soldering iron in the furnace.

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25,for portable cooking stoves.
  
[List of Patents for class 126 subclass 237]    237Gas heaters:
 This subclass is indented under subclass 236.  Devices heated by gaseous fuel.
  
[List of Patents for class 126 subclass 238]    238Tool-controlled valve:
 This subclass is indented under subclass 237.  Devices provided with special forms of automatic gas supply and cut-off devices.

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52,for article controlled valve mechanism.
234,for other tool controlled valve mechanism.
  
[List of Patents for class 126 subclass 239]    239Liquid fuel:
 This subclass is indented under subclass 236.  Devices heated by liquid fuel.
  
[List of Patents for class 126 subclass 240]    240Combined heater and solder pot:
 This subclass is indented under subclass 239.  Devices designed for the combined heating of soldering irons and the melting or solder pot.
  
[List of Patents for class 126 subclass 241]    241Lamp:
 This subclass is indented under subclass 239.  Devices in which the heating means employed is a lamp.
  
[List of Patents for class 126 subclass 242]    242ASH DISCHARGE AND COLLECTING:
 This subclass is indented under the class definition.  Subject matter designed for the handy removal and collection of ashes from domestic stoves and furnaces. In most instances the devices have direct connection with the stove ash-pit and are in the form of chutes leading to receptacles and provided with gravity-traps. The chutes may also be provided with screens for separating the cinders from the ashes. Includes also receptacles and ash-pit-attaching means and means for removing ashes from the pit into the receptacle.

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110Furnaces,   subclasses 165+ for ash receiving and handling devices of that class.
193Conveyors, Chutes, Skids, Guides, and Ways,   subclass 34 for vertical wall chutes.
209Classifying, Separating, and Assorting Solids,   subclasses 233+ for sifters.
220Receptacles,   appropriate subclasses for containers of more general utility.
  
[List of Patents for class 126 subclass 243]    243Ash pans:
 This subclass is indented under subclass 242.  Devices employed in stove or furnace ashpits.

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110Furnaces,   subclass 166 for other ashpans.
  
[List of Patents for class 126 subclass 244]    244Sifting:
 This subclass is indented under subclass 243.  Devices provided with sifting means.

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209Classifying, Separating, and Assorting Solids,   particularly subclasses 376 and 377 for other sifters.
  
[List of Patents for class 126 subclass 245]    245Combined stove and ash pan:
 This subclass is indented under subclass 242.  Devices that include some special feature of stove structure which cooperates with the pan to produce the intended result.
  
[List of Patents for class 126 subclass 246]    246Dish:
 This subclass is indented under the unnumbered subclass, HEATERS.  Heaters for warming dishes or other articles or for keeping warm food-containing vessels after removal from the stove and in which a heat-retaining substance, either liquid or solid, adapted to be preheated is employed.

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33,for steam tables.
207,for block heated body warmers.
262,for combined lunch can and heater.
400,for heat accumulator blocks, per se.
  
[List of Patents for class 126 subclass 247]    247Frictional:
 This subclass is indented under the unnumbered subclass, HEATERS.  Heaters designed to generate heat by friction.
  
[List of Patents for class 126 subclass 248]    248Drum:
 This subclass is indented under the unnumbered subclass, Attachments.  Subject matter relating to drum attachments adapted for use with heating or illuminating burners.

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97,for heating and illuminating liquid fuel stoves.
  
[List of Patents for class 126 subclass 249]    249Gas jet:
 This subclass is indented under the unnumbered subclass, Attachments.  Subject matter relating to attachments in the form of brackets or supports not directly supported by a gas-bracket designed to sustain articles over a flame.

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248Supports,   appropriate subclasses for mere supports and brackets not limited by structure to use in supporting articles over a flame, even though disclosed as for supporting an article over a flame.
362Illumination,   subclasses 453+ for combined socket attached shade and bowl supports.
  
[List of Patents for class 126 subclass 250]    250Air:
 This subclass is indented under subclass 249.  Devices relating to air heating attachments adapted for use with the ordinary house gas-bracket.

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248,for drum attachments.
  
[List of Patents for class 126 subclass 251]    251Jet mixer:
 This subclass is indented under subclass 250.  Devices provided with means for mixing gas and air in advance of the flame-point.
  
[List of Patents for class 126 subclass 252]    252Article support:
 This subclass is indented under subclass 249.  Devices directly attached or connected to the ordinary gas-bracket.
  
[List of Patents for class 126 subclass 253]    253Jet mixer:
 This subclass is indented under subclass 252.  Devices provided with means for mixing gas and air in advance of the flame-point.

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233,and 251, for other jet mixers.
  
[List of Patents for class 126 subclass 254]    254Combined:
 This subclass is indented under subclass 249.  Devices relating to combined heating or lighting burners which are so related that they can be used jointly or separately.

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232,for other combined lighting and heating.

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239Fluid Sprinkling, Spraying, and Diffusing,   subclasses 390+ for a fluid distributor having plural interchangeable discharge modifiers, outlet arrangements or coupling means, and subclasses 436+ for a fluid distributor having selectively usable or variable diverse terminal outlets, even though the distributor may be disclosed as a burner.
  
[List of Patents for class 126 subclass 255]    255Lamp:
 This subclass is indented under the unnumbered subclass, Attachments.  Subject matter relating to attachments designed for use with lamp or wick burners.
  
[List of Patents for class 126 subclass 256]    256Article support:
 This subclass is indented under subclass 255.  Devices relating to article supporting attachments that are supported upon the lamp-body independent of the lamp-chimney.

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248Supports,   appropriate subclasses for mere supports and brackets not limited by structure to use with a lamp.
  
[List of Patents for class 126 subclass 257]    257Air:
 This subclass is indented under the unnumbered subclass, Chimney heaters.  Devices relating to air-heaters, usually of drum form, specially applicable to lamp-chimneys.

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248,for drum heater attachments.
  
[List of Patents for class 126 subclass 258]    258Article support:
 This subclass is indented under the unnumbered subclass, Chimney heaters.  Devices relating to article supporting brackets that are specially designed to be supported upon lamp-chimneys.

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235,for other lamp attachments.
  
[List of Patents for class 126 subclass 259]    259Air heaters:
 This subclass is indented under the unnumbered subclass, Stands.  Devices relating to air or drum heaters that are supported by stands, over and independent of the lamp structure.
  
[List of Patents for class 126 subclass 260]    260Article support:
 This subclass is indented under the unnumbered subclass, Stands.  Devices relating to article supporting stands that are employed in connection with lamp-heaters, and they are independent of the form or character of the heater.

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248Supports,   subclasses 127+ for stands not limited by structure to the above, even though disclosed as for use in supporting articles over a lamp.
  
[List of Patents for class 126 subclass 261]    261Lunch:
 This subclass is indented under the unnumbered subclass, HEATERS.  Heaters designed for warming and keeping warm articles of food. Includes nursery or hot-water bags provided with bottle receptacles or pockets combined with heating means.

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383Flexible Bags,   subclass 901 for hot water bags.
  
[List of Patents for class 126 subclass 262]    262Combined can and heater:
 This subclass is indented under subclass 261.  Devices relating to closed receptacles containing food products that are provided with permanently attached heaters.
  
[List of Patents for class 126 subclass 263.01]    263.01Chemical:
 This subclass is indented under the unnumbered subclass, HEATERS.  Subject matter comprising an apparatus for applying heat resulting from a first substance being brought into contact with a second substance, thereby, generates a chemical reaction which produces heat without producing a flame.

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204+,for body warmers, the containers of which are of particular configuration or structure for adaptation to the body.

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44Fuel and Related Compositions,   subclasses 250+ for flammables or glowless fuel compositions, per se, and in containers used for packaging or transportation only and subclasses 901+ for a collection of patents having heating means combined with exemplary material to be heated.
62Refrigeration,   subclass 4 for means using a chemical reaction to produce a refrigeration effect.
122Liquid Heaters and Vaporizers,   subclass 21 for boilers having chemical heaters.
132Toilet,   subclass 220 for hair curlers including chemical heaters.
149Explosive and Thermic Compositions or Charges,   appropriate subclasses for explosive compositions and particularly subclasses 37+ for compositions containing a metallic fuel and an oxygen supplying compound.
166Wells,   subclass 58 for a chemical heater adapted for use in a well.
228Metal Fusion Bonding,   subclasses 56.1+ for a single or plural layer metal article useful as a filler material in a metal fusion bonding operation combined with a thermic segment.
252Compositions,   subclass 70 for reversibly exothermic-endothermic compositions, per se, and in containers used for packaging or transportation only.
426Food or Edible Material: Processes, Compositions, and Products,   subclasses 113+ for a package of food combined with means to heat the food.
  
[List of Patents for class 126 subclass 263.02]    263.02Oxidation with air:
 This subclass is indented under subclass 263.01.  Subject matter wherein the first substance is brought into contact with oxygen of the atmosphere, thereby, generating the chemical reaction which produces heat without producing the flame.
  
[List of Patents for class 126 subclass 263.03]    263.03Crystallization of supercooled liquid:
 This subclass is indented under subclass 263.01.  Subject matter wherein the first substance is in a liquid state and when it is cooled below its freezing temperature and the second substance is brought into contact with it, the first substance changes to crystals.
  
[List of Patents for class 126 subclass 263.04]    263.04By escape of reactant from container within liquid:
 This subclass is indented under subclass 263.03.  Subject matter wherein the second substance is located within a container and the crystallization is caused by the second substance escaping from the container into the liquid while the container is located within the liquid.
  
[List of Patents for class 126 subclass 263.05]    263.05Liquid in contact with solid (e.g., water and lime):
 This subclass is indented under subclass 263.01.  Subject matter wherein the first substance which is in a liquid state such as water brought into contact with the second substance which is a solid-state such as lime, thereby, generating the chemical reaction which produces heat without producing the flame.
  
[List of Patents for class 126 subclass 263.06]    263.06Including separate solid and liquid compartments:
 This subclass is indented under subclass 263.05.  Subject matter wherein the liquid substance and the solid substance are kept in separate containers.
  
[List of Patents for class 126 subclass 263.07]    263.07Flexible wall compartment (e.g., flexible plastic bag):
 This subclass is indented under subclass 263.06.  Subject matter wherein a portion of an outer wall of one of the containers for the solid and the liquid substances is made of a pliable material.
  
[List of Patents for class 126 subclass 263.08]    263.08Including means to rupture or open solid or liquid compartment:
 This subclass is indented under subclass 263.07.  Subject matter wherein one of the containers includes a device which is capable of piercing or opening the outer wall of the container so as to bring the solid substance into contact with the liquid substance to generate a chemical reaction.
(1) Note. This subclass is intended to include means other than merely a characteristic of the flexible material which can cause rupture or opening of the container. The container merely having a weakened area of the flexible material which is joined with glue or such similar material is not included in this subclass.

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263.09,for means to rupture or open a compartment of a solid or liquid substance.
  
[List of Patents for class 126 subclass 263.09]    263.09Including means to rupture or open solid or liquid compartment:
 This subclass is indented under subclass 263.06.  Subject matter wherein one of the containers includes a device which is capable of piercing or opening an outer wall of one of the containers so as to bring the solid substance into contact with the liquid substance.

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263.08,for means to rupture or open a compartment having a flexible wall.
  
[List of Patents for class 126 subclass 263.1]    263.1Including time release coating on solid in contact with liquid:
 This subclass is indented under subclass 263.06.  Subject matter wherein the solid substance includes a covering made of material which when brought into contact with the liquid substance slows down a rate of penetration of the liquid substance into the solid substance, thereby, prolonging a duration of release of heat.
  
[List of Patents for class 126 subclass 265]    265Liquid or gaseous fuel:
 This subclass is indented under subclass 261.  Devices employing liquid or gaseous fuel as the heating medium.
  
[List of Patents for class 126 subclass 266]    266Dinner buckets:
 This subclass is indented under subclass 265.  Devices known as dinner pail or buckets.
  
[List of Patents for class 126 subclass 267]    267Combined bucket and lantern:
 This subclass is indented under subclass 266.  Devices structurally adapted to be employed as lanterns.

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209,for liquid or gaseous fuel burning body warmers adapted to be employed both as heater and lantern.

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362Illumination,   appropriate subclasses for other combined light and structure devices.
  
[List of Patents for class 126 subclass 268]    268Wagon:
 This subclass is indented under subclass 261.  Devices relating to vehicles, sometimes designated "caterers’ wagons", designed to keep food at a predetermined temperature while conveying the same to customers or dining room.

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276,for ovens adapted to be mounted on wheeled structures.
  
[List of Patents for class 126 subclass 269]    269Powder:
 This subclass is indented under the unnumbered subclass, HEATERS.  Devices specially adapted for the thawing of explosives, such as powder, dynamite, etc.

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284,for glue pots.
377.1through 392.1, for an open-top liquid heating vessel that may include a lid having a confining, directing, or shielding feature for a liquid or steam used to heat the vessel.

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220Receptacles,   subclasses 573 .4 and 573.5 for double boiler-type receptacles.
  
[List of Patents for class 126 subclass 271.1]    271.1Surface:
 This subclass is indented under the unnumbered subclass, HEATERS.  Miscellaneous devices for applying heat to surfaces and generally adapted to be moved over the surface. Includes devices for heating surfaces by steam, that either comes in contact with the surface to be heated or is applied by a radiator. Includes devices for thawing frozen earth in placer mining, melting snow and ice, burning weeds or stubble, heating ground for cultivation, and solid fuel paint breamers.

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37Excavating,   subclasses 227+ for devices for excavating and melting the excavated snow.
43Fishing, Trapping, and Vermin Destroying,   subclass 144 for surface heaters having added features for seeking out insects for destruction, and even though additionally disclosed as weed burners.
239Fluid Sprinkling, Spraying, and Diffusing,   subclasses 128+ and 146+ for wheeled carts having a heating means and a nozzle structure for discharging steam or a heated fluid, and see the class definition of Class 239, section III (h), for the line between Classes 126 and 239.
404Road Structure, Process, or Apparatus,   subclass 77 for a process of in situ heating of earth or road surface, subclasses 79+, a process of heating earth or road surface and subclass 95 for means to heat earth or road surface.
  
[List of Patents for class 126 subclass 271.2]    271.2Fluid fuel:
 This subclass is indented under subclass 271.1.  Devices for applying the products of combustion of fluid fuel, hot air heated by fluid fuel, steam in combination with either the products of combustion or hot air.

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431Combustion,   subclass 344 for a flame holder-fuel tank assembly not particularly adapted for heating a surface (e.g., gasoline blow torch, etc.) and subclass 345 for a flame holder having an attached handle.
  
[List of Patents for class 126 subclass 271.3]    271.3Solid fuel:
 This subclass is indented under subclass 271.1.  Devices for applying the products of combustion of solid fuel or the radiant heat thereof, of hot air, or steam in combination with products of combustion or hot air.
  
[List of Patents for class 126 subclass 273]    273Domestic:
 This subclass is indented under the unnumbered subclass, OVENS.  Devices comprising ovens of the household type that do not fall under more specific classes and subclasses.

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3,4, 9, 19, 19.5, 198, 218, 337, and 506, for other devices including oven structure.

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219Electric Heating,   subclass 391 for electrically heated ovens.
  
[List of Patents for class 126 subclass 273.5]    273.5With heat accumulator, e.g., fireless:
 This subclass is indented under subclass 273.  Ovens provided with means to store or retain a substantial quantity of heat to be given up to the contents of the oven over an extended period of time. So called "Fireless Cookers" are here classified. The oven is frequently heat insulated to conserve heat.

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207,for heated block type of body warmer.
375.1,for an open-top liquid heating vessel that may include a lid having a heat accumulator.
400,for heat accumulator blocks, per se.

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220Receptacles,   subclasses 560.12+ , 592.01+, and 903 for insulated vessels in general.
  
[List of Patents for class 126 subclass 274]    274Dutch:
 This subclass is indented under subclass 273.  Domestic ovens, portable in character, having an open side and adapted to receive radiated heat from an open fireplace or stove.
  
[List of Patents for class 126 subclass 275]    275Portable:
 This subclass is indented under subclass 273.  Domestic ovens structurally independent of stove structure and designed to be placed upon stove-surfaces. This subclass includes those devices that are known in the trade as portable gas and vapor stove ovens.

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369through 369.3, for a steam chamber for food that may include a chamber placed over a steam generator.
  
[List of Patents for class 126 subclass 276]    276Wagon:
 This subclass is indented under the unnumbered subclass, OVENS.  Ovens specially adapted to be mounted upon wheeled structures. These devices are usually termed traveling kitchens.

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268,for vehicles, for keeping food warm while conveying same to customers or dining room.
  
[List of Patents for class 126 subclass 277]    277PLATFORMS:
 This subclass is indented under the class definition.  Devices, usually platforms, designed to support stove-bodies. The platform may be provided with means for sustaining it in an elevated position.

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55,and 305, for other structures for supporting stoves.
  
