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Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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Class 62 | REFRIGERATION |
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1 | CONSUMABLE PRODUCTS PRODUCED BY COOLING |
3.1 | USING ELECTRICAL OR MAGNETIC EFFECT |
3.2 | Thermoelectric; e.g., peltier effect |
3.3 | Heat pump, selective heating and cooling |
3.4 | Including dehumidifying and condensate handling |
3.5 | Made with flexible heat exchanger material; e.g., blanket, wearing apparel, etc. |
3.6 | Interior of enclosure cooled; e.g., refrigerator |
3.61 | Having vehicle feature; e.g., cooling cart, car, truck, boat, etc. |
3.62 | Portable, having transporting feature; e.g., handle |
3.63 | Icemaker |
3.64 | Beverage dispenser |
3.7 | Including specific circuitry or heat exchanger material |
4 | CHEMICAL REACTION OR SOLIDS DISSOLVING |
5 | VORTEX TUBE, E.G., RANQUE |
6 | GAS COMPRESSION, HEAT REGENERATION AND EXPANSION, E.G., STIRLING CYCLE |
7 | UTILIZING FUEL AS REFRIGERANT |
600 | CRYOGENIC TREATMENT OF GAS OR GAS MIXTURE |
601 | Solidification |
606 | Liquefaction |
607 | Hydrogen |
608 | Helium |
51.2 | Utilizing Joule-Thomson effect |
611 | Natural gas |
612 | Multicomponent cascade refrigeration |
613 | Compression, expansion, and condensation |
614 | Heat exchange with liquid cryogen |
615 | Air |
616 | Heat exchange with liquid cryogen |
617 | Separation of gas mixture |
618 | Natural gas |
619 | Compression, expansion, and condensation |
620 | Distillation |
621 | Flowline expansion engine |
623 | External refrigeration circuit |
624 | Membrane |
625 | Liquid contact |
626 | Solid sorption |
627 | Dephlemation |
628 | Automatic control |
629 | Solidification |
630 | Plural columns |
632 | Liquid contact |
636 | Sorption |
637 | Solidification |
639 | Helium |
640 | Air |
657 | Automatic control |
45.1 | STORAGE OF SOLIDIFIED OR LIQUIFIED GAS (E.G., CRYOGEN) |
46.1 | With sorbing or mixing |
47.1 | With conservation of cryogen by reduction of vapor to liquid within storage receptacle |
48.1 | With vapor discharged from storage receptacle |
48.2 | And subsequently restored to receptacle as liquid |
48.3 | And subsequently used to cool receptacle |
48.4 | Discharge caused by ignition of combustible gas |
49.1 | With measuring |
50.1 | Liquified gas transferred as liquid |
50.2 | With vaporizing of liquified gas downstream of storage |
50.3 | Energy converted to work (e.g., used to drive prime mover) |
50.4 | Operates valve which controls flow of liquid |
50.5 | In phase separator |
50.6 | Specific pump structure |
50.7 | Specific conduit, valve, or coupling structure |
51.1 | Including cryostat |
52.1 | Spraying of cryogen |
53.1 | Underground or underwater storage |
53.2 | Storage in modified vehicle (e.g., ship, truck, etc.) |
54.1 | Cryogen stored in both phases (e.g., as slush or gel) |
54.2 | Controlled conversion of solidified gas to another phase |
54.3 | Storing solidified gas |
55.5 | LOW PRESSURE COLD TRAP PROCESS AND APPARATUS |
56 | PROCESSES |
57 | Suspending in upwardly directed current |
532 | Fractionally solidifying a constituent and separating the same |
533 | Including direct contact with added refrigerant |
534 | Liquid refrigerant converted to vapor phase during cooling |
535 | Spent refrigerant vapor used in direct contact to melt solidified component or heat product liquid |
536 | Refrigerant remains liquid during cooling |