[List of Patents for class 126 subclass 278]    278Stove boards:
 This subclass is indented under subclass 277.  Platforms designed to rest flat upon the floor-surface and to protect the floor from the heat of a stove resting thereon.
  
[List of Patents for class 126 subclass 279]    279Ventilating:
 This subclass is indented under subclass 278.  Devices so constructed as to allow for a free circulation of air beneath or through them.

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500+,for fireplace bases or hearths having air feeding or ventilating features therein.
  
[List of Patents for class 126 subclass 280]    280SOOT CATCHERS:
 This subclass is indented under the class definition.  Devices comprising receptacles designed to be so placed or suspended that they will catch or receive the soot falling from stovepipe or chimney openings.
  
[List of Patents for class 126 subclass 281]    281DOUGH RAISERS:
 This subclass is indented under the class definition.  Devices comprising pans or trays designed for the raising of dough and usually provided with means for heating and maintaining the heat of the pan or tray at a uniform temperature in excess of that of the surrounding atmosphere.

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377.1through 392.1, for an open-top liquid heating vessel that may include a lid having a confining, directing, or shielding feature for a liquid or steam used to heat the vessel.

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312Supports: Cabinet Structure,   subclass 236 for cabinets having both storage and heating means not special to this class.
  
[List of Patents for class 126 subclass 282]    282Lamp type:
 This subclass is indented under subclass 281.  Dough-raising devices, having a heater of the liquid-fuel-burner type.
  
[List of Patents for class 126 subclass 283]    283FUEL BOXES:
 This subclass is indented under the class definition.  Devices comprising fuel-holding cabinets provided with means for permitting the withdrawal of small quantities of fuel.

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209Classifying, Separating, and Assorting, Solids,   subclass 377 for enclosed sifters adapted for operation in connection with or within stoves or furnaces.
312Supports: Cabinet Structure,   subclass 236 for cabinets having both storage and heating means not special to this class.
  
[List of Patents for class 126 subclass 284]    284GLUE POTS:
 This subclass is indented under the class definition.  Devices primarily designed for the melting of glue and analogous substances. The pots are usually water or steam jacketed.

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33,for a cooking stove having a table heated by steam or hot water.
282,for a dough raiser heated by a liquid fuel burner.
377.1through 392.1, for an open-top liquid heating vessel that may include a lid having a confining, directing, or shielding feature for a liquid or steam used to heat the vessel.
  
[List of Patents for class 126 subclass 285]    285DAMPERS:
 This subclass is indented under the class definition.  Devices comprising miscellaneous dampers not classifiable otherwise.

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110Furnaces,   subclass 192 for a solid fuel furnace or incinerator provided with a timer to control all or a portion of the furnace or incinerator.
454Ventilation,   subclasses 322+ for damper details of registers.
  
[List of Patents for class 126 subclass 285.5]    285.5Timer-controlled:
 This subclass is indented under subclass 285.  Device comprising means controlling time as which the damper is either opened or closed, or the length of time between the opening and closing of the damper.

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110Furnaces,   subclass 192 for a solid fuel furnace or incinerator provided with a timer to control all or a portion of the furnace or incinerator.
  
[List of Patents for class 126 subclass 286]    286Distance operating devices:
 This subclass is indented under subclass 285.  Devices including operating means located at a distance and designed to operate smoke, air-flue, and stove draft-dampers.
  
[List of Patents for class 126 subclass 287]    287Door-operated:
 This subclass is indented under subclass 286.  Damper-operating devices, that are coupled up or connected to stove-doors and designed to operate the damper upon the opening or closing of the stove-door.

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110Furnaces,   subclass 158 for devices for admitting air to a furnace smoke box where the air opening valve is controlled by movement of the furnace door.
  
[List of Patents for class 126 subclass 287.5]    287.5Fusible release:
 This subclass is indented under subclass 285.  Dampers for stoves or furnaces with fusible means for holding them in inoperative position, but which when the temperature reaches a certain limit fuses and allows the damper to move in position to check the fire.

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137Fluid Handling,   subclasses 72+ for valves controlled by a fusible or heat destructible element.
  
[List of Patents for class 126 subclass 289]    289Stove:
 This subclass is indented under subclass 285.  Dampers structurally adapted for use with heating or cooking stoves.
  
[List of Patents for class 126 subclass 290]    290Draft:
 This subclass is indented under subclass 289.  Dampers designed to control the admission of air to the combustion-chamber.

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193,for doors designed to admit a current of air into the combustion chamber above the fuel level.
  
[List of Patents for class 126 subclass 291]    291Repair:
 This subclass is indented under subclass 289.  Dampers designed to replace broken or worn-out dampers and adjustable to stoves of different sizes.

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145,for adjustable stove linings.
153,for adjustable grates.
  
[List of Patents for class 126 subclass 292]    292Stovepipe:
 This subclass is indented under subclass 285.  Devices comprising miscellaneous stovepipe and air-flue dampers.
  
[List of Patents for class 126 subclass 293]    293Combined damper and ventilator:
 This subclass is indented under subclass 292.  Damper devices where the smoke-controlling damper and the ventilating-damper are so connected that the movement of one operates to move the other.
  
[List of Patents for class 126 subclass 294]    294Cone:
 This subclass is indented under subclass 292.  Dampers in the form of a sectional truncated cone. One or both of its sides are usually movable, so as to cause direct or retarded draft in the pipe.
  
[List of Patents for class 126 subclass 295]    295Lock and indicator:
 This subclass is indented under subclass 292.  Dampers provided with means for locking or holding the damper in a predetermined position, also devices for indicating their position.
  
[List of Patents for class 126 subclass 296]    296Multiple:
 This subclass is indented under subclass 292.  Dampers composed of two or more plates connected by a common operating-rod, so as to receive simultaneous action, thereby affecting the direct or indirect draft of the pipe.
  
[List of Patents for class 126 subclass 297]    297Sinuous passage:
 This subclass is indented under subclass 292.  Devices comprising single-spindle-operating pipe-dampers that have retarding means for giving a circuitous course to the products.
  
[List of Patents for class 126 subclass 298]    298FIRE DOGS:
 This subclass is indented under the class definition.  Devices generally known as andirons. Some of these devices are provided with a shelf or support, also a fender.

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505,for shelves adapted to fireplace grates or any open grate structure.
544+,for fireplace screens, guards and hearth structure.
  
[List of Patents for class 126 subclass 299]    299STOVE HOODS:
 This subclass is indented under the class definition.  Miscellaneous devices, commonly known as stove-hoods, designed to carry off odors from kitchen ranges, etc.

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389.1,for an open-top liquid heating vessel that may include a lid having a vent for steam emitted from the liquid that may be a passageway to a stove hole in a stove top.

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104Railways,   subclass 52 for smoke removers for use in roundhouses and locomotive sheds over locomotive smoke stacks.
454Ventilation,   subclasses 49+ for hoods and off takes for conducting away fumes, vapors, steam, dust, etc., from various places.
  
[List of Patents for class 126 subclass 300]    300Stove discharge:
 This subclass is indented under subclass 299.  Stove-hoods that discharge into the stove-body proper.
  
[List of Patents for class 126 subclass 301]    301Stovepipe discharge:
 This subclass is indented under subclass 299.  Stove-hoods provided with means for connecting them with stovepipes and flues.

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312,for stovepipes with ventilators.
  
[List of Patents for class 126 subclass 302]    302Stove casing:
 This subclass is indented under subclass 301.  Stove-hoods designed to inclose a stove; the casing acts as a heat-fender and is provided with ventilating means.

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544+,for devices designed to screen and guard stove and fireplace openings.
  
[List of Patents for class 126 subclass 303]    303Top plate casing:
 This subclass is indented under subclass 301.  Stove-hoods, designed to inclose the top plate of a stove. The casing is usually provided with ventilating means.
  
[List of Patents for class 126 subclass 304]    304STOVE LEGS:
 This subclass is indented under the class definition.  Subject matter comprising stove-legs and the means for attaching them to stove-bodies.

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4Baths, Closets, Sinks, and Spittoons,   subclass 594 for bath tub legs.
248Supports,   subclasses 188.2+ for furniture leveling devices and subclasses 188.8+ for pads and feet for furniture.
  
[List of Patents for class 126 subclass 305]    305Base supports:
 This subclass is indented under subclass 304.  Devices in the form of a ring or base, to which the stove-leg is attached, and designed to support the stove-body.

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55,and 277+, for other supporting structures for stoves and subclass 57, for protective casings for car stoves.
  
[List of Patents for class 126 subclass 306]    306Sheet metal:
 This subclass is indented under subclass 304.  Devices comprising sheet-metal stove-legs.
  
[List of Patents for class 126 subclass 307]    307STOVEPIPES:
 This subclass is indented under the class definition.  Devices comprising miscellaneous smoke-flues, designed to convey smoke and waste gases from the fire-pot.

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138Pipes and Tubular Conduits,   appropriate subclasses for pipe and conduit structures generally.
  
[List of Patents for class 126 subclass 312]    312Ventilation:
 This subclass is indented under subclass 307.  Subject matter having devices designed to carry off vitiated air and odors.

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293,for damper devices where the smoke controlling damper and the ventilating damper are interconnected.
301,for stove hoods with means connecting them with stove pipes or flues.

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454Ventilation,   subclass 43 for ventilating devices for buildings in which an outlet current of air is heated to increase its velocity.
  
[List of Patents for class 126 subclass 313]    313Air-moistening attachments:
 This subclass is indented under subclass 307.  Devices including open vessels containing a liquid and so connected to a stovepipe as to be heated thereby and designed to moisten the air in the room.

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454Ventilation,   subclasses 110 , 157, 223, 291, 328, and 337 for analogous devices for moistening air in ventilating structures.
  
[List of Patents for class 126 subclass 314]    314STOVEPIPE THIMBLES:
 This subclass is indented under the class definition.  Devices adapted to be applied to flue and similar openings, forming a lining therefor, and designed to receive a stove or similar pipe.

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301Land Vehicles: Wheels and Axles,   subclasses 108.1+ for vehicle wheels provided with hub caps.
  
[List of Patents for class 126 subclass 315]    315Adjustable flue collar:
 This subclass is indented under subclass 314.  Devices capable of vertical adjustment to suit the height of a stovepipe to obviate the necessity of cutting the same to fix the stove-hole of the chimney; also adjustable thimbles adapted to receive different-size stove-pipes.

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82,for stoves in which the back plate carries a pipe collar which is capable of adjustment relative to the flue opening.
  
[List of Patents for class 126 subclass 316]    316Combined thimble and ventilator:
 This subclass is indented under subclass 314.  Devices comprising thimbles designed to ventilate.
  
[List of Patents for class 126 subclass 317]    317Floor or ceiling plates:
 This subclass is indented under subclass 314.  Devices comprising collar and thimble devices designed for use in connection with pipes which pass through the floors or ceilings of buildings.

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362Illumination,   subclasses 404+ for similar devices adapted to be applied to the pipe or conduit of brackets or chandeliers where they are secured to a wall or ceiling in order to hide the juncture.
  
[List of Patents for class 126 subclass 318]    318Stovepipe anchor or lock:
 This subclass is indented under subclass 314.  Devices for locking the inserted end of a stove-pipe in a flue or thimble opening.

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285Pipe Joints or Couplings,   subclasses 189+ for sheet metal pipe to plate joints generally.
  
[List of Patents for class 126 subclass 319]    319Flue stoppers:
 This subclass is indented under subclass 314.  Devices designed to close flue and thimble openings.
  
[List of Patents for class 126 subclass 332]    332STOVE SHELVES:
 This subclass is indented under the class definition.  Devices comprising shelves or racks peculiarly applicable to stoves and as a rule self-supporting.

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190,for miscellaneous stove doors and windows.
214,for lid and top structure for liquid or gaseous fuel burning stoves.

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312Supports: Cabinet Structure,   subclass 351 for cabinets with fixed or removable shelves or other article supports.
  
[List of Patents for class 126 subclass 333]    333Brackets or stands:
 This subclass is indented under subclass 332.  Stove-shelves supported by a bracket or stand above the stove-top.

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248Supports,   appropriate subclasses for mere stands or brackets for supporting a stove shelf, unless limited by structure to use with a stove.
312Supports: Cabinet Structure,   subclass 280 for cabinets with continuously external racks or shelves.
  
[List of Patents for class 126 subclass 334]    334Drop:
 This subclass is indented under subclass 332.  Shelves so hung as to form when in operative position an extension of the stove top or oven-bottom.

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190,for stove doors and windows.
  
[List of Patents for class 126 subclass 335]    335Door-operated:
 This subclass is indented under subclass 334.  Shelves so hung as to form an extension of the oven-bottom when the oven-door is open and thrown into operative or inoperative position by the opening or closing of the oven door.
  
[List of Patents for class 126 subclass 337]    337Oven shelf or rack:
 This subclass is indented under subclass 332.  Subject matter comprising improvements in the form of the oven-rack or shelf.

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273,for miscellaneous domestic ovens.
  
[List of Patents for class 126 subclass 338]    338Rotary:
 This subclass is indented under subclass 337.  Oven shelves or racks adapted to be revolved or rotated in the oven.

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312Supports: Cabinet Structure,   subclass 305 for cabinets with continuously housed rotary shelves or racks.
  
[List of Patents for class 126 subclass 339]    339Sliding:
 This subclass is indented under subclass 337.  Oven shelves or racks, adapted to be withdrawn from the oven and means for holding the shelf in its extended horizontal position.

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312Supports: Cabinet Structure,   subclasses 330.1+ for cabinets with sliding shelves or racks.
  
[List of Patents for class 126 subclass 340]    340Door-operated:
 This subclass is indented under subclass 339.  Sliding oven shelves or racks moved out or in by the opening or closing of the oven-door.

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312Supports: Cabinet Structure,   subclass 273 for cabinets with horizontally slidable shelves or racks interconnected with a rigid housing wall or closure for relative motion.
  
[List of Patents for class 126 subclass 343.5]    343.5MELTING FURNACES:
 This subclass is indented under the class definition.  Heaters specially adapted for melting substances by the application of heat to a receptacle, conduit, or support for the material to be melted.

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271.1+,for portable apparatus for applying heat to surfaces generally, whether for the purpose of melting snow and ice, thawing frozen ground, burning weeds or stubble, or preparing ground for cultivation.

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37Excavating,   subclasses 227+ for analogous construction.
239Fluid Sprinkling, Spraying, and Diffusing,   subclasses 128+ and 146+ for wheeled carts having a heating means and a nozzle structure for discharging steam or a heated fluid, and see the class definition of Class 239, section III(h), for the line between Classes 126 and 239.
423Chemistry of Inorganic Compounds,   subclass 13 for a residual process of melting material.
  
[List of Patents for class 126 subclass 344]    344LIQUID HEATER:
 This subclass is indented under the class definition.  Subject matter comprising means to add thermal energy to a fluid that is shapeless, virtually incompressible, and has a definite volume (e.g., water, etc.).
(1) Note. This may include a solid within the liquid.

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5,for combined cooking and heating stoves with steam or hot-water generators.
20,for ovens of the cooking stove type heated by steam or hot water.
31,for cooking stoves having a water tank in an extension chamber through which products of combustion pass.
33,for shallow chambers (steam tables) provided with means for circulating steam or hot water therein.
34,for cooking stoves provided with steam or hot water generators located in or adjacent the combustion chamber.
53,for gas or vapor fuel cooking stoves that have water backs.
101,for hot air furnaces combined with boilers.
113,for hot air furnaces with water pans.
210,for body warmers having liquid or gaseous fuel water heaters.
508,for air moistening attachments to fireplaces or open front heaters.
513+,for fireplaces having water or steam generating backs.
561+,and 569+, for devices for heating water by solar energy.

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122Liquid Heaters and Vaporizers,   for a closed or pressurized liquid heater or vaporizer for other than a stove or furnace.
165Heat Exchange,   for a residual heat transfer apparatus or process.
392Electric Resistance Heating Devices,   subclass 308 for a heating device combined with other than electrical heating means (e.g., gas, etc.) for heating liquid, subclasses 311-338 for electrically heated water heaters, or subclasses 441-464 for a tank- or container-type liquid heater.
  
[List of Patents for class 126 subclass 345]    345Kettle furnace:
 This subclass is indented under subclass 344.  Subject matter wherein the liquid heater has an open tank or receptacle for the liquid intended to cook food.
(1) Note. This type of liquid heater is also called an "agricultural boiler".

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99Foods and Beverages: Apparatus,   subclass 453 for temperature modification of dairy foods.
159Concentrating Evaporators,   subclasses 32+ for open pan liquid concentrators.
  
[List of Patents for class 126 subclass 346]    346Canning:
 This subclass is indented under subclass 345.  Subject matter wherein the kettle furnace has a tray having elevating and lowering means, and means for treating a food product other than in the art of preserving.

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99Foods and Beverages: Apparatus,   subclasses 359+ for heated receptacles modified to contain jars or cans of food, and subclasses 403+ for heated vessels modified to contact a food material with a heated liquid contained therein.
  
[List of Patents for class 126 subclass 347]    347Horizontal combustion chamber:
 This subclass is indented under subclass 345.  Subject matter wherein the kettle furnace has an enclosed structure for the fuel burner that extends parallel to, in the plane of, or operating in a plane parallel to the horizon.
  
[List of Patents for class 126 subclass 348]    348Steam generator and cooker:
 This subclass is indented under subclass 345.  Subject matter wherein the kettle furnace heats the liquid until vapor is emitted which is used to prepare food for eating.

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360.1,360.2, for a submerged fluid fuel burner other than a top-accessible liquid heating vessel.
368.1,for a liquid heater having a solid fuel burner submerged underneath the surface of the liquid that may be held in an open-top vessel.
373.1through 390.1, for a liquid heater having an open-top vessel that may have a heating means submerged under the liquid.

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122Liquid Heaters and Vaporizers,   for a closed or pressurized liquid heater or vaporizer for other than a stove or furnace.
  
[List of Patents for class 126 subclass 349]    349Tilting:
 This subclass is indented under subclass 345.  Subject matter wherein the kettle furnace has means permitting the kettle to move or shift so as to lean or incline.

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222Dispensing,   subclasses 164+ for dispensing vessels which are tiltably supported.
  
[List of Patents for class 126 subclass 350.1]    350.1Fluid fuel burner for other than top-accessible vessel:
 This subclass is indented under subclass 344.  Subject matter wherein the liquid heater has a fuel burner that burns fuel having physical properties of a gas or liquid to generate heat for the liquid in other than a receptacle having an entrance at its uppermost.

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373.1through 390.1, for an open-top liquid heating vessel that may include a lid.

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122Liquid Heaters and Vaporizers,   for a closed or pressurized liquid heater or vaporizer for other than a stove or furnace, subclasses 13.01 through 19.2for a stand boiler (e.g., water heater, etc.) that provides hot water for domestic or household use (e.g., cooking, cleaning, washing, bathing, space heating, etc.) that may be in other than a house or home (e.g., apartment building, office building, restaurant, laundry, recreational vehicle, etc.).
123Internal-Combustion Engines,   subclass 142.5 for an engine combined with external means to heat the engine or an adjunct of it (e.g., radiator, etc.), or the engine having means to exchange heat from one part to another part.
  
[List of Patents for class 126 subclass 350.2]    350.2Vaporizer or humidifier:
 This subclass is indented under subclass 350.1.  Subject matter wherein the liquid heater converts the liquid into a gaseous state for delivery outside the liquid heater.
(1) Note. This vapor may be used to create a fog, control the humidity in a room, or for inhalation.

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113,for a hot air furnace having an air moistening means.

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4Baths, Closets, Sinks, and Spittoons,   subclasses 524 through 534for a vapor or heat in a bath (e.g., sauna, steam bath, or sudatorium, etc.) or subclasses 535-537 for means for applying vapor or hot air directly to the body of a user.
29Metal Working,   subclass 890.07 for a method of making a condenser, evaporator, or vaporizer.
128Surgery,   subclasses 203.26 and 203.27 for a respiratory method or device to mix and heat a treating agent or a respiratory gas, or a mixture of both.
261Gas and Liquid Contact Apparatus,   digest 65 for a vaporizer.
392Electric Resistance Heating Devices,   subclasses 394 through 406for a liquid vaporizer.
  
[List of Patents for class 126 subclass 351.1]    351.1And condition responsive feature:
 This subclass is indented under subclass 350.1.  Subject matter and means to sense a state or change in state of the liquid heater or the liquid heated by the liquid heater to effect a change in operation of the liquid heater or the heated liquid.

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42,for a gas fueled cooking stove having a safety attachment.
374.1,for an open-top liquid heating vessel that may include a lid and a condition responsive feature.

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99Foods and Beverages: Apparatus,   for apparatus combined with a food treating feature that is more than mere heating, subclasses 325 through 336for automatic control of cooking apparatus.
122Liquid Heaters and Vaporizers,   for a closed or pressurized liquid heater or vaporizer for other than a stove or furnace, subclasses 14.1 through 14.31for a stand boiler (e.g., water heater, etc.) having a condition responsive feature.
236Automatic Temperature and Humidity Regulation,   subclasses 20 through 33for an automatic temperature control for a closed fluid heater.
  
[List of Patents for class 126 subclass 355.1]    355.1And liquid dripping from plate, pan, or suspended strip:
 This subclass is indented under subclass 350.1.  Subject matter and a smooth, flat, thin piece of material, a broad, shallow, open-top vessel or a long, narrow piece of material hung to be free on all sides, except at the point of support, for the liquid to fall downward by gravity in drops to mix with rising exhaust from the burner.
(1) Note. The pan is within a tank that is open to the atmosphere.
(2) Note. The plate, pan, or suspended strip may be perforated.
(3) Note. The liquid is heated by contact with the heated plate, pan or suspended strip, or by direct contact by the dripping liquid with the rising exhaust from the burner.

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359.1,for a fluid fuel burner other than a top-accessible liquid heating vessel where the liquid flows down a cylindrical or conical surface.
  
[List of Patents for class 126 subclass 357.1]    357.1And separable heat exchanger to heat the liquid:
 This subclass is indented under subclass 350.1.  Subject matter and means that can be separated or dissociated from the burner without materially mixing the liquid with exhaust from the burner.
(1) Note. The heat exchanger may be intended for fluid communication with a vessel.
  
[List of Patents for class 126 subclass 358.1]    358.1Wick lamp type:
 This subclass is indented under subclass 350.1.  Subject matter wherein the fluid fueled burner is structurally related to those using a bundle of fibers or a loosely twisted, braided, or woven cord, tape, or tube usually of soft spun cotton threads to draw up liquid fuel steadily, by capillary attraction, from a reservoir to be burned to produce light.

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47,48, for a liquid fueled wick lamp-type cooking stove.
96,97, for a liquid fueled wick lamp-type air heating stove.
255through 256, for an attachment to a liquid or gaseous fueled lamp- or wick-type burner.

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431Combustion,   a residual process or apparatus of combustion or combustion starting, subclass 120 for a wick trimming, treating, inserting, or removing means; or subclasses 298-325 for a fibrous wick-type flame holder.
502Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making,   subclasses 400 through 438for a solid sorbent.
  
[List of Patents for class 126 subclass 359.1]    359.1And the liquid flows down a cylindrical or conical surface:
 This subclass is indented under subclass 350.1.  Subject matter and means to pour the liquid over an upper exterior or interior of a cylinder or cone-shaped part.

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355.1,for a fluid fuel burner other than a top-accessible liquid heating vessel where the liquid drips from a plate, pan, or suspended strip.

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122Liquid Heaters and Vaporizers,   for a closed or pressurized liquid heater or vaporizer for other than a stove or furnace, subclass 39 for a boiler having a liquid film flowing over a heating surface.
  
[List of Patents for class 126 subclass 360.1]    360.1And liquid heater is submerged under the liquid:
 This subclass is indented under subclass 350.1.  Subject matter wherein the liquid heater is covered by and beneath the surface of the liquid.

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367.1,368.1, for a liquid heater having a solid fuel burner submerged underneath the surface of the liquid that may be held in an open-top vessel.
  
[List of Patents for class 126 subclass 360.2]    360.2Direct contact of the liquid by exhaust:
 This subclass is indented under subclass 360.1.  Subject matter wherein the fluid fueled burner generates a hot gaseous product submerged under the surface of and put into immediate connection with the liquid.

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261Gas and Liquid Contact Apparatus,   subclass 77 for a submerged blast injector device providing intimate contact between a gas and liquid.
  
[List of Patents for class 126 subclass 361.1]    361.1Boiler receiving hot liquid or steam from stove or furnace (e.g., kitchen boiler, range boiler, etc.):
 This subclass is indented under subclass 344.  Subject matter wherein the liquid heater is closed and intended to receive hot liquid heated or vapor emitted from liquid heated from the stove or furnace for heating or storage.

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53,54, for a fluid fueled cook stove having a water back.

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122Liquid Heaters and Vaporizers,   for a closed or pressurized liquid heater or vaporizer for other than a stove or furnace, subclass 18.5 for a stand boiler (e.g., water heater, etc.) that provides hot water for domestic or household use (e.g., cooking, cleaning, washing, bathing, space heating, etc.) that may be found in other than a house or home (e.g., apartment building, office building, restaurant, laundry, etc.) having a fluid fueled burner and an external water tank.
220Receptacles,   subclass 567.3 for a stationary tank for a hot water heater or boiler.
  
[List of Patents for class 126 subclass 362.1]    362.1Having means to circulate the liquid:
 This subclass is indented under subclass 361.1.  Subject matter including means to provide a liquid flow path inside or outside the boiler.

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365.1,for a liquid heater and stovepipe having liquid circulation means.

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122Liquid Heaters and Vaporizers,   for a closed or pressurized liquid heater or vaporizer for other than a stove or furnace, for a stand boiler (e.g., water heater, etc.) that provides hot water for domestic or household use (e.g., cooking, cleaning, washing, bathing, space heating, etc.) that may be in other than a house or home (e.g., apartment building, office building, restaurant, laundry, recreational vehicle, etc.), subclass 13.3 having a delivery means to a dispensing feature or subclass 19.1 having a water containing chamber or external tank including a flow feature within.
392Electric Resistance Heating Devices,   subclass 452 for a line connected tank- or container-type liquid heater having an immersion heating element and a baffle or guard to direct the liquid.
  
[List of Patents for class 126 subclass 363.1]    363.1Support:
 This subclass is indented under subclass 361.1.  Subject matter including means to hold up or serve as a foundation or prop for the boiler.

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248Supports,   subclasses 128 through 145.6for a movable receptacle stand or subclasses 146-154 for a stationary receptacle stand.
  
[List of Patents for class 126 subclass 364.1]    364.1And stovepipe:
 This subclass is indented under subclass 344.  Subject matter wherein the liquid heater is part of and has means to transfer heat from the stovepipe to the liquid.
  
[List of Patents for class 126 subclass 365.1]    365.1Having means to circulate the liquid:
 This subclass is indented under subclass 364.1.  Subject matter including means to provide a liquid flow path inside or outside the liquid heating stovepipe.

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362.1,for a boiler receiving hot liquid or steam from a stove or furnace (e.g., kitchen boiler, range boiler, etc.) having liquid circulation means.

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122Liquid Heaters and Vaporizers,   for a closed or pressurized liquid heater or vaporizer for other than a stove or furnace, for a stand boiler (e.g., water heater, etc.) that provides hot water for domestic or household use (e.g., cooking, cleaning, washing, bathing, space heating, etc.) that may be in other than a house or home (e.g., apartment building, office building, restaurant, laundry, recreational vehicle, etc.), subclass 13.3 having a delivery means to a dispensing feature or subclass 19.1 having a water containing chamber or external tank including a flow feature within.
392Electric Resistance Heating Devices,   subclass 452 for a line connected tank- or container-type liquid heater having an immersion heating element and a baffle or guard to direct the liquid.
  
[List of Patents for class 126 subclass 367.1]    367.1Solid fuel burner and submerged under the liquid:
 This subclass is indented under subclass 344.  Subject matter wherein the liquid heater has a fuel burner that burns fuel having physical properties other than a gas or liquid (e.g., coal, wood, etc.) and covered by and beneath the surface of the liquid.

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360.1,360.2, for a submerged fluid fuel burner other than a top-accessible liquid heating vessel.
373.1through 390.1, for a liquid heater having an open-top vessel that may include a lid or has a heating means submerged under the liquid.

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122Liquid Heaters and Vaporizers,   for a closed or pressurized liquid heater or vaporizer for other than a stove or furnace, subclass 16.1 for a stand boiler (e.g., water heater, etc.) that provides hot water for domestic or household use (e.g., cooking, cleaning, washing, bathing, space heating, etc.) that may be in other than a house or home (e.g., apartment building, office building, restaurant, laundry, recreational vehicle, etc.) having a solid fuel burner.
  
[List of Patents for class 126 subclass 368.1]    368.1United to vessel containing the liquid:
 This subclass is indented under subclass 367.1.  Subject matter including a container for the liquid wherein the liquid heater and the container form a whole.
  
[List of Patents for class 126 subclass 369]    369Steam chamber for food:
 This subclass is indented under subclass 344.  Subject matter wherein the liquid heater heats the liquid until vapor is emitted for use in an enclosed space for receiving a comestible.

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20,for cooking ovens heated by steam or hot water.

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34Drying and Gas or Vapor Contact With Solids,   for analogous devices used for drying.
99Foods and Beverages: Apparatus,   for apparatus combined with a food treating feature that is more than mere heating, subclass 293 and 294 for a steamer- or condenser-type beverage infuser or subclasses 359-371 for filled receptacle-type cooking apparatus (e.g., can processor, bottle pasteurizer, food jar canning apparatus, etc.).
131Tobacco,   subclasses 300+ for tobacco steaming apparatus.
  
[List of Patents for class 126 subclass 369.1]    369.1With additional heating fluid:
 This subclass is indented under subclass 369.  Subject matter wherein the steam chamber includes means for using another heating fluid (e.g., combustion exhaust, etc.), other than the steam on the food.
(1) Note. The steam or the additional fluid may be used together or separately on the food.
  
[List of Patents for class 126 subclass 369.2]    369.2Plural steam chambers:
 This subclass is indented under subclass 369.  Subject matter including two or more distinct steam chambers, or the steam chamber is divided into two or more compartments having separate means of access thereto.

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20.1+,for plural steam ovens.
  
[List of Patents for class 126 subclass 369.3]    369.3Selective supply:
 This subclass is indented under subclass 369.2.  Subject matter wherein the plural steam chambers have means to control which chamber or chambers are provided with steam.

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20.2,for the selective supply of steam to a plurality of steam ovens.
  
[List of Patents for class 126 subclass 373.1]    373.1Open-top vessel may include lid:
 This subclass is indented under subclass 344.  Subject matter wherein the liquid heater is a receptacle for holding the liquid for heating that is accessible at its uppermost and may include a movable cover.
(1) Note. This may include a thermal energy generating means for the vessel.
(2) Note. The heater for the vessel is claimed or disclosed as a "tank heater", "immersion heater", "immersible heater", "submersion heater" or "submersible heater".

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350.1through 350.2, for a fluid fuel burner other than a top-accesible liquid heating vessel.
368.1,for a liquid heater having a solid fuel burner susmerged underneath the surface of the liquid that may be held in an open-top vessel.

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99Foods and Beverages: Apparatus,   for apparatus combined with a food treating feature that is more than mere heating, subclasses 316 through 322for a beverage infusor having a space or support for an infusible material or subclasses 403-418 for a boiler or a deep fat fryer-type cooker.
220Receptacles,   subclasses 573.1 through 573.5for cookware (e.g., pot, baking pan, etc.), subclasses 592.22 and 592.23 for a thermally insulated receptacle for heated contents (e.g., fireless cooker, etc.), or subclass 592.28 for a receptacle for use with a heated fluent medium (e.g., hot air, hot water, steam, etc.).
392Electric Resistance Heating Devices,   subclasses 449 through 464for a line connected tank or container-type liquid heater.
  
[List of Patents for class 126 subclass 374.1]    374.1And condition responsive feature:
 This subclass is indented under subclass 373.1.  Subject matter and means to sense a state or change in state of the open-top vessel or the liquid heated by the open-top vessel to effect a change in operation of the open-top vessel or the heated liquid.

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42,for a gas fueled cooking stove having a safety attachment.
351.1,for a liquid heater and stovepipe having liquid circulation means.

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99Foods and Beverages: Apparatus,   for apparatus combined with a food treating feature that is more than mere heating, subclasses 325 through 336for automatic control of cooking apparatus.
119Animal Husbandry,   for residual apparatus to care for a living animal, subclass 73 for a temperature-controlled watering or liquid-feeding apparatus, subclass 77 for a watering fountain or trough having a barometrically controlled supply, or subclass 78 for a watering fountain or trough having a float-controlled supply.
122Liquid Heaters and Vaporizers,   for a closed or pressurized liquid heater or vaporizer for other than a stove or furnace, subclasses 14.1 through 14.31for a stand boiler (e.g., water heater, etc.) having a condition responsive feature.
137Fluid Handling,   subclasses 386 through 454for apparatus that is condition responsive to a liquid level or maintains a liquid level.
417Pumps,   subclasses 36 through 41for a pump drive motor that is condition responsive to accumulated liquid pumped into a receiver.
  
[List of Patents for class 126 subclass 375.1]    375.1Heat accumulator:
 This subclass is indented under subclass 373.1.  Subject matter including means to store thermal energy for delivery to the liquid in the vessel.

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273.5,for a domestic oven using a heat accumulator (e.g., fireless cooker, etc.).
  
[List of Patents for class 126 subclass 376.1]    376.1Heating fluid confining, directing, or shielding feature:
 This subclass is indented under subclass 373.1.  Subject matter including enclosing, guiding, or protecting means for regulating a hot liquid or gas used in heating the vessel or the liquid in the vessel.