537 | Utilizing a constituent of the original mixture or solution as refrigerant |
538 | Solidifying or purifying in a pulsed column or using sonic vibration |
540 | With measured parameter responsive control |
541 | With separated constituent recycle |
542 | Using melted solid to wash solidified constituent |
543 | With squeezing or compression of solidified component |
544 | With stirring, agitating or scraping of the solidification zone |
59 | Accumulating holdover ice in situ |
60 | Packaging |
61 | Utilizing motion of vehicle |
62 | Treating an article |
63 | Moving through cooling zone during cooling |
64 | By contacting with liquid |
65 | Diverse sequential temperatures, e.g., precooling |
66 | Congealing flowable material, e.g., ice making |
67 | With filtering or gravitational separating |
68 | Agitating |
71 | Removing product from congealing surface |
74 | Spraying or dripping |
75 | Sequential stages, e.g., composite block making |
76 | With preliminary refrigerant manufacturing |
77 | Assembling, charging, or repairing of refrigeration producer |
78 | Deodorizing, antisepticizing or providing special atmosphere |
79 | Exchanging heat between plural systems, e.g., disparate |
80 | Defrosting or frost inhibiting |
83 | Preventing slugging to compressor |
84 | Lubricant handling |
85 | Separating or preventing formation of undesirables |
86 | Reducing pressure on compressed gas |
89 | Circulating external gas |
90 | With reheating |
91 | With adding of moisture |
93 | With removing of moisture |
95 | Plural cooling, e.g., precooling by exhaust |
96 | Indirect cooling using closed circuit heat transfer fluid |
97 | Combining streams having diverse temperatures |
98 | Fluid external of refrigeration producing cycle |
100 | Vacuumizing an open outlet chamber |
101 | Evaporation induced by sorption |
102 | Using diverse refrigerants |
103 | With modulated flow rate of fluid |
106 | Intermittent operating of generation and sorption cycle |
107 | With absorption liquid circulation aided by system generated pressure |
108 | With liquid refrigerant transfer to evaporator against gravity |
109 | Cooling by evaporation of refrigerant from sorption solution |
110 | With diffusion of refrigerant into inert gas |
112 | Utilizing particular refrigerant and/or sorbent materials |
113 | Transferring heat between diverse function portions of refrigeration cycle |
114 | Employing diverse materials or particular material in refrigeration circuit |
115 | Compressing, condensing and evaporating |
116 | Utilizing motive energy of fluid to compress |
117 | Dividing refrigerant flow, e.g., bypass parallel units |
118 | Pumping fluid in closed circuit |
119 | Condensing and evaporating |
120 | Spaced cooling steps |
121 | Gas and liquid contact |
122 | Combining fluids having diverse temperatures |
123 | SEPARATOR FOR SOLIDIFIED CONSTITUENT OF LIQUID MIXTURE |
125 | WITH INDICATOR OR TESTER |
126 | Operatively correlated with automatic control |
127 | Diverse function indicators or testers |
128 | Atmospheric condensation accumulation, e.g., frost |
129 | Condition sensing |
131 | Position or extent of motion of movable element |
132 | AUTOMATIC CONTROL |
133 | Responsive to vehicle body motion or traction |
135 | By congealed removable product condition |
139 | By accumulation on freezing surface, e.g., ice |
141 | Of closed system sorbent type |
142 | Discontinuous operation of refrigerant or sorbent container unit |
148 | Of heating means |
149 | Withdrawing or adding refrigerant from or to normally closed system |