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390.1,for an open-top liquid heating vessel that may include a lid having a heating wall structure.

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99Foods and Beverages: Apparatus,   for apparatus combined with a food treating feature that is more than mere heating, subclass 447 for a cooking apparatus having a heat distributor.
122Liquid Heaters and Vaporizers,   for a closed or pressurized liquid heater or vaporizer for other than a stove or furnace, subclasses 18.1 through 18.4for a stand boiler (e.g., water heater, etc.) having a fluid fuel burner and heat exchange feature.
  
[List of Patents for class 126 subclass 377.1]    377.1Heating fluid is a liquid or steam:
 This subclass is indented under subclass 376.1.  Subject matter wherein the heating fluid is a liquid (e.g., water, etc.) or a vapor emitted from a heated liquid.
(1) Note. The heating liquid or steam may be the same as, separate from, or distinct from the liquid in the vessel.

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20through 20.2, for a cooking stove having an oven heated by steam or hot water.
33,for a cooking stove having a table heated by steam or hot water.
281,282, for a dough raiser that may be heated by steam or hot water.
284,for a glue pot that may be heated by steam or hot water.

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220Receptacles,   subclass 23.91 for a receptacle having rigid, removable external jacket or casing or subclasses 62.11-62.22 for a receptacle side wall made of two or more layers of permanently attached material.
  
[List of Patents for class 126 subclass 378.1]    378.1In closed chamber or coiled pipe to heat the liquid:
 This subclass is indented under subclass 377.1.  Subject matter including an enclosed space or cavity, or a conduit formed into a loop to transfer heat from the liquid or steam heating fluid to the liquid in the vessel.
(1) Note. The term "closed" means the heating liquid or steam is separate from the liquid in the vessel and out of contact with the atmosphere.
(2) Note. This includes two or more vessels fitted together to form a closed chamber (e.g., double boiler, etc.).

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392Electric Resistance Heating Devices,   subclasses 451 through 457for a line connected tank or container-type liquid heater having an immersion heating element or subclass 496 for continuous flow-type fluid heater using a fluid heated by the heating element for subsequent transmission to the flow path.
  
[List of Patents for class 126 subclass 379.1]    379.1Steam jet directed into the liquid of vessel:
 This subclass is indented under subclass 377.1.  Subject matter wherein the liquid heater heats the liquid until vapor is emitted, then the confining or directing means ejects the vapor as a stream into the liquid of the vessel.

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348,for a liquid heating-type steam generator and cooker kettle furnace.

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99Foods and Beverages: Apparatus,   for apparatus combined with a food treating feature that is more than mere heating, subclasses 467 through 482for subjecting food to an enclosed modified atmosphere or subclasses 516-536 for means to treat food by applying a fluid.
261Gas and Liquid Contact Apparatus,   subclass 77 for a submerged blast injector device providing intimate contact between a gas and liquid.
  
[List of Patents for class 126 subclass 380.1]    380.1And supply of the liquid to vessel:
 This subclass is indented under subclass 373.1.  Subject matter including means to store and dispense the liquid to the vessel.
(1) Note. The liquid usually replaces that lost from the vessel by evaporation or is used to condense vapors within the vessel.
(2) Note. The supply of liquid to the vessel is other than returned condensed steam, boil over, or spatter from the liquid in the vessel.

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381.1,382.1, for an open-top liquid heating vessel that may include a lid having a condenser for steam from the vessel.
383.1through 386.1, for an open-top liquid heating vessel that may include a lid having a collecting, directing, or shielding feature for overflow or spatter of the liquid.

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119Animal Husbandry,   for residual apparatus to care for a living animal, subclasses 74 through 81for a watering fountain or trough having a supply.
122Liquid Heaters and Vaporizers,   for a closed or pressurized liquid heater or vaporizer for other than a stove or furnace, subclasses 451 through 458for a water feeder combined with a boiler.
196Mineral Oils: Apparatus,   subclass 135 for special means for feeding oil to a vaporizer.
202Distillation: Apparatus,   a residual class, subclasses 262 and 263 for means to feed material in or discharge residue from a still or retort.
  
[List of Patents for class 126 subclass 381.1]    381.1And condenser for steam from vessel:
 This subclass is indented under subclass 373.1.  Subject matter and means to convert vapor emitted from the heated liquid in the vessel back into the liquid.

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380.1,for an open-top liquid heating vessel that may include a lid and a supply of liquid to the vessel.

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29Metal Working,   subclass 890.07 for a method of making a condenser, evaporator, or vaporizer.
99Foods and Beverages: Apparatus,   for apparatus combined with a food treating feature that is more than mere heating, subclasses 293 and 294 for a steamer- or condenser-type beverage infuser or subclass 347 for a condensing or self-basting cooker.
202Distillation: Apparatus,   a residual class, subclasses 185.1 through 196for a still having a condenser.
  
[List of Patents for class 126 subclass 382.1]    382.1Condenser is confined body of liquid:
 This subclass is indented under subclass 381.1.  Subject matter wherein the condenser is a contained bulk of fluid that is shapeless, virtually incompressible, and has a definite volume (e.g., water, etc.).
  
[List of Patents for class 126 subclass 383.1]    383.1Collecting, directing, or shielding feature for overflow or spatter of the liquid:
 This subclass is indented under subclass 373.1.  Subject matter including amassing, guiding, or protecting means for regulating the liquid when it flows over the brim of or spurts forth in scattered drops from the vessel.

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380.1,for an open-top liquid heating vessel that may include a lid having a supply of liquid to the vessel.
387.1,for an open-top liquid heating vessel that may include a lid having an agitator or circulator using the heated liquid within the vessel and may prevent boil over.
389.1,for an open-top liquid heating vessel that may include a lid having a vent for steam emitted from the liquid that may be a passageway to a stove hole in a stove top.

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99Foods and Beverages: Apparatus,   for apparatus combined with a food treating feature that is more than mere heating, subclass 375 for an opposed heated mold or surface-type (e.g., waffle iron, etc.) cooking apparatus having a drip or waste receptor, director, or trimmer.
220Receptacles,   subclass 4.03 for a container constructed of separate and distinct sections provided with an additional section to form an extension of its sidewall, subclass 571.1 for a drain or a drip pan attachable to a bucket or paint can, or subclasses 694-89.4 for a container attachment or adjunct.
  
[List of Patents for class 126 subclass 384.1]    384.1And in closure for vessel (e.g., lid, etc.):
 This subclass is indented under subclass 383.1.  Subject matter wherein the open-top vessel and means to close or obstruct the opening having the collecting, directing, or shielding feature for the overflow or spatter of the liquid.
(1) Note. The closure (e.g., a lid, etc.) may have more than one hole through it.
  
[List of Patents for class 126 subclass 385.1]    385.1Annular receptacle for vessel:
 This subclass is indented under subclass 383.1.  Subject matter wherein the collecting, directing, or shielding feature is a channel or container encircling the vessel for the overflow or spatter of the liquid.
  
[List of Patents for class 126 subclass 386.1]    386.1Restoring overflow or spatter to vessel:
 This subclass is indented under subclass 385.1.  Subject matter wherein the annular receptacle for the vessel includes means to return the overflowed or spattered liquid back into the vessel.

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384.1,for an open-top liquid heating vessel that may include a lid and a closure for the vessel having a collecting, directing, or shielding feature for overflow of the liquid.
  
[List of Patents for class 126 subclass 387.1]    387.1Agitator or circulator using the heated liquid within:
 This subclass is indented under subclass 373.1.  Subject matter including means using thermal energy of the liquid heated within the vessel to cause stirring, shaking, or flowing of the liquid within the vessel.
(1) Note. The agitating or circulating means may prevent boil over or burning of the liquid.

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99Foods and Beverages: Apparatus,   for apparatus combined with a food treating feature that is more than mere heating, subclass 287 for a beverage infusor having means to agitate or compact the infusible material during infusion or subclass 348 for cooking apparatus having means to stir the food during cooking.
165Heat Exchange,   for a residual heat transfer apparatus or process, subclass 108 for a heat exchanger having a delineated recirculation path between its discharge and inlet.
366Agitating,   subclasses 144 through 149for agitating combined with heating or cooling.
  
[List of Patents for class 126 subclass 388.1]    388.1And indicator or signaler feature:
 This subclass is indented under subclass 373.1.  Subject matter and means to display, notify, or warn of a condition or function of the liquid heater.

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99Foods and Beverages: Apparatus,   for apparatus combined with a food treating feature that is more than mere heating, subclass 285 for a beverage infusor having signal, indicator, or observation means; or subclasses 342-344 for cooking apparatus having a signal, indicator, or tester means.
116Signals and Indicators,   for a general mechanical means to signal or indicate a condition or function.
206Special Receptacle or Package,   subclass 459.1 for a container with an indicator (i.e., variable information exhibiting means).
  
[List of Patents for class 126 subclass 389.1]    389.1Vent for steam emitted from the liquid:
 This subclass is indented under subclass 373.1.  Subject matter wherein the open-top vessel that may include the lid has an opening for a vapor, arising from the liquid heated in the vessel, to escape.
(1) Note. In the newer, 1960s and later patents, the vent is usually for pressure relief, while in the older patents, the vent is a passageway to a stove hole in a stove top usually for disposing of disagreeable cooking odors.

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299through 303, for a stove hood designed to carry off an odor from a stove.
383.1through 386.1, for an open-top liquid heating vessel that may include a lid having a collecting, directing, or shielding feature for overflow or spatter of the liquid.
  
[List of Patents for class 126 subclass 390.1]    390.1Heating wall structure:
 This subclass is indented under subclass 373.1.  Subject matter wherein the vessel has a material layer makeup or arrangement between the liquid in the vessel and the thermal energy from the liquid heater.
(1) Note. This heating wall may modify conduction, area, or distribution of the heat within the vessel.
(2) Note. This heating wall may be separable from the vessel.

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376.1through 391.1, for an open-top liquid heating vessel that may include a lid having a heating fluid confining, directing, or shielding feature.

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99Foods and Beverages: Apparatus,   for apparatus combined with a food treating feature that is more than mere heating, subclass 447 for a cooking apparatus having a heat distributor.
122Liquid Heaters and Vaporizers,   for a closed or pressurized liquid heater or vaporizer for other than a stove or furnace, subclasses 18.1 through 18.4for a stand boiler (e.g., water heater, etc.) having a fluid fueled burner and heat exchange feature.
165Heat Exchange,   for a residual heat transfer apparatus or process that may include a heating wall structure.
  
[List of Patents for class 126 subclass 391.1]    391.1Flue penetrates wall of vessel into the liquid:
 This subclass is indented under subclass 376.1.  Subject matter wherein the confining or directing means is a pipe or passageway for exhausting flame or smoke, passing through a side of the vessel into the liquid.
  
[List of Patents for class 126 subclass 392.1]    392.1The liquid circulating between external heating tube and vessel:
 This subclass is indented under subclass 377.1.  Subject matter wherein the confining or directing means is a fluid flow circuit including the liquid in the vessel and a thermal energy receiving hollow elongated cylinder outside the vessel.
  
[List of Patents for class 126 subclass 400]    400HEAT ACCUMULATOR STRUCTURES:
 This subclass is indented under the class definition.  Devices consisting of bodies which are so constituted or constructed as to be capable of absorbing quantities of heat energy large relative to their mass or volume and being adapted for use as either a source or reservoir of heat energy. These bodies are frequently the heat sources in so-called "Fireless Cookers" and body warmers.

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39,for gas stoves combined with "Fireless Cookers".
87+,92 and 512, for gas or liquid burning heating stoves or fireplaces having elements against which the flames impinge.
204,and 263.01-263.1, for heating devices including means undergoing a chemical change, other than combustion, to give off heat.
207,for block type body warmers.
246,for dishes having heat accumulators, either liquid or solid.
273.5,for fireless cookers.
375.1,for heat accumulator bodies incorporated in a liquid heater.

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62Refrigeration,   subclass 293 for a hand manipulable cooling tool, subclass 437 for a refrigeration system with a nonliquid heat accumulator, and subclass 530 for an envelope type refrigerant container.
110Furnaces,   subclasses 322+ for baffles and heat retainers.
132Toilet,   subclass 117 for toilet combs with a removable heat accumulator, and subclasses 233+ for hair curlers comprising a tube acting as a mandrel around which hair is wound, a jaw clamping the hair to the mandrel, and a rod separately heatable and insertable in the mandrel to heat it.
165Heat Exchange,   subclasses 4+ for a regenerative heat exchange having heat accumulator structure.
237Heating Systems,   subclasses 44 and 75 for car heating systems and steam radiators with heat accumulators.
252Compositions,   subclasses 67+ , 70 and 71+ for compositions which absorb and give off heat without undergoing a chemical change.
431Combustion,   subclass 170 for a furnace in which the fuel nozzle feeds into a permeable mass within the furnace.
501Compositions: Ceramic,   subclasses 94+ for refractory compositions.
  
[List of Patents for class 126 subclass 401]    401TOOL HAVING FLUID FUEL BURNER:
 This subclass is indented under the class definition.  Miscellaneous tool having a work engaging member which is heated by a fluid fuel combustion device integral with the work engaging member.
  
[List of Patents for class 126 subclass 402]    402Branding iron:
 This subclass is indented under subclass 401.  Tool adapted to making distinctive marks by burning a surface.
  
[List of Patents for class 126 subclass 403]    403Gas:
 This subclass is indented under subclass 402.  Branding iron employing gaseous fuel.
  
[List of Patents for class 126 subclass 404]    404Hydrocarbon reservoir:
 This subclass is indented under subclass 402.  Branding iron provided with a liquid fuel holding receptacle, usually in the handle, for supplying fuel to the heating burner.
  
[List of Patents for class 126 subclass 405]    405Burning tool:
 This subclass is indented under subclass 401.  Tool employed in the burning of wood and other substances.
  
[List of Patents for class 126 subclass 406]    406Gas:
 This subclass is indented under subclass 405.  Tool burning gas.
  
[List of Patents for class 126 subclass 407]    407Hydrocarbon reservoir:
 This subclass is indented under subclass 405.  Tool provided with a liquid holding receptacle for supplying fuel to the heating burner.
  
[List of Patents for class 126 subclass 408]    408Curling iron:
 This subclass is indented under subclass 401.  Tool used to set the curl in hair by heat.
  
[List of Patents for class 126 subclass 409]    409Hydrocarbon reservoir:
 This subclass is indented under subclass 408.  Curling iron provided with means to utilize liquid fuel as a heating agent.
  
[List of Patents for class 126 subclass 410]    410Roll heating type:
 This subclass is indented under subclass 401.  Subject matter including a burner combined with and heating and ironing roll, burnishing-machine, or similar structure.

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492Roll or Roller,   for a roll, per se, not elsewhere provided for, and see the notes thereunder.
  
[List of Patents for class 126 subclass 411]    411Sadiron:
 This subclass is indented under subclass 401.  Subject matter comprising a movable heavy smooth planar surface adapted to be heated and used for "pressing".

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38Textiles: Ironing or Smoothing,   subclasses 74+ , and the notes thereunder, for other flatirons.
  
[List of Patents for class 126 subclass 412]    412Hydrocarbon reservoir:
 This subclass is indented under subclass 411.  Sadiron structurally adapted to the use of liquid fuel and provided with an attached liquid fuel reservoir.
  
[List of Patents for class 126 subclass 413]    413Soldering iron:
 This subclass is indented under subclass 401.  Tool adapted to melt solder and apply it between surfaces of parts to joint them.

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219Electric Heating,   subclasses 227+ for a soldering iron having electrical structure or characteristics.
228Metal Fusion Bonding,   subclass 53 for a soldering iron having means to heat the iron and combined with means to handle flux or solder.
  
[List of Patents for class 126 subclass 414]    414Hydrocarbon reservoir:
 This subclass is indented under subclass 413.  Soldering iron provided with a liquid fuel holding receptacle, usually in the handle, for supplying fuel to the heating burner.
  
[List of Patents for class 126 subclass 500]    500FIREPLACES OR ACCESSORIES:
 This subclass is indented under the class definition.  Subject matter comprising structure for providing a flame within an inhabitable enclosure and which, in one condition of operation, provides visibility of the flame to inhabitants in the enclosure; or auxiliary devices particularly intended to be used with such structure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

298,for andirons used in a fireplace.
  
[List of Patents for class 126 subclass 501]    501Hopper feed of solid fuel:
 This subclass is indented under subclass 500.  Subject matter wherein means are provided to dispense solid combustible material to the flame from a receptacle spaced from the flame.

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10,and see the notes thereunder for other hopper feeds.
  
[List of Patents for class 126 subclass 502]    502Condition responsive control:
 This subclass is indented under subclass 500.  Subject matter including means to sense a condition or change of condition in the environment or in the operation of said structure or device; and said means effects a control function on the operation of said structure or device.
  
[List of Patents for class 126 subclass 503]    503Of fluid fuel feed:
 This subclass is indented under subclass 502.  Subject matter wherein a combustible material providing the flame is a liquid or gas, and wherein said control function affects the rate of flow of said liquid or gas.
  
[List of Patents for class 126 subclass 504]    504Of flue damper:
 This subclass is indented under subclass 502.  Subject matter including an adjustable closure plate in a channel leading from the flame to the exterior of the enclosure, and wherein said control function affects the degree of closure of said channel by said plate.
  
[List of Patents for class 126 subclass 505]    505With article warming shelf on grate:
 This subclass is indented under subclass 500.  Subject matter including a ledge for supporting an object, said ledge being attached to means for holding solid fuel so that said object may be heated by the flame.
  
[List of Patents for class 126 subclass 506]    506With food cooker:
 This subclass is indented under subclass 500.  Subject matter including means supporting or otherwise facilitating the heating of a solid edible material by said flame.

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505,for a shelf attached to a grate to heat objects placed on the shelf.
  
[List of Patents for class 126 subclass 507]    507With filter:
 This subclass is indented under subclass 500.  Subject matter including means to separate solid particles from a fluid entering or leaving the vicinity of the flame.
  
[List of Patents for class 126 subclass 508]    508With room humidifier:
 This subclass is indented under subclass 500.  Subject matter including means to add moisture in the form of vapor to the environment within said inhabitable enclosure.

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113,and 313, for other air moistening devices.

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261Gas and Liquid Contact Apparatus,   for humidifiers, per se.
  
[List of Patents for class 126 subclass 509]    509For heating plural rooms:
 This subclass is indented under subclass 500.  Subject matter including means to direct heat from said flame to another inhabitable enclosure.
  
[List of Patents for class 126 subclass 510]    510Fireplace in dividing wall:
 This subclass is indented under subclass 509.  Subject matter wherein said flame is located in a partition separating said inhabitable enclosures.
  
[List of Patents for class 126 subclass 511]    511Rotatable fire chamber:
 This subclass is indented under subclass 510.  Subject matter wherein means supporting said flame is movable about a vertical axis to permit said flame to be viewed selectively by inhabitants in one or the other of said inhabitable enclosures.
  
[List of Patents for class 126 subclass 512]    512Fluid fuel:
 This subclass is indented under subclass 500.  Subject matter wherein a primary combustible material providing said flame is in the form of a liquid or gas.
(1) Note. While many of the patents relating to open front liquid and gaseous fuel heating stoves in subclasses 86+ and 93+ of this class (126) may belong under subclasses 500+ of this class in a hierarchical placement of patents, subclasses 86+ and 93+ were not made a part of or screened in this project gathering art relating to fireplaces. Thus, subclasses 86+ and 93+ must be searched for patents relating to viewable fires having a liquid or gaseous fuel.

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503,for condition responsive control of the rate of flow of fluid fuel.
  
[List of Patents for class 126 subclass 513]    513With liquid heater:
 This subclass is indented under subclass 500.  Subject matter wherein means to hold a liquid is located near the vicinity of said flame to heat said liquid.

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508,for a heated liquid holder to add humidity to a room.
  
[List of Patents for class 126 subclass 514]    514And means conducting liquid to room heater:
 This subclass is indented under subclass 513.  Subject matter including a conduit providing a flow path for said liquid from said flame vicinity to a heat exchanger located within said inhabitable enclosure.

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509+,for structure for heating plural rooms by a liquid heated in a fireplace.
  
[List of Patents for class 126 subclass 515]    515Inlet air supply from outside fireplace room:
 This subclass is indented under subclass 500.  Subject matter including means providing a flow path for air leading to the vicinity of said flame from a location remote from said inhabitable enclosure.
  
[List of Patents for class 126 subclass 516]    516With air pump:
 This subclass is indented under subclass 515.  Subject matter including a device for moving the air along said flow path.
  
[List of Patents for class 126 subclass 517]    517And air flow regulator:
 This subclass is indented under subclass 516.  Subject matter including means to control the amount of air reaching same flame from said flow path.
  
[List of Patents for class 126 subclass 518]    518With air flow regulator:
 This subclass is indented under subclass 515.  Subject matter including means to control the amount of air reaching same flame from said flow path.

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517,for a flow regulator associated with a pump supplying exterior air.
  
[List of Patents for class 126 subclass 519]    519Circular viewability of flame:
 This subclass is indented under subclass 500.  Subject matter wherein same flame is viewable by inhabitants within said enclosure at any point along a 360° arc surrounding the flame.
  
[List of Patents for class 126 subclass 520]    520Insertable into existing window:
 This subclass is indented under subclass 500.  Subject matter including means accommodating a firebox structure for positioning it in a pre-existing opening constructed to admit light or air to said inhabitable enclosure.
  
[List of Patents for class 126 subclass 521]    521With air pump:
 This subclass is indented under subclass 500.  Subject matter including a device for moving air from an air inlet to the vicinity of the flame.

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516,for an air pump associated with a remote air supply.
  
[List of Patents for class 126 subclass 522]    522Tubular heat exchanger:
 This subclass is indented under subclass 521.  Subject matter including a conduit, generally circular or square in cross-section, in fluid flow communication with same device; said conduit being positioned in proximity to said flame or to hot combustion gases to provide heat exchange between said flame and air flowing through said conduit.
  
[List of Patents for class 126 subclass 523]    523With heat exchanger for room heating air:
 This subclass is indented under subclass 500.  Subject matter including structure for directing inlet air along a defined flow path in contact with a surface heated by the flame or combustion gases, then directing the heated air to the inhabitable enclosure; or structure for directing hot combustion gases through a conduit within the inhabitable enclosure to a heat transmitting surface remote from the flame.

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521+,for heat exchangers associated with an air pump.
  
[List of Patents for class 126 subclass 524]    524Tubular:
 This subclass is indented under subclass 523.  Subject matter wherein said heated surface is generally circular or square in cross-section.
  
[List of Patents for class 126 subclass 525]    525Secondary outlet leads air to flame:
 This subclass is indented under subclass 524.  Subject matter including means defining an opening along said flow path in the vicinity of the flame for injecting air into the flame to aid in combustion.
  
[List of Patents for class 126 subclass 526]    526With air flow regulator:
 This subclass is indented under subclass 524.  Subject matter including means to control the amount of air flowing through said flow path.
  
[List of Patents for class 126 subclass 527]    527Secondary outlet leads air to flame:
 This subclass is indented under subclass 523.  Subject matter including means defining an opening along said flow path in the vicinity of the flame for injecting air into the flame to aid in combustion.

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525,for secondary outlet associated with a tubular heat exchanger.
  
[List of Patents for class 126 subclass 528]    528Air flow path between exterior surface of heat exchanger and facing building surface:
 This subclass is indented under subclass 523.  Subject matter wherein said heated surface is positioned in a location opposite a building wall surface so that said flow path is defined by the building wall surface and the heated surface.
  
[List of Patents for class 126 subclass 529]    529And additional flow path through hollow walled heat exchanger:
 This subclass is indented under subclass 528.  Subject matter wherein structure around said flame includes a wall having plates spaced apart from each other to define a conduit for receiving air from said flow path and directing the air to flow between the plates.
  
[List of Patents for class 126 subclass 530]    530With air flow regulator:
 This subclass is indented under subclass 528.  Subject matter including means to control the amount of air flowing through said flow path.
  
[List of Patents for class 126 subclass 531]    531Hollow side walls in heat exchanger:
 This subclass is indented under subclass 523.  Subject matter wherein said structure includes spaced apart plates along each side of the flame, and said spaced apart plates define a flow path for air along opposite sides of the flame.
  
[List of Patents for class 126 subclass 532]    532With means facilitating ash removal:
 This subclass is indented under subclass 523.  Subject matter and further including a device to facilitate the removal of solid products of combustion from a location beneath the flame.
  
[List of Patents for class 126 subclass 533]    533With air flow regulator:
 This subclass is indented under subclass 523.  Subject matter including means to control the amount of air flowing through said flow path.

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517,518, 526, and 530, for air flow regulation in the specific structure provided for therein.
  
[List of Patents for class 126 subclass 534]    534And adjustable flue damper:
 This subclass is indented under subclass 533.  Subject matter, and further including a closure plate in a channel leading from the flame to the exterior of the enclosure, and wherein means is provided for moving said plate to affect the amount of combusted gases passing through said channel.
  
[List of Patents for class 126 subclass 535]    535And adjustable flue damper:
 This subclass is indented under subclass 523.  Subject matter and further including a closure plate in a channel leading from the flame to the exterior of the enclosure, and wherein means is provided for moving said plate to affect the amount of combusted gases passing through said channel.

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534,for an adjustable flue damper combined with an air flow regulator.
  
[List of Patents for class 126 subclass 536]    536Adjustable flue damper:
 This subclass is indented under subclass 500.  Subject matter including a closure plate in a channel leading from the flame to the exterior of the enclosure, and means for moving said closure plate to affect the amount of combusted gases passing around said plate.

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504,for a condition responsive flue damper; and subclasses 534 and 535 for an adjustable flue damper associated with a fireplace having a heat exchanger.
  
[List of Patents for class 126 subclass 537]    537Screw operator:
 This subclass is indented under subclass 536.  Subject matter wherein said means for moving said closure plate comprises interengaging helical threads relatively rotatable by an inhabitant in said closure.
  
[List of Patents for class 126 subclass 538]    538Variable predetermined positions:
 This subclass is indented under subclass 536.  Subject matter including means holding said closure plate in a plurality of preset positions.
  
[List of Patents for class 126 subclass 539]    539From exterior of front face of fireplace:
 This subclass is indented under subclass 536.  Subject matter wherein said means for moving same closure plate extends into said closure plate extends into said inhabitable enclosure from a position in said channel.
  
[List of Patents for class 126 subclass 540]    540Grate structure:
 This subclass is indented under subclass 500.  Subject matter including means to support a solid combustible material above a floor beneath the flame.
  
[List of Patents for class 126 subclass 541]    541Relatively movable parts:
 This subclass is indented under subclass 540.  Subject matter wherein said combustible material support is formed of plural parts movable with respect to each other for assembly of said support or for adjusting the position or size of said support; or wherein said support is mounted so as to facilitate movement of said support relative to said floor.
  
[List of Patents for class 126 subclass 542]    542Including means facilitating ash removal:
 This subclass is indented under subclass 541.  Subject matter wherein said parts are movable to and fro to dislodge solid products of combustion from said support; or wherein said support is mounted in a manner capable of being tilted to dislodge the products of combustion.

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532,for means facilitating ash removal in combination with heat exchanger structure in a fireplace.
  
[List of Patents for class 126 subclass 543]    543With removable ash pan:
 This subclass is indented under subclass 542.  Subject matter including a receptacle slidable into and out of a position below the combustible material support to facilitate removal of the solid products of combustion.
  
[List of Patents for class 126 subclass 544]    544Front barrier or guard:
 This subclass is indented under subclass 500.  Subject matter including protection means positioned between the flame and the inhabitable enclosure to protect the inhabitable enclosure or inhabitant thereof from the flame, smoke or embers.

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298,for andirons used in a fireplace.

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160Flexible or Portable Closure, Partition, or Panel,   appropriate subclasses for barriers or partitions wherein specific fireplace features or relationships are not claimed.
  
[List of Patents for class 126 subclass 545]    545With particular seal:
 This subclass is indented under subclass 544.  Subject matter wherein significance is attributed to means for preventing air or smoke seepage between abutting surfaces on said protection means and structure surrounding said flame.
  
[List of Patents for class 126 subclass 546]    546Vertically adjustable:
 This subclass is indented under subclass 544.  Subject matter wherein said protective means is provided with structure to alter the vertical distance between a bottom edge of said protective means and a hearth portion extending from beneath the flame.
  
[List of Patents for class 126 subclass 547]    547Solid front cover:
 This subclass is indented under subclass 544.  Subject matter wherein said protection means comprises an imperforate barrier between the flame and the inhabitable enclosure.
  
[List of Patents for class 126 subclass 548]    548And perforated screen:
 This subclass is indented under subclass 547.  Subject matter and further comprising an apertured barrier between the flame and the inhabitable enclosure.
  
[List of Patents for class 126 subclass 549]    549And auxiliary air flow adjuster:
 This subclass is indented under subclass 547.  Subject matter wherein a wall portion beneath said imperforate barrier includes means to regulate the amount of air admitted to the flame when the barrier is closed.

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517,and 518, for air flow regulators used in conjunction with exterior air, and subclasses 526, 530 and 533+ for air regulators used to adjust flow through a heat exchanger.
  
[List of Patents for class 126 subclass 550]    550Smoke collecting hood:
 This subclass is indented under subclass 544.  Subject matter wherein said protection means comprises means extending into the inhabitable enclosure from the front, upper face of structure surrounding the flame to prevent smoke from dispersing into the enclosure.
  
[List of Patents for class 126 subclass 551]    551Screen slidable on track:
 This subclass is indented under subclass 544.  Subject matter wherein said protection means comprises a barrier supported for opening and closing movement along a horizontally extending guideway.
  
[List of Patents for class 126 subclass 552]    552Heat reflecting structure:
 This subclass is indented under subclass 500.  Subject matter wherein significance is attributed to the material or configuration of a wall surface for throwing heat from the flame into the inhabitable enclosure.
  
[List of Patents for class 126 subclass 553]    553Adjustable:
 This subclass is indented under subclass 552.  Subject matter wherein said wall surface is movable into any of a plurality of positions.
  
[List of Patents for class 126 subclass 554]    554With means facilitating ash removal:
 This subclass is indented under subclass 500.  Subject matter including a device to facilitate removal of solid products of combustion from a location beneath the flame.

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532,for ash removal facilities in a heat exchanger fireplace environment, and subclasses 542+ for ash removal facilities in combination with a grate.
  
[List of Patents for class 126 subclass 555]    555Removable ash pan:
 This subclass is indented under subclass 554.  Subject matter wherein said device comprises a receptacle slidable into and out of a position below the flame.
  
[List of Patents for class 126 subclass 561]    561SOLAR HEAT COLLECTOR FOR POND OR POOL:
 This subclass is indented under the class definition.  Apparatus wherein a device to collect the heat of solar radiation includes means to transfer the heat from the device to an open body of liquid in the ground (i.e., pond) or to a body of water normally used for swimming (i.e., pool).

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4Baths, Closets, Sinks, and Spittoons,   subclasses 487 and 488+ for pool structure, per se.
  
[List of Patents for class 126 subclass 562]    562Including auxiliary source for adding heat to pool:
 This subclass is indented under subclass 561.  Apparatus and further including a heater other than solar for providing additional heat to water in the pool.

Image 1 for class 126 subclass 562

  
[List of Patents for class 126 subclass 563]    563Remotely located from pool:
 This subclass is indented under subclass 561.  Apparatus in which the device is spaced away from the pool.

A solar heating system for a swimming pool and the like isdisclosed.  The system includes a circulation circuit having a pumpby which water is withdrawn from the pool, passed through a filter,and returned to the pool.  A solar collector assembly is providedand has flow and return lines connected in said circuit.

A solar heating system for a swimming pool and the like isdisclosed. The system includes a circulation circuit having a pumpby which water is withdrawn from the pool, passed through a filter,and returned to the pool. A solar collector assembly is providedand has flow and return lines connected in said circuit.

  
[List of Patents for class 126 subclass 564]    564Within pool water:
 This subclass is indented under subclass 561.  Apparatus wherein the device is totally submerged in the pool water.

Image 1 for class 126 subclass 564

  
[List of Patents for class 126 subclass 565]    565On pool water surface:
 This subclass is indented under subclass 561.  Apparatus wherein at least a portion of the device contacts the surface of the pool water.

Image 1 for class 126 subclass 565

  
[List of Patents for class 126 subclass 566]    566Pool cover is collector:
 This subclass is indented under subclass 565.  Apparatus wherein the device serves an additional function of concealing or protecting the pool.
(1) Note. Pool cover may cover or protect only part of the pool area.

Image 1 for class 126 subclass 566

SEE OR SEARCH CLASS:

4Baths, Closets, Sinks, and Spittoons,   subclasses 498+ for pool cover, per se.
  
[List of Patents for class 126 subclass 567]    567With means to extract heat from pond liquid:
 This subclass is indented under subclass 561.  Apparatus and further including means to transfer heat from the liquid in the pond to a heat utilization area.

Image 1 for class 126 subclass 567

  
[List of Patents for class 126 subclass 568]    568In contact with pond liquid:
 This subclass is indented under subclass 561.  Apparatus wherein the device touches the liquid in the pond.

Image 1 for class 126 subclass 568

  
[List of Patents for class 126 subclass 569]    569SOLAR HEAT COLLECTOR:
 This subclass is indented under the class definition.  Apparatus having (1) means to direct solar radiation and support means for an article to be heated by the directed radiation or (2) means to convert solar radiation to heat.
(1) Note. The "means" of clause (2) may be combined with (a) means to concentrate or direct solar radiation to the converting means, or (b) a spaced cover or enclosure for the converting means, or (c) a means to utilize the heat to heat a fluent medium (i.e., a gas, liquid, or a flowable solid), or (d) a support for the converting means.