150 | Preventing, removing or handling atmospheric condensate |
157 | Time or program actuator |
159 | Selective heating or cooling |
161 | With correlated manual or external operator and condition sensing means, e.g., cutoff or reset |
162 | Manual initiate with sensor terminate |
163 | Selective |
164 | Manual reset or sensor operates additional element |
165 | Solidified gas |
166 | Diverse control or response |
167 | Of heater, heat transmitter or secondary fluid |
168 | By temperature |
169 | Vacuumized chamber with open outlet |
171 | Gas-liquid contact cooler, fluid flow |
172 | Air compessor, cooler and expander |
173 | Of external fluid reheating |
174 | Trapping and discharging refrigerant batches |
175 | Diverse, cascade or compound refrigeration-producing system |
176.1 | Humidity sensor |
176.2 | Having defrost control related to humidity |
176.3 | Controlling variable compressor capacity |
176.4 | Controlling gas-liguid contactor for air |
176.5 | Control of air heater, e.g., reheat pump |
176.6 | Plus air temperature sensor exerting a control |
177 | Of external fluid or means |
178 | Diverse control or response |
183 | Cooling fluid for heat rejecter, e.g., condenser |
185 | Indirect heat transfer liquid, e.g., brine |
186 | Air controller or director |
188 | By lever, e.g., float-controlled valve |
189 | By fluid flow, e.g., check valve |
190 | Refrigeration producer |
191 | Of or by jet-type compressor |
192 | Lubrication |
195 | Impurity removal |
196.1 | Bypass, e.g., compressor unloading |
196.2 | For plural compressor cylinders |
196.3 | Direct bypass of compressor |
196.4 | Condensor bypass |
197 | Of expansion zone |
201 | By external cooled liquid or holdover |
202 | Including external thermal source modifying sensor action |
203 | Plural refrigerating producing elements and plural sensors |
207 | Diverse function refrigeration elements controlled by single sensor |
208 | Single refrigeration producer controlled by plural sensors |
209 | Compensating or modifying |
213 | Alternative or selective sensors |
214 | Single sensor mounted or formed to respond to plural conditions, e.g., compensators |
216 | Of or by evaporation zone |
217 | Back flow or pressure regulator |
218 | Valve or restrictor by liquid lever |
222 | Of expansion valve or variable restrictor |
226 | Compressor or its drive controlled |
228.1 | Compressor or its drive controlled |
231 | TIME OR PROGRAM ACTUATOR |
235 | RINK |
235.1 | UTILIZING SOLAR ENERGY |
236 | WITH ALTERNATELY USABLE ENERGY SOURCES |
237 | SEPARABLE AMBULANT COOLED ENCLOSURE AND POWER OR COOLING SOURCE |
238.1 | DISPARATE APPARATUS UTILIZED AS HEAT SOURCE OR ABSORBER |
238.2 | With vortex tube, thermoelectric, Stirling or air cycle |
238.3 | With sorption |
238.4 | With power vapor generator |
238.5 | With distillation, ice maker, or freeze separation |
238.6 | With vapor compression system |
239 | WITH VEHICLE FEATURE |
240 | Ship |
241 | Utilizing motion of vehicle |
243 | Vehicle contained common power supply |
244 | Occupant-type vehicle |
245 | Melt control |
246 | DISPLAY TYPE |
247 | With means dispersing or evaporating liquid into atmosphere |
248 | Means removing or preventing condensate on transparent panel |
249 | With feature extraneous to cabinet or cooler |
250 | With material conveyer or transporter, e.g., for ice or goods |
251 | Stepped, e.g., shelves |
252 | Plural storage compartments |
255 | With air controlling or directing means |