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400,for means, per se, for storing heat which may have been derived from a solar collector.

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23Chemistry: Physical Processes,   subclass 295 for subject matter utilizing solar energy for crystallizing a substance.
29Metal Working,   subclass 890.033 for making solar energy device.
34Drying and Gas or Vapor Contact With Solids,   subclass 93 for subject matter utilizing solar energy to dry material.
47Plant Husbandry,   subclasses 17 , 59, and 65 for a greenhouse or other structure with specific means for holding or growing a plant in combination with solar heating means for the greenhouse or plant.
52Static Structures (e.g., Buildings),   for a building structure, per se.
60Power Plants,   subclasses 641.1+ for a power plant operated by means of heat from the sun.
62Refrigeration,   subclass 235.1 for a refrigeration system utilizing solar energy.
136Batteries: Thermoelectric and Photoelectric,   subclass 206 for electric power generator utilizing solar energy; and subclasses 243+ for a solar concentrator, orientator, or reflector in combination therewith which changes solar radiation into electrical energy. Where the sole disclosure of the collector is a Class 136 device and is claimed broadly, classification is in Class 136. For a disclosure of diverse collectors classifiable in different classes and claimed merely as a collector, classification is in Class 126. When a Class 136 collector is claimed, classification is in Class 136.
159Concentrating Evaporators,   subclasses 1.1 and 902+ for a concentrator utilizing solar energy.
165Heat Exchange,   especially subclasses 48 .1 and 48.2 for a combined heating and cooling means which utilizes solar energy.
202Distillation: Apparatus,   subclass 234 for distillation by solar energy.
203Distillation: Processes, Separatory,   Digest 1 and subclasses 10 and 100 for a distillation process utilizing solar energy.
237Heating Systems,   for a method, apparatus for heating a room, chamber, house, or other enclosing structure wherein the source of heat claimed is other than a solar collector.
244Aeronautics and Astronautics,   subclass 168 for control of attitude of a spacecraft by solar pressure.
323Electricity: Power Supply or Regulation Systems,   subclass 906 for subject matter utilizing solar energy.
359Optical: Systems and Elements,   subclasses 619+ and 642+ for a lense; and subclasses 871+ for a reflector, per se, used to concentrate solar energy.
422Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,   subclasses 22+ for subject matter utilizing solar energy.
428Stock Material or Miscellaneous Articles,   for a particular coating or surface preparation for absorbing solar energy.
  
[List of Patents for class 126 subclass 570]    570Having external damage preventer:
 This subclass is indented under subclass 569.  Apparatus having a structure designed to withstand or otherwise obstruct the impact of a means external of the converting means which might damage the converting means were it not for the presence of the structure.

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572+,for internal damage prevention, e.g., pressure, temperature, etc.
  
[List of Patents for class 126 subclass 571]    571Comprising movable support:
 This subclass is indented under subclass 570.  Apparatus wherein the structure to withstand or otherwise obstruct impact carries the weight of the converting means and is designed to permit physical adjustment of the converting means.

A solar concentrator is disclosed herein and includes a modularizedpoint focusing solar concentrating panel which is movably mountedto track the sun.  This panel has an overall parabolic reflectingsurface and a triangular or approximately triangular configurationwhich improves structural integrity, minimizes wind resistance,and permits rapid and easy stowing.

A solar concentrator is disclosed herein and includes a modularizedpoint focusing solar concentrating panel which is movably mountedto track the sun. This panel has an overall parabolic reflectingsurface and a triangular or approximately triangular configurationwhich improves structural integrity, minimizes wind resistance,and permits rapid and easy stowing.

  
[List of Patents for class 126 subclass 572]    572With control means energized in response to actuator stimulated by condition sensor:
 This subclass is indented under subclass 569.  Apparatus having a device for sensing ambient condition, condition within the converting means, or sensing a condition of a fluent medium as it passes into, through, or from the converting means and operates to affect the fluent in some manner (e.g., as by affecting its flow, pressure, or temperature) or to operate a structure to block or permit more or less of the available solar radiation to reach the converting means or to move the converting means depending on the position of the sun.
  
[List of Patents for class 126 subclass 573]    573Including sun position tracking sensor:
 This subclass is indented under subclass 572.  Apparatus including a supporting base wherein the sensing means is adapted to follow the sun and activate structure to move the converting means with respect to the base according to the position of the sun.

A focusing solar collector which utilizes an elongated parabolicshaped mirror made from a sheet of drapable material so that whendraped in a catenary-like curved configuration, the sun"srays may be focused on a linear target which is axially alignedwith the axis of the mirror.  Means are provided for adjusting theangle of the drape of the catenary-like curve in order to maintainthe focus of the sun"s rays on the linear target as therelative diurnal positions of the sun to the collector changes. The optimum catenary like curve for the range of the drape anglesinvolved is achieved by using a nonlinear distribution of weightalong the cross-section of the draped mirror material.

A focusing solar collector which utilizes an elongated parabolicshaped mirror made from a sheet of drapable material so that whendraped in a catenary-like curved configuration, the sun"srays may be focused on a linear target which is axially alignedwith the axis of the mirror. Means are provided for adjusting theangle of the drape of the catenary-like curve in order to maintainthe focus of the sun"s rays on the linear target as therelative diurnal positions of the sun to the collector changes. The optimum catenary like curve for the range of the drape anglesinvolved is achieved by using a nonlinear distribution of weightalong the cross-section of the draped mirror material.

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600,for a device for repositioning of solar collector for optimum radiation exposure without a condition responsive control.

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250Radiant Energy,   subclass 203.4 for a tracking system, per se, which may be used for moving a solar collector to follow the sun.
353Optics: Image Projectors,   subclass 3 for a heliostat.
  
[List of Patents for class 126 subclass 574]    574With computer:
 This subclass is indented under subclass 573.  Apparatus which further includes a unit capable of processing, retrieving, and storing programmed information.
  
[List of Patents for class 126 subclass 575]    575With timer:
 This subclass is indented under subclass 573.  Apparatus which further includes an instrument for measuring intervals of time to move the converting means.
  
[List of Patents for class 126 subclass 576]    576With motor:
 This subclass is indented under subclass 573.  Apparatus wherein means to operate the structure includes an engine.
  
[List of Patents for class 126 subclass 577]    577With gear:
 This subclass is indented under subclass 576.  Apparatus wherein means to operate the structure includes an input member which transmits motion to an output member by rolling contact between surfaces of the members, and wherein the input member is driven by an engine.
  
[List of Patents for class 126 subclass 578]    578Electronic sensor:
 This subclass is indented under subclass 573.  Apparatus wherein the sensing means includes a device that determines or measures change in the electrical property of a material.
  
[List of Patents for class 126 subclass 579]    579Fluid expansion sensor:
 This subclass is indented under subclass 573.  Apparatus wherein the sensing means includes a device which detects change in volume of a liquid or gas.

A solar collector includes a plurality of elongated parallelreflectors mounted for rotation about their respective longitudinalaxes, together with mechanism coupled to the reflectors for simultaneouslyrotating the same.  An elongated absorber is arranged parallel tothe reflectors for collecting solar radiation focussed thereon bythe reflectors.  Tracking means including two solar sensor reservoirscontaining a vaporizable/condensible liquid working mediumis provided for rotation of the reflectors to control the focussingof solar radiation on the absorber.

A solar collector includes a plurality of elongated parallelreflectors mounted for rotation about their respective longitudinalaxes, together with mechanism coupled to the reflectors for simultaneouslyrotating the same. An elongated absorber is arranged parallel tothe reflectors for collecting solar radiation focussed thereon bythe reflectors. Tracking means including two solar sensor reservoirscontaining a vaporizable/condensible liquid working mediumis provided for rotation of the reflectors to control the focussingof solar radiation on the absorber.

  
[List of Patents for class 126 subclass 580]    580Gas:
 This subclass is indented under subclass 579.  Apparatus wherein the device detects change in volume of a gas.
  
[List of Patents for class 126 subclass 581]    581Solid expansion sensor:
 This subclass is indented under subclass 573.  Apparatus wherein the sensing means includes a device which detects change in the volume of a solid material.

A solar energy conversion device is provided with simplifiedmeans for tracking a source of solar energy.  In the preferred embodiment,the tracking means is a predeterminedly shaped, heat expandabledevice operatively connected to an energy concentrator.  The energy concentratoris movably mounted and is adapted to direct concentrated energyeither towards a suitable energy conversion means in those positionsin which the concentration is aligned with respect to the solarenergy source, or towards the expandable device in those positionsin which the concentrator is misaligned with respect to the solarenergy source.  Application of concentrated solar energy to theexpandable device causes its expansion, which expansion is utilizedto move the concentrator into alignment with the energy source. At alignment, concentrated energy is directed from the expandabledevice toward the energy conversion means.

A solar energy conversion device is provided with simplifiedmeans for tracking a source of solar energy. In the preferred embodiment,the tracking means is a predeterminedly shaped, heat expandabledevice operatively connected to an energy concentrator. The energy concentratoris movably mounted and is adapted to direct concentrated energyeither towards a suitable energy conversion means in those positionsin which the concentration is aligned with respect to the solarenergy source, or towards the expandable device in those positionsin which the concentrator is misaligned with respect to the solarenergy source. Application of concentrated solar energy to theexpandable device causes its expansion, which expansion is utilizedto move the concentrator into alignment with the energy source. At alignment, concentrated energy is directed from the expandabledevice toward the energy conversion means.

  
[List of Patents for class 126 subclass 582]    582Phase change sensor:
 This subclass is indented under subclass 573.  Apparatus wherein the sensing means includes a device which detects a transformation of state of substance (e.g., from solid to liquid or from liquid to gas).
  
[List of Patents for class 126 subclass 583]    583Of fluent medium:
 This subclass is indented under subclass 572.  Apparatus wherein the sensing means operates a device to affect the fluent medium.
  
[List of Patents for class 126 subclass 584]    584Pressure responsive:
 This subclass is indented under subclass 583.  Apparatus wherein the sensed condition is the pressure of the fluent medium.
  
[List of Patents for class 126 subclass 585]    585Temperature responsive:
 This subclass is indented under subclass 583.  Apparatus wherein the sensed condition is the temperature of the fluent medium.
  
[List of Patents for class 126 subclass 586]    586Set point control:
 This subclass is indented under subclass 585.  Apparatus wherein at a predetermined temperature of the fluent medium, the fluent affecting device is operated.
  
[List of Patents for class 126 subclass 587]    587Differential temperature control:
 This subclass is indented under subclass 585.  Apparatus wherein a difference between two temperatures is measured and in response to such measurement, a device is actuated to such measurement, a device is actuated to operate a function of the converting means.

Solar heating system.  A solar connector.  A double storagedevice connected to the collector to provide coolest possible heattransport medium at beginning of each day"s collectionand to control collector input temperature hence maximum collectionefficiency. The first storage device has a capacity for approximatelyone day"s operation.  The second storage device has a capacityfor several days" operation.  The operation of the storagedevices are controlled so that the first storage device is heatedfirst and when the first storage device is heated sufficiently thenthe second storage device is heated.  The operation of the storagedevice is used first for heating and when the first storage deviceis depleted of useable heat then the second storage device is used.

Solar heating system. A solar connector. A double storagedevice connected to the collector to provide coolest possible heattransport medium at beginning of each day"s collectionand to control collector input temperature hence maximum collectionefficiency. The first storage device has a capacity for approximatelyone day"s operation. The second storage device has a capacityfor several days" operation. The operation of the storagedevices are controlled so that the first storage device is heatedfirst and when the first storage device is heated sufficiently thenthe second storage device is heated. The operation of the storagedevice is used first for heating and when the first storage deviceis depleted of useable heat then the second storage device is used.

  
[List of Patents for class 126 subclass 588]    588Freezing prevention:
 This subclass is indented under subclass 585.  Apparatus wherein in response to the sensed temperature condition, a device is actuated to prevent the fluent medium from changing to its solid state.

A self-storing solar heater is disclosed installed on a housetrailer with the heater being extendable over a portion of the roofof the trailer to receive the rays of the sun during the day andis stored in a heated compartment on cold days and nights to preventthe water in the solar heater from freezing. A thermostaticallycontrolled motor driven reel retracts the solar heater into theheated storage compartment and a pulley system actuated by the samemotor extends the solar heater when heating rays are available fromthe sun.

A self-storing solar heater is disclosed installed on a housetrailer with the heater being extendable over a portion of the roofof the trailer to receive the rays of the sun during the day andis stored in a heated compartment on cold days and nights to preventthe water in the solar heater from freezing. A thermostaticallycontrolled motor driven reel retracts the solar heater into theheated storage compartment and a pulley system actuated by the samemotor extends the solar heater when heating rays are available fromthe sun.

  
[List of Patents for class 126 subclass 589]    589Overheating prevention:
 This subclass is indented under subclass 585.  Apparatus wherein in response to the sensed temperature condition, a device is actuated to prevent the fluent medium from getting overheated.
  
[List of Patents for class 126 subclass 590]    590Fluid level responsive:
 This subclass is indented under subclass 583.  Apparatus wherein the sensed condition is the location of the surface of the fluent medium relative to its container.

Image 1 for class 126 subclass 590

  
[List of Patents for class 126 subclass 591]    591Of fluid flow:
 This subclass is indented under subclass 583.  Apparatus wherein in response to the sensed condition the fluid is affected in some manner (e.g., as by affecting its flow or temperature or pressure).

Image 1 for class 126 subclass 591

  
[List of Patents for class 126 subclass 592]    592Liquid:
 This subclass is indented under subclass 591.  Apparatus wherein the fluent medium is liquid.
  
[List of Patents for class 126 subclass 593]    593Of collector:
 This subclass is indented under subclass 572.  Apparatus wherein the sensing means operates a device to affect the solar heat unit.
  
[List of Patents for class 126 subclass 594]    594Pressure responsive:
 This subclass is indented under subclass 593.  Apparatus wherein the sensed condition is the pressure within the apparatus.
  
[List of Patents for class 126 subclass 595]    595Temperature responsive:
 This subclass is indented under subclass 593.  Apparatus wherein the sensed condition is the temperature within the apparatus.

Image 1 for class 126 subclass 595

  
[List of Patents for class 126 subclass 596]    596Set point control:
 This subclass is indented under subclass 595.  Apparatus wherein at a predetermined temperature within the apparatus, the apparatus affecting device is operated.

A solar heating system is provided which utilizes the sun"srays to heat fluid in a solar panel, which heated fluid is releasedto a storage tank when it reaches a predetermined temperature, andwhere it is available for withdrawal from the tank for heat exchangeas desired.

A solar heating system is provided which utilizes the sun"srays to heat fluid in a solar panel, which heated fluid is releasedto a storage tank when it reaches a predetermined temperature, andwhere it is available for withdrawal from the tank for heat exchangeas desired.

  
[List of Patents for class 126 subclass 597]    597Differential temperature control:
 This subclass is indented under subclass 595.  Apparatus wherein a difference between two temperatures is measured and in response to such measurement, a device is actuated to operate a function of the apparatus.
  
[List of Patents for class 126 subclass 598]    598Freezing prevention:
 This subclass is indented under subclass 595.  Apparatus wherein in response to the sensed temperature condition, a device is actuated to protect the apparatus against damage due to cold weather.
  
[List of Patents for class 126 subclass 599]    599Overheating prevention:
 This subclass is indented under subclass 595.  Apparatus wherein in response to the sensed temperature condition, a device is actuated to protect the apparatus from damage due to excessive heat build-up within the apparatus.
  
[List of Patents for class 126 subclass 600]    600With means to reposition solar collector for optimum radiation exposure:
 This subclass is indented under subclass 569.  Apparatus wherein an actuating device moves the apparatus to permit a desired amount of solar radiation to be received by the apparatus.
(1) Note. The actuating device does not include sensor.

A heliostat comprises a tubular chassis having a triangularbase mounted to pivot about a substantially vertical axis and providedwith an oblique support mounted at a point of the triangular basein order to pivot about a horizontal axis.  A reflecting panel ispivoted on the base and is slidably attached to an oblique bar in orderto fix the panel to the base and orientate the latter as regardsaltitude.  Wheels are provided on the base to enable the chassisto travel on a circular track for orientation as regards azimuth. An application for the heliostat is the recovery of solar energy.

A heliostat comprises a tubular chassis having a triangularbase mounted to pivot about a substantially vertical axis and providedwith an oblique support mounted at a point of the triangular basein order to pivot about a horizontal axis. A reflecting panel ispivoted on the base and is slidably attached to an oblique bar in orderto fix the panel to the base and orientate the latter as regardsaltitude. Wheels are provided on the base to enable the chassisto travel on a circular track for orientation as regards azimuth. An application for the heliostat is the recovery of solar energy.

SEE OR SEARCH THIS CLASS, SUBCLASS:

573,for sun"s position tracking using sensor.