257 | Bottom cooling means, e.g., cooled floor |
258 | WITH MEANS FORMING NON-COOLED WORK SURFACE, E.G., COUNTER, TABLE, SIDEBOARD |
259.1 | STRUCTURAL INSTALLATION |
259.2 | With electrical component cooling |
259.3 | With body applicator |
259.4 | With evaporative type cooler |
260 | Geographic, e.g., subterranean feature |
261 | Article of furniture, e.g., bed cover or canopy |
262 | Window connected or mounted |
263 | Vertical partition or wall mounting feature |
264 | WITH ILLUMINATING OR RADIANT ENERGY MEANS |
265 | COMPARTMENT ACCESS OR USE AND AIR BLOCKING |
267 | INTERLOCKED DIVERSE FUNCTION ELEMENTS |
268 | VACUUMIZED CHAMBER WITH OPEN VAPOR OR GAS OUTLET |
271 | ATMOSPHERE AND SORBENT CONTACTING TYPE |
272 | WITH MEANS PREVENTING OR HANDLING ATMOSPHERIC CONDENSATE RELATIVE TO HEAT ABSORBER |
273 | Operating on insulation, e.g., vent to refrigerated compartment |
274 | With means to add moisture to cooled space |
275 | By external heater |
277 | Means utilizing heat developed by refrigeration producer |
278 | Bypassing or reversing internal fluid flow |
279 | Means conducting atmospheric condensate to heat rejecter |
281 | With porous or foraminous atmospheric condensate receiver |
282 | Means contacting heat absorber with fluid strange to system |
283 | Moisture condensing means distinct from principal heat absorber |
284 | Wiper or scraper |
285 | Retainer or flow director for atmospheric condensate |
292 | WITH MEANS FOR CHARGING CLOSED REFRIGERATION PRODUCING SYSTEM |
293 | HAND MANIPULABLE TOOL |
294 | CONTAINER CUTTER OR PUNCH-TYPE OPENING MEANS |
295 | RESILIENTLY SUPPORTED POWER AND/OR HEAT REJECTING ELEMENT |
296 | MUFFLER OR SOUND DAMPENER |
297 | EXTERNAL SUPPORT FOR REFRIGERATOR HOUSING |
298 | WITH REPAIR, ASSEMBLY OR DISASSEMBLY MEANS |
299 | Detachable valve and coupling |
300 | Means releasing mold from support |
302 | Sliding or rolling on guide means |
303 | WITH CLEANING MEANS FOR APPARATUS |
304 | MATERIAL COOLING MEANS INCLUDING GAS-LIQUID CONTACTOR |
305 | Cooling heat rejector of refrigeration producer |
306 | Means feeding gas into pressurized receiver |
307 | Submerged gas inlet |
309 | Gas recirculated relative to enclosure |
310 | Fluid recirculating means |
311 | Diverse treating means |
314 | With gas forcing or directing means |
315 | Porous wall liquid container or flow line |
316 | Porous cover member |
317 | WITH SEPARATOR-CLARIFIER FOR COOLED FLUID OR ICE-MELT |
320 | WITH COMMINUTOR OR CUTTER |
322 | DISPARATE SERIALLY ARRANGED PRODUCT TREATING APPARATUS |
323.1 | WITH INTERNAL-COMBUSTION ENGINE |
323.2 | With cooling apparatus other than gas compressor |
323.3 | With electrical motor drive |
323.4 | With clutch or variable speed transmission controlling compressor drive |
324.1 | REVERSIBLE, I.E., HEAT PUMP |
324.2 | With cooling apparatus other than gas compressor |
324.3 | With product treatment |
324.4 | With refrigerant collection and intermittent discharge |
324.5 | With atmospheric condensate removal or prevention |
324.6 | With flow control or compressor details |
325 | External fluid flow reversed |
326 | CONVERTIBLE |
330 | WITH REFRIGERANT OR COOLANT MANUFACTURING MEANS |
331 | COMBINED |
332 | DIVERSE SYSTEMS, E.G., ICE AND MECHANICAL |
335 | PLURAL PAIRED DIFFERENT FUNCTION REFRIGERATION PRODUCING ELEMENTS, E.G., CASCADE |
336 | MATERIAL HANDLERS OF DIVERSE TYPES |
337 | COOLED ARTICLE STORAGE COMPARTMENT AND COOLED ISOLATED MATERIAL HANDLER |
340 | MEANS PRODUCING SHAPED OR MODIFIED CONGEALED PRODUCT |
341 | With article press means |
342 | With means for working congealing material, e.g., beater |
344 | With product receiving and storing means |
345 | Freezing surface mounted for movement during freezing |
347 | With raw material projector, e.g., spray |
348 | With means to precool or recirculate raw material |
349 | Thawing means |
350 | Attached to hand-manipulable mold |
351 | Electrical heater |
352 | Means using refrigerant or coolant as heating fluid |
353 | Heat absorber with product remover |
356 | Mold with means to absorb heat, e.g., brine tank |
371 | PORTABLE, COMMODITY-CONTAINING |
373 | LIQUID CONTACTING DISCRETE COMMODITY |
377 | ARTICLE HOLDER MOUNTED ON DOOR OR PIVOTED PARTITION |
378 | ARTICLE MOVING MEANS |
379 | Solid refrigerant |
380 | Continuous longitudinal-type conveyor |
381 | Rotary about fixed axis, e.g., rotary shelf or scraper |
382 | Drawer, tray or track-guided type; horizontally movable |
383 | MOVABLE THERMAL MEANS VARYING HEAT TRANSMISSION |
384 | COOLER UTILIZING SOLIDIFIED GAS |
385 | Sublimed gas entering insulation or within hollow wall |
386 | Means cooling withdrawable liquid |
387 | External as circulator or director |
388 | Means dispersing sublimed gas into cooled enclosure |
389 | WITHDRAWABLE LIQUID, E.G., DISPENSER |
390 | With plural liquid outlets or sources, e.g., distributing system |
391 | With withdrawn liquid receiver |
392 | With agitator for withdrawable liquid |
393 | With intermediate indirect heat transfer fluid container or conductor |
394 | Refrigerant evaporator surrounding or within a container |
396 | In indirect heat exchanging relationship to coolant |
401 | AIR COMPRESSOR, COOLER AND EXPANDER TYPE |
404 | GAS CONTROLLER OR DIRECTOR |
405 | Isolated gas compartment, e.g., cold air jacket |
406 | Gas passage over or through indirect heat-transfer container or holdover |
407 | Cooled gas directed relative to cooled enclosure |
408 | With adjustable gas flow controller |
410 | Exterior port, i.e., ventilating |
413 | Means verging gas streams within storage space |
417 | With imperforate partition forming storage compartments |
418 | Foraminous gas distributor flow connected to cooler unit |
419 | Gas forcing means |
420 | Directed relative to ice container |
425 | Gas flow through ice compartment contacting ice |
426 | Gas forcing means, e.g., cooler unit |
430 | INTERMEDIATE FLUID CONTAINER TRANSFERRING HEAT TO HEAT ABSORBER OR HOLDOVER |
431 | Side-by-side or superimposed cooled compartments |
432 | Different temperature arrangements |
433 | With top access to each compartment, e.g., ice cream cans |
434 | Flow line connected transfer fluid supply and heat exchanger |
435 | With indirect fluid pump or agitator |
436 | Connected distinct sections for indirect fluid |
437 | Non-liquid heat accumulator |
438 | Forming cooled storage compartment |
439 | Unitary jacket surrounding coolant line |
440 | COOLED ENCLOSURE |
441 | Plural cooled compartments |
442 | Coolers in parallel for plural compartments |
443 | Cooler integral with or forming dividing wall |
447 | Insulating dividing wall |
448 | Movable unit of refrigeration producing assembly |
451 | Flowing coolant container covered by insulation means or within hollow wall of enclosure |
452 | With heat rejecting element enclosure or cooling feature |
457.1 | Portable receptacle |
457.2 | With holdover material |
457.6 | Cooled serving dish |
457.7 | Picnic/lunch box type cooler |
457.8 | Wine server/cooler |