SEE OR SEARCH CLASS:

250Radiant Energy,   subclass 203.4 for tracking systems, per se, which may be used for moving a solar collector to follow the sun.
353Optics: Image Projectors,   subclass 3 for a heliostat.
  
[List of Patents for class 126 subclass 601]    601Computer:
 This subclass is indented under subclass 600.  Apparatus wherein the actuating device is a unit which is capable of processing, retrieving, and storing programmed information.

A central computer calculates a commanded position for particulartime of particular day for the particular location of the body. A microprocessor incorporating respective software and hardwarethen calculates the position for the heliostat.

A central computer calculates a commanded position for particulartime of particular day for the particular location of the body. A microprocessor incorporating respective software and hardwarethen calculates the position for the heliostat.

  
[List of Patents for class 126 subclass 602]    602Timer:
 This subclass is indented under subclass 600.  Apparatus wherein the actuating device includes an instrument which measures interval of time to move the apparatus an incremented amount.

Image 1 for class 126 subclass 602

  
[List of Patents for class 126 subclass 603]    603Electric:
 This subclass is indented under subclass 602.  Apparatus wherein the instrument is powered by electricity.
  
[List of Patents for class 126 subclass 604]    604Having fluid power:
 This subclass is indented under subclass 600.  Apparatus wherein the force for moving the actuating device is from a liquid or gas.

The present invention relates to automatic thermal/hydrauliclogic system for continuously positioning a heliostat in alignmentwith the sun in both horizontal and vertical planes.  Solar radiationis monitored by phials which produce signal pressures of a magnitudethat varies with phial exposure to the rays of the sun.  The producedsignal pressures  are directed to thermally controlled valves whichare compared with mechanically controlled valves of similar designfeature.  These control valves are centered so long as hydraulicfluid pressure signals on each end of a control valve are equal,but the valve spool is displaced to the left or to the right if andwhen a pressure differential is created (improper alignment).  Whena specific differential sets in, a mechanical action takes placewhich moves the heliostat to its proper concentrating position. Movement ceases when the differential disappears (proper alignment).

The present invention relates to automatic thermal/hydrauliclogic system for continuously positioning a heliostat in alignmentwith the sun in both horizontal and vertical planes. Solar radiationis monitored by phials which produce signal pressures of a magnitudethat varies with phial exposure to the rays of the sun. The producedsignal pressures are directed to thermally controlled valves whichare compared with mechanically controlled valves of similar designfeature. These control valves are centered so long as hydraulicfluid pressure signals on each end of a control valve are equal,but the valve spool is displaced to the left or to the right if andwhen a pressure differential is created (improper alignment). Whena specific differential sets in, a mechanical action takes placewhich moves the heliostat to its proper concentrating position. Movement ceases when the differential disappears (proper alignment).

  
[List of Patents for class 126 subclass 605]    605Motor:
 This subclass is indented under subclass 600.  Apparatus wherein the actuating device includes an engine.
  
[List of Patents for class 126 subclass 606]    606Gearing:
 This subclass is indented under subclass 605.  Apparatus wherein the actuating device includes an input member which transmits motion to an output member by rolling contact between surfaces of the members, and wherein the input member is driven by an engine.

Image 1 for class 126 subclass 606

  
[List of Patents for class 126 subclass 607]    607Gearing:
 This subclass is indented under subclass 600.  Apparatus wherein the actuating device includes an input member which transmits motion to an output member by rolling contact between surfaces of the members.
  
[List of Patents for class 126 subclass 608]    608Manual:
 This subclass is indented under subclass 600.  Apparatus wherein the actuating device is operated through application of force exerted by a human operator.

Image 1 for class 126 subclass 608

  
[List of Patents for class 126 subclass 609]    609With auxiliary heat source for fluent medium:
 This subclass is indented under subclass 569.  Apparatus which further includes a heater other than solar to add thermal energy to the fluent medium.

Image 1 for class 126 subclass 609

SEE OR SEARCH CLASS:

62Refrigeration,   subclass 235.1 for a solar heater providing a heat sink for a heat pump or providing a heat source required for refrigeration (e.g., boils refrigerant in an absorption system).
165Heat Exchange,   subclasses 48 .1-48.2 and other appropriate subclasses for a combined heating and cooling means wherein the heating means may be a solar heater.
237Heating Systems,   subclass 1 for methods and apparatus for heating rooms, chambers, houses, and other enclosing structures where the source of heat claimed is other than a solar collector.
  
[List of Patents for class 126 subclass 610]    610In a tank:
 This subclass is indented under subclass 609.  Apparatus wherein the heater is located within a storage reservoir containing the fluent medium.

Heater comprises a container divided into upper and lowerchambers by a perforated plate.  The container is connected to receiveheated liquid from a solar collector and deliver it to radiatorsor the like. The container is equipped with an electrical heatingcoil for further heating the liquid when the solar heat supply isinadequate.

Heater comprises a container divided into upper and lowerchambers by a perforated plate. The container is connected to receiveheated liquid from a solar collector and deliver it to radiatorsor the like. The container is equipped with an electrical heatingcoil for further heating the liquid when the solar heat supply isinadequate.

  
[List of Patents for class 126 subclass 611]    611In a heat exchanger:
 This subclass is indented under subclass 609.  Apparatus wherein the heater is located within a device that transfers heat from one fluid to another without mixture of the fluids.
  
[List of Patents for class 126 subclass 612]    612In the collector:
 This subclass is indented under subclass 609.  Apparatus wherein the heater is located within the enclosure for the converting means.

Image 1 for class 126 subclass 612

  
[List of Patents for class 126 subclass 613]    613Heat pump:
 This subclass is indented under subclass 609.  Apparatus wherein the heater is a device that has both a refrigerating mode and a heating mode, and the heating mode of the device is used as the heater for the fluent medium.

Image 1 for class 126 subclass 613

  
[List of Patents for class 126 subclass 614]    614Fireplace:
 This subclass is indented under subclass 609.  Apparatus wherein the heater includes structure for providing a flame within an inhabitable enclosure and which, in one condition of operation, provides visibility of the flame to inhibitants in the enclosure and heat to the fluent medium.

Image 1 for class 126 subclass 614

  
[List of Patents for class 126 subclass 615]    615Water heater:
 This subclass is indented under subclass 609.  Apparatus wherein the heater is a device that has an additional function of providing heated water for heating an inhabitable enclosure.
  
[List of Patents for class 126 subclass 616]    616Hot air furnace:
 This subclass is indented under subclass 609.  Apparatus wherein the heater is a device which has an additional function of providing heated air for heating an inhabitable enclosure.
  
[List of Patents for class 126 subclass 617]    617With heat storage mass:
 This subclass is indented under subclass 569.  Apparatus which further includes a quantity of solid material which is heated by the fluent medium during periods when solar radiation is received and which, in turn, liberates its heat at other periods of time.
  
[List of Patents for class 126 subclass 618]    618Phase change:
 This subclass is indented under subclass 617.  Apparatus wherein the material undergoes change in state from solid to liquid or from liquid to solid.

A thermal energy storage system comprising a germaniumphase change material and a graphite container.

A thermal energy storage system comprising a germaniumphase change material and a graphite container.

  
[List of Patents for class 126 subclass 619]    619Specific chemical:
 This subclass is indented under subclass 617.  Apparatus wherein significance is attributed to the elemental composition of the material.
(1) Note. A patent proper for this subclass will have at least one claim wherein the material is identified by its chemical name.

Thermal energy storage systems employing metal hydridesare useful for storing thermal energy produced, for example, bysolar radiation.  The metal hydrides, examples of which includeFeTiH and the VH-VH subscript 2 reaction system, evidenceease of reversibility of the metal hydrogen reaction and have relativelyhigh heats of formation.  An additional advantage of the metal hydridesover other thermal storage materials is that the metal hydridespermit a greater degree of control to be exercised over the rateof heat evolution when needed.

Thermal energy storage systems employing metal hydridesare useful for storing thermal energy produced, for example, bysolar radiation. The metal hydrides, examples of which includeFeTiH and the VH-VH2 reaction system, evidenceease of reversibility of the metal hydrogen reaction and have relativelyhigh heats of formation. An additional advantage of the metal hydridesover other thermal storage materials is that the metal hydridespermit a greater degree of control to be exercised over the rateof heat evolution when needed.

  
[List of Patents for class 126 subclass 620]    620Rocks or soil:
 This subclass is indented under subclass 617.  Apparatus wherein the material includes a relatively hard naturally formed mass of mineral or petrified matter or earth.
(1) Note. A patent proper for this subclass will have at least one claim wherein the material is identified as being rocks or stones, or being a combination, or fragmented rocks (i.e., sand or gravel), or soil.

A double-walled structure utilizes air as the heat transfermedium between solar-heated outer walls and either the interiorspace or heat storage means beneath the structure.  A load-bearinglayer of gravel supporting the floor and subterranean gravel pitsform the heat storage means.  In summer, during the day, solar-heatedair gives up heat to the storage means; at  night, heat is radiatedto the atmosphere and thus-cooled air is used for daytime coolingby storage either in the gravel pits or the gravel layer supportingthe building floor.  In winter, air is heated in the storage meansfor interior circulation and, when available during daylight hours,solar-heated air may be used directly or temporarily stored fornightime use.  Cold air can also be stored during winter monthsin separate storage means for additional summer cooling capacity.

A double-walled structure utilizes air as the heat transfermedium between solar-heated outer walls and either the interiorspace or heat storage means beneath the structure. A load-bearinglayer of gravel supporting the floor and subterranean gravel pitsform the heat storage means. In summer, during the day, solar-heatedair gives up heat to the storage means; at night, heat is radiatedto the atmosphere and thus-cooled air is used for daytime coolingby storage either in the gravel pits or the gravel layer supportingthe building floor. In winter, air is heated in the storage meansfor interior circulation and, when available during daylight hours,solar-heated air may be used directly or temporarily stored fornightime use. Cold air can also be stored during winter monthsin separate storage means for additional summer cooling capacity.

  
[List of Patents for class 126 subclass 621]    621Solar collector forms part of building roof:
 This subclass is indented under subclass 569.  Apparatus wherein the converting means is made an integral part of a structure which provides a top cover of a building.

Solar heating system, wherein solar heating assemblies areadapted to form the roof of a structure.  The solar heating assembliesmay not occupy the entire surface area of a roof, but the uppersheathing elements of the solar heating assemblies may extend overthe entire roof area so that no other provision for roofing of thestructure is necessary.

Solar heating system, wherein solar heating assemblies areadapted to form the roof of a structure. The solar heating assembliesmay not occupy the entire surface area of a roof, but the uppersheathing elements of the solar heating assemblies may extend overthe entire roof area so that no other provision for roofing of thestructure is necessary.

  
[List of Patents for class 126 subclass 622]    622Solar collector includes roof shingles or tiles:
 This subclass is indented under subclass 621.  Apparatus wherein the structure includes a plurality of overlapping pieces of material laid in rows.

A form-molded synthetic foam roofing section or structurehaving a solar-collecting insert or panel incorporated therein witha relatively broad undersurface and an exposed surface configuredto resemble interlocked and overlapping roofing shingles which areunited to support a surface such as wood, metal, etc. during themolding process.  The roofing structure may be affixed by any conventionalmeans, such as nails or adhesives, to roof boards, rafters, or overold existing roof structure with adjacent roofing section interconnectedby appropriate inlets and outlets for the solar panel insert.  Solar heat-collectingfluid may be circulated through the solar panel inserts in a conventionalmanner.  Connecting tubes are provided for connecting the solarpanel inserts in adjacent roofing sections and terminal connectorsare compatible with all circulating systems.

A form-molded synthetic foam roofing section or structurehaving a solar-collecting insert or panel incorporated therein witha relatively broad undersurface and an exposed surface configuredto resemble interlocked and overlapping roofing shingles which areunited to support a surface such as wood, metal, etc. during themolding process. The roofing structure may be affixed by any conventionalmeans, such as nails or adhesives, to roof boards, rafters, or overold existing roof structure with adjacent roofing section interconnectedby appropriate inlets and outlets for the solar panel insert. Solar heat-collectingfluid may be circulated through the solar panel inserts in a conventionalmanner. Connecting tubes are provided for connecting the solarpanel inserts in adjacent roofing sections and terminal connectorsare compatible with all circulating systems.

  
[List of Patents for class 126 subclass 623]    623Solar collector supported on existing roof structure:
 This subclass is indented under subclass 569.  Apparatus wherein the converting means is completely mounted on a roof exterior of the building.

The invention relates to a roof and wall covering, in particularfor heat-insulating house walls or roofs, consisting of board-likehollow plastic sections with several through profile chambers extendingin longitudinal direction and of edge profiles insertable flushinto each other.

The invention relates to a roof and wall covering, in particularfor heat-insulating house walls or roofs, consisting of board-likehollow plastic sections with several through profile chambers extendingin longitudinal direction and of edge profiles insertable flushinto each other.

  
[List of Patents for class 126 subclass 624]    624Rollable or foldable collector unit of nonrigid material:
 This subclass is indented under subclass 569.  Apparatus wherein the converting means is made of a pliable material which may be overlapped upon itself for storage.
  
[List of Patents for class 126 subclass 625]    625Fluent medium is gas:
 This subclass is indented under subclass 624.  Apparatus wherein the fluent medium is a gaseous substance.

Method and apparatus for converting solar radiation to thermalenergy for heating a gaseous stream such as air to be used for heatingor drying purposes.  The air or other gaseous passage defined byplastic film formed of solar radiation absorbing or opaque (black)material and the film is inflated by the fluid pressure for thegaseous stream passing therethrough.

Method and apparatus for converting solar radiation to thermalenergy for heating a gaseous stream such as air to be used for heatingor drying purposes. The air or other gaseous passage defined byplastic film formed of solar radiation absorbing or opaque (black)material and the film is inflated by the fluid pressure for thegaseous stream passing therethrough.

  
[List of Patents for class 126 subclass 626]    626Fluent medium is water:
 This subclass is indented under subclass 624.  Apparatus wherein the fluent medium is water.

Image 1 for class 126 subclass 626

  
[List of Patents for class 126 subclass 627]    627Foldable collector unit of rigid material:
 This subclass is indented under subclass 569.  Apparatus wherein adjacent parts of the converting means are made of inflexible material and are connected to each other, and having structure permitting the parts to be doubled upon themselves for storage.

Image 1 for class 126 subclass 627

  
[List of Patents for class 126 subclass 628]    628Including means to utilize fluent medium from collector to heat interior of building:
 This subclass is indented under subclass 569.  Apparatus having a means by which the heat of solar radiation is transferred via the fluent medium to heat the space enclosed by a building.
  
[List of Patents for class 126 subclass 629]    629With device to circulate air from room of building through collector:
 This subclass is indented under subclass 628.  Apparatus which includes a machine to move air from the space enclosed by the building through the converting means.

Image 1 for class 126 subclass 629

  
[List of Patents for class 126 subclass 630]    630Plural circulators:
 This subclass is indented under subclass 629.  Apparatus which includes more than one machine.
  
[List of Patents for class 126 subclass 631]    631Circulator located in collector:
 This subclass is indented under subclass 629.  Apparatus wherein the machine is located within an enclosure for the converting means.

Image 1 for class 126 subclass 631

  
[List of Patents for class 126 subclass 632]    632Circulator located in building:
 This subclass is indented under subclass 629.  Apparatus wherein the machine is located within the building.

Image 1 for class 126 subclass 632

  
[List of Patents for class 126 subclass 633]    633With fluent medium passage in floor or wall of room:
 This subclass is indented under subclass 628.  Apparatus in which a conduit is provided in a floor or wall of a building, and the fluent medium is moved through the conduit for the purpose of heating the enclosed building space.
  
[List of Patents for class 126 subclass 634]    634With means to convey fluent medium through collector:
 This subclass is indented under subclass 569.  Apparatus having means by which the fluent medium is moved through the converting means and in doing so absorbs heat to be transferred elsewhere.

Image 1 for class 126 subclass 634

  
[List of Patents for class 126 subclass 635]    635Having evaporator and condenser sections (e.g., heat pipe):
 This subclass is indented under subclass 634.  Apparatus having a closed conduit to convey the fluent medium between a section heated by solar radiation and a cooled section whereby it is caused to change from liquid to gaseous state because of the absorption of solar radiation and subsequently change back to its liquid state as the heat of the gas is dissipated in the cooled section.

Image 1 for class 126 subclass 635

SEE OR SEARCH CLASS:

60Power Plants,   subclasses 641.1+ for a power plant operating by means of heat evolved from the sun.
165Heat Exchange,   subclasses 104.21+ for a condensing and evaporating heat exchange system.
  
[List of Patents for class 126 subclass 636]    636Particular fluid:
 This subclass is indented under subclass 635.  Apparatus wherein significance is attributed to a specific kind of fluent medium.
  
[List of Patents for class 126 subclass 637]    637Gas:
 This subclass is indented under subclass 636.  Apparatus wherein the fluent medium is a gas.
  
[List of Patents for class 126 subclass 638]    638Thermosyphonic fluid circulation:
 This subclass is indented under subclass 634.  Apparatus in which the fluent medium is a fluid which completely fills a closed circuitous conduit extending between a low and a high elevation, and having a first section which passes through the converting means whereby the fluent medium is heated and rises in the conduit from the low to the high elevation, and a second section wherein the heat of the fluent medium is dissipated causing the cooled medium to descend into the second section and return to the first section.

A solar heating system in which the heating transfer mediumis circulated from the heat absorbing member through the heat exchangearea by means of gravitational forces which are augmented by theuse of a transfer medium containing additives which change in state fromfluid to gaseous as they move through the system.

A solar heating system in which the heating transfer mediumis circulated from the heat absorbing member through the heat exchangearea by means of gravitational forces which are augmented by theuse of a transfer medium containing additives which change in state fromfluid to gaseous as they move through the system.

  
[List of Patents for class 126 subclass 639]    639Liquid:
 This subclass is indented under subclass 638.  Apparatus wherein the fluent medium is a liquid.
  
[List of Patents for class 126 subclass 640]    640With storage tank for fluent medium:
 This subclass is indented under subclass 634.  Apparatus having a container in which the fluent medium from the converting means is accumulated.
  
[List of Patents for class 126 subclass 641]    641Having heat exchanger within storage tank:
 This subclass is indented under subclass 640.  Apparatus which includes a device that transfers heat from one fluid to another fluid without mixture of the fluids and is positioned inside the container.

Image 1 for class 126 subclass 641

  
[List of Patents for class 126 subclass 642]    642Tank is heat exchanger:
 This subclass is indented under subclass 640.  Apparatus wherein the heat is transferred from the fluent medium via a wall of the fluent container to a heat utilization location.

		Fluent medium

Fluent medium

  
[List of Patents for class 126 subclass 643]    643With heat exchanger:
 This subclass is indented under subclass 634.  Apparatus which includes a device that transfers heat from one fluent medium to another fluent without mixture of the fluents.

Image 1 for class 126 subclass 643

  
[List of Patents for class 126 subclass 644]    644With solid phase change:
 This subclass is indented under subclass 643.  Apparatus wherein the fluent medium in the heat transferring device undergoes change in state from fluent to solid.
  
[List of Patents for class 126 subclass 645]    645With liquid phase change:
 This subclass is indented under subclass 643.  Apparatus wherein the fluent medium in the heat transferring device undergoes change in the state from solid or gas to liquid.
  
[List of Patents for class 126 subclass 646]    646Pump:
 This subclass is indented under subclass 634.  Apparatus including a machine for forcing the fluent medium through the converting means.

Image 1 for class 126 subclass 646

  
[List of Patents for class 126 subclass 647]    647Blower:
 This subclass is indented under subclass 646.  Apparatus wherein the machine is a gas-moving device.

Image 1 for class 126 subclass 647

  
[List of Patents for class 126 subclass 648]    648With radiation trap:
 This subclass is indented under subclass 634.  Apparatus having a device which captures randomly reflected solar radiation which would otherwise escape or unintentionally be directed away from that portion of the converting means where the radiation is to be absorbed by the converting means.

A device called Solar Trap for concentrating and collectingthe solar energy is disclosed.  Said Solar Trap employs, firstly,the principle of the light funneling as means for concentratingthe sunlight and secondly, the principle of the repeated incidenceas means for enhancing the absorption of the concentrated sunlight.

A device called Solar Trap for concentrating and collectingthe solar energy is disclosed. Said Solar Trap employs, firstly,the principle of the light funneling as means for concentratingthe sunlight and secondly, the principle of the repeated incidenceas means for enhancing the absorption of the concentrated sunlight.

  
[List of Patents for class 126 subclass 649]    649Plural traps:
 This subclass is indented under subclass 648.  Apparatus and further including another device which captures randomly reflected solar radiation which would otherwise escape or unintentionally be directed away from that portion of the converting means where the radiation is to be absorbed by the fluent medium.
  
[List of Patents for class 126 subclass 650]    650Particular material:
 This subclass is indented under subclass 648.  Apparatus wherein significance is attributed to a substance from which the device is made.
  
[List of Patents for class 126 subclass 651]    651Conduit absorber structure:
 This subclass is indented under subclass 634.  Apparatus wherein the fluent medium is located within a fluent confining means which surrounds and provides an axial flowpath for the fluent medium through the converting means.
  
[List of Patents for class 126 subclass 652]    652Surrounded by transparent enclosure:
 This subclass is indented under subclass 651.  Apparatus having a transparent means which completely envelops, in spaced relation to, and extends along an axial length of the fluent confining means.
  
[List of Patents for class 126 subclass 653]    653Sealed chamber between enclosure and absorber contains vacuum promoter (e.g., getter):
 This subclass is indented under subclass 652.  Apparatus wherein a negative pressure exists in a space between an enclosure and an absorber conduit and wherein a substance is added to enhance the negative pressure.
  
[List of Patents for class 126 subclass 654]    654Sealed chamber between enclosure and absorber contains gas for promoting heat transfer:
 This subclass is indented under subclass 652.  Apparatus wherein a sealed chamber between an enclosure and an absorber conduit contains a gaseous fluid which enhances the conduction of heat between the enclosure and the absorber conduit.

The disclosure relates to a solar radiation converting methodand means whereby the addition of a halogen within a hermeticallysealed space receives and converts solar or synthetic radiant spectrainto heat energy; its principal advantage being the conversion ofthe visible portion of the light spectra into additional heat.

The disclosure relates to a solar radiation converting methodand means whereby the addition of a halogen within a hermeticallysealed space receives and converts solar or synthetic radiant spectrainto heat energy; its principal advantage being the conversion ofthe visible portion of the light spectra into additional heat.

  
[List of Patents for class 126 subclass 655]    655Plurality of conduit absorbers:
 This subclass is indented under subclass 652.  Apparatus which includes more than one fluent confining means.

Image 1 for class 126 subclass 655

  
[List of Patents for class 126 subclass 656]    656Axis of conduit is curved (e.g., helical or serpentine):
 This subclass is indented under subclass 652.  Apparatus wherein the fluent confining means is shaped in such a manner that the fluid follows a circuitous path.

Image 1 for class 126 subclass 656

  
[List of Patents for class 126 subclass 657]    657With reflector:
 This subclass is indented under subclass 652.  Apparatus which further includes a nontransparent surface to redirect solar radiation as the solar radiation travels toward the fluent confining means.

Image 1 for class 126 subclass 657

  
[List of Patents for class 126 subclass 658]    658Having heat-absorbing fin or plate:
 This subclass is indented under subclass 651.  Apparatus having a projecting vane or a sheet secured to or integrally formed with the fluent confining means to effectively increase the heat transfer area beyond that which the confining means would otherwise have available.

Image 1 for class 126 subclass 658

  
[List of Patents for class 126 subclass 659]    659With fastener to secure fin to conduit:
 This subclass is indented under subclass 658.  Apparatus wherein an attaching device is used to connect the vane to the fluent confining means.

Image 1 for class 126 subclass 659

  
[List of Patents for class 126 subclass 660]    660Plate integral with conduit:
 This subclass is indented under subclass 658.  Apparatus wherein the sheet is manufactured simultaneously as a complete unit with the fluent confining means.

A solar collector which includes a radiation-absorbing panelhaving a surface provided with integral fluid-conducting conduitswhereby heat absorbed by the panel may be efficiently transferreddirectly to fluid circulating in the conduits.

A solar collector which includes a radiation-absorbing panelhaving a surface provided with integral fluid-conducting conduitswhereby heat absorbed by the panel may be efficiently transferreddirectly to fluid circulating in the conduits.

  
[List of Patents for class 126 subclass 661]    661Plate surface with conduit secured thereto:
 This subclass is indented under subclass 658.  Apparatus which includes means for connecting the fluent confining means to the sheet.

Image 1 for class 126 subclass 661

  
[List of Patents for class 126 subclass 662]    662Conduit positioned in a groove in the plate:
 This subclass is indented under subclass 658.  Apparatus wherein the sheet is provided with a channel to receive the fluent confining means.

Image 1 for class 126 subclass 662

  
[List of Patents for class 126 subclass 663]    663Plural conduits:
 This subclass is indented under subclass 651.  Apparatus wherein the fluent confining means provides two or more side by side axial flowpaths for either series or parallel flow of the fluent medium.
  
[List of Patents for class 126 subclass 664]    664Noncircular conduit:
 This subclass is indented under subclass 663.  Apparatus wherein the fluent confining means defines a flowpath which has a cross-sectional shape other than a circle.

Image 1 for class 126 subclass 664

  
[List of Patents for class 126 subclass 665]    665Flexible conduit:
 This subclass is indented under subclass 663.  Apparatus wherein the fluent confining means is formed of a pliable material.
  
[List of Patents for class 126 subclass 666]    666Rectangular metallic conduit:
 This subclass is indented under subclass 651.  Apparatus wherein the fluent confining means is made of metal and defines a flow chamber which has a rectangular cross-sectional shape.
  
[List of Patents for class 126 subclass 667]    667Having internal partition:
 This subclass is indented under subclass 666.  Apparatus in which the flow chamber includes a baffle which redirects the flow through the chamber.

Image 1 for class 126 subclass 667

  
[List of Patents for class 126 subclass 668]    668Rectangular nonmetallic conduit:
 This subclass is indented under subclass 651.  Apparatus wherein the fluent confining means is made of material other than metal and defines a flow chamber which has a rectangular cross-sectional shape.
  
[List of Patents for class 126 subclass 669]    669Having internal partition:
 This subclass is indented under subclass 668.  Apparatus in which the fluent chamber includes a baffle which redirects the flow through the chamber.

Image 1 for class 126 subclass 669

  
[List of Patents for class 126 subclass 670]    670Circular metallic conduit:
 This subclass is indented under subclass 651.  Apparatus wherein the fluent confining means is made of metal and defines a flow chamber which has a circular cross-sectional shape.
  
[List of Patents for class 126 subclass 671]    671Having internal partition:
 This subclass is indented under subclass 670.  Apparatus in which the fluent chamber includes a baffle which redirects the flow through the chamber.
  
[List of Patents for class 126 subclass 672]    672Circular nonmetallic conduit:
 This subclass is indented under subclass 651.  Apparatus wherein the fluent confining means is made of material other than metal and defines a flow chamber which has a circular cross-sectional shape.
  
[List of Patents for class 126 subclass 673]    673Having internal partition:
 This subclass is indented under subclass 672.  Apparatus in which the fluid chamber includes a baffle which redirects the flow through the chamber.
  
[List of Patents for class 126 subclass 674]    674Absorber having extended surface:
 This subclass is indented under subclass 651.  Apparatus wherein the fluent confining means is formed so that it has a heat exchange surface area which is greater than that which would be formed by a fluent confining means having a smooth surface and occupying a similar area of the converting means.
  
[List of Patents for class 126 subclass 675]    675Corrugated surface:
 This subclass is indented under subclass 674.  Apparatus wherein the heat exchange surface is formed into parallel and alternating ridges and grooves.
  
[List of Patents for class 126 subclass 676]    676Particular absorber material:
 This subclass is indented under subclass 651.  Apparatus wherein significance is attributed to a substance from which the fluent confining means is made.
  
[List of Patents for class 126 subclass 677]    677Metal:
 This subclass is indented under subclass 676.  Apparatus wherein the fluent confining means is made of metal.
  
[List of Patents for class 126 subclass 678]    678Particular fluent medium including radiation absorbing material:
 This subclass is indented under subclass 569.  Apparatus wherein significance is attributed to the material forming the fluent medium and especially to properties of the material which enhance heat transfer.
  
[List of Patents for class 126 subclass 679]    679Specific chemical:
 This subclass is indented under subclass 678.  Apparatus wherein significance is attributed to the elemental composition of the matter.
(1) Note. A patent proper for this subclass will have at least one claim wherein the matter is identified by its chemical name.
  
[List of Patents for class 126 subclass 680]    680Energy concentrator with support for material heated:
 This subclass is indented under subclass 569.  Apparatus having means to carry the weight of an article to be heated and having means to focus solar radiation on the article.

SEE OR SEARCH THIS CLASS, SUBCLASS:

684,for a reflector.
698,for a lens for concentrating solar energy on an absorber for heating a fluid.
  
[List of Patents for class 126 subclass 681]    681Solar oven:
 This subclass is indented under subclass 680.  Apparatus wherein the article to be heated is within an enclosed compartment.

Image 1 for class 126 subclass 681

  
[List of Patents for class 126 subclass 682]    682Having foldable energy concentrator:
 This subclass is indented under subclass 681.  Apparatus wherein the focusing means has structure permitting it to be doubled upon itself.

A solar stove having a casing with four rectangular reflectivepanels foldably attached and surrounding the perimeter of the upperedge of the casing, the panels being foldable against the casingto form a neat package.  Each panel is attached to an opposite panelby a flexible cord, the cords crossing each other when the panelsare opened to aid the user in aiming the solar stove directly intothe sun.  Triangular panels are removably attached to the side ofadjacent rectangular panels to fill the space created when the rectangularpanels are opened to approximately 45° past vertical. The oven is a drawer fitting in the casing and removable eitherhorizontally or vertically, the drawer having multiple layer construction forheat retention and a dark interior surface for converting solarrays to heat.

A solar stove having a casing with four rectangular reflectivepanels foldably attached and surrounding the perimeter of the upperedge of the casing, the panels being foldable against the casingto form a neat package. Each panel is attached to an opposite panelby a flexible cord, the cords crossing each other when the panelsare opened to aid the user in aiming the solar stove directly intothe sun. Triangular panels are removably attached to the side ofadjacent rectangular panels to fill the space created when the rectangularpanels are opened to approximately 45° past vertical. The oven is a drawer fitting in the casing and removable eitherhorizontally or vertically, the drawer having multiple layer construction forheat retention and a dark interior surface for converting solarrays to heat.

  
[List of Patents for class 126 subclass 683]    683With concentrating reflector and concentrating lens:
 This subclass is indented under subclass 569.  Apparatus wherein said concentrating or directing means includes a first nontransparent surface which acts to redirect the solar radiation and increases the brightness of solar radiation and also includes a refractor; the combination of the nontransparent surface and the refractor causes the solar radiation to converge to the converting means.

Image 1 for class 126 subclass 683

SEE OR SEARCH THIS CLASS, SUBCLASS:

680,for energy concentrator with support for material heated.
  
[List of Patents for class 126 subclass 684]    684With concentrating reflector:
 This subclass is indented under subclass 569.  Apparatus wherein said means to concentrate or direct solar radiation includes a first nontransparent surface which acts to increase the brightness of the solar radiation and directs the solar radiation to the converting means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

680,for energy concentrator with support for material heated.
  
[List of Patents for class 126 subclass 685]    685Plural reflectors in optical series:
 This subclass is indented under subclass 684.  Apparatus which further includes an additional nontransparent surface to receive solar radiation from the first surface and wherein said additional surface and first surface redirect the solar radiation to the converting means.

Image 1 for class 126 subclass 685

  
[List of Patents for class 126 subclass 686]    686Flat and curved:
 This subclass is indented under subclass 685.  Apparatus wherein one of said surfaces is planar and wherein the other of said surfaces deviates from planarity in a smooth, continuous way.

Image 1 for class 126 subclass 686

  
[List of Patents for class 126 subclass 687]    687Flat:
 This subclass is indented under subclass 685.  Apparatus wherein one of said surfaces is planar.

Image 1 for class 126 subclass 687

  
[List of Patents for class 126 subclass 688]    688Spot focus:
 This subclass is indented under subclass 684.  Apparatus wherein the first surface is arranged to concentrate the solar radiation at a point.

Image 1 for class 126 subclass 688

  
[List of Patents for class 126 subclass 689]    689Spherical:
 This subclass is indented under subclass 688.  Apparatus wherein the first surface is shaped in a manner that all points on the surface are equidistant from a fixed point.
  
[List of Patents for class 126 subclass 690]    690Parabolic:
 This subclass is indented under subclass 688.  Apparatus wherein the first surface is shaped like a plane curve generated by a point so moving that its distance from a fixed point divided by its distance from a fixed line is equal to one.

Image 1 for class 126 subclass 690

  
[List of Patents for class 126 subclass 691]    691Elliptical:
 This subclass is indented under subclass 688.  Apparatus wherein the first surface is shaped like a closed plane curve generated by a point so moving that its distance from a fixed point divided by its distance from a fixed line is a positive constant less than one.

A solar dish concentrator is provided having a rotationallysymmetrical elliptical shape for focusing a uniform flux densityof solar radiation on a receiver. The solar flux pattern reflectedto the receiver is evenly distributed over the four quadrants ofthe receiver without containing any hot spots.

A solar dish concentrator is provided having a rotationallysymmetrical elliptical shape for focusing a uniform flux densityof solar radiation on a receiver. The solar flux pattern reflectedto the r