457.9 | Cooled by means other than ice (e.g., mechanical, electrical, absorption, cryogenic, etc.) |
458 | Access surface open to atmosphere |
459 | Ice support, e.g., container |
460 | Flowing ice melt heat exchanger within cooled enclosure |
462 | Valve or trap within ice melt flow line |
463 | Partially surrounding storage compartment |
464 | Top access to ice compartment |
465 | With particular internal element support |
467 | REFRIGERATION PRODUCER |
468 | With lubricant handling means |
474 | With refrigerant treater |
476 | Sorbent type |
477 | Absorber-still, e.g., intermittent |
478 | Evaporator-condenser unit |
479 | With means returning sorbent from evaporator |
480 | With solid sorbent |
481 | With sorber-generator cooling means |
483 | Pump means forcing gas or vapor relative to sorber |
484 | Vapor-liquid contact in reabsorber forming liquid refrigerant |
485 | Means causing cooling fluid contact with sorber and/or condenser |
486 | Means cooling liquid refrigerant flow line to evaporator |
487 | Internally generated pressure or capillary means moving sorption liquor |
489 | Means attempering flow line between sorber and generator |
490 | Inert gas |
491 | Gas-liquid contactor within inert gas circuit |
493 | Means cooling inert gas flow line from sorber to evaporator |
494 | Particular gas-liquid contact in sorber |
495 | Sorbent vapor separator between generator and condenser |
497 | With means to enhance separations in generator |
498 | Compressor-condenser-evaporator circuit |
499 | Unitarily movable connected units |
500 | Jet powered by circuit fluid |
501 | External fluid actuates compressor and exchanges heat |
502 | Diverse fluids |
503 | With liquid trap or disperser in suction line |
504 | Means to apportion refrigerant to evaporator |
505 | Cooling motor and/or compressor by refrigerant |
506 | External cooling fluid contacts heat rejector |
509 | Condensed liquid receiver, e.g., surge tank |
510 | Plural compressors or multiple effect compression |
511 | Fixed restrictor |
512 | Distinct vapor liquid separator and separated liquid recycle |
513 | Heat exchange between diverse function elements |
515 | Evaporator, e.g., heat exchanger |
529 | REFRIGERANT OR COOLANT, STORER OR HANDLER |
531 | MISCELLANEOUS |
CROSS-REFERENCE ART COLLECTIONS | ||
900 | TRIPLE COLUMN |
901 | SINGLE COLUMN |
902 | APPARATUS |
903 | Heat exchange structure |
905 | Column |
908 | Filter or absorber |
909 | Regeneration |
910 | Expander |
911 | Portable |
912 | EXTERNAL REFRIGERATION SYSTEM |
914 | MAGNETIC OR ELECTRIC FIELD |
915 | COMBUSTION |
916 | EXPLOSION REDUCTION |
917 | MERCURY |
918 | HALOCARBON |
919 | ISOTOPE |
920 | CARBON MONOXIDE |
921 | CHLORINE |
922 | SULFUR |
923 | INERT GAS |
926 | GASOLINE |
927 | NATURAL GAS FROM NITROGEN |
928 | RECOVERY OF CARBON DIOXIDE |
931 | RECOVERY OF HYDROGEN |
935 | OLEFIN |
936 | ERICKSON |
937 | CHENG |
938 | MEHRA |
939 | PARTIAL FEED STREAM EXPANSION (AIR) |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
DIGESTS | ||
DIG1 | RADIANT COOLING |
DIG2 | REFRIGERANT PUMPS |
DIG5 | AIRCRAFT COOLING |
DIG7 | VACUUM PLATES |
DIG10 | TOOL COOLING |
DIG11 | HYDRATOR RECEPTACLES |
DIG13 | INSULATION |
DIG16 | ROOF AND CEILING LOCATED COOLERS |
DIG17 | CONDENSER PRESSURE CONTROL |
DIG19 | IONIC THOMPSON EFFECT |
DIG20 | MATERIALS USED TO PREVENT CORROSION IN REFRIGERATION SYSTEM |
DIG21 | EVAPORATORS WHERE REFRIGERANT COVERS HEAT EXCHANGE COIL |
DIG22 | FREE COOLING |
DIG23 | EXPLOSIVE DIGEST |
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