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Class   432HEATING
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[List of Pre Grant Publications for class 432 subclass 1][List of Patents for class 432 subclass 1]1 PROCESSES OF HEATING OR HEATER OPERATION
 [List of Pre Grant Publications for class 432 subclass 2][List of Patents for class 432 subclass 2]2 Subclass 2 indent level is 1 Including apparatus purging, cleaning or accretion preventing
 [List of Pre Grant Publications for class 432 subclass 3][List of Patents for class 432 subclass 3]3 Subclass 3 indent level is 1 Including repairing, converting or assembling apparatus
 [List of Pre Grant Publications for class 432 subclass 4][List of Patents for class 432 subclass 4]4 Subclass 4 indent level is 1 Including apparatus heat-up, cool-down or protection
[List of Pre Grant Publications for class 432 subclass 5][List of Patents for class 432 subclass 5]5 Subclass 5 indent level is 1 Including preparing or arranging work for heating
 [List of Pre Grant Publications for class 432 subclass 6][List of Patents for class 432 subclass 6]6 Subclass 6 indent level is 2 Stacking or aligning objects
 [List of Pre Grant Publications for class 432 subclass 7][List of Patents for class 432 subclass 7]7 Subclass 7 indent level is 2 Forming a permeable layer or sheet
 [List of Pre Grant Publications for class 432 subclass 8][List of Patents for class 432 subclass 8]8 Subclass 8 indent level is 1 Continous strip, strand or web passed longitudinally through heating zone
[List of Pre Grant Publications for class 432 subclass 9][List of Patents for class 432 subclass 9]9 Subclass 9 indent level is 1 Treating an article, container, batch or body as a unit
 [List of Pre Grant Publications for class 432 subclass 10][List of Patents for class 432 subclass 10]10 Subclass 10 indent level is 2 Localized treating or shielding of work area
 [List of Pre Grant Publications for class 432 subclass 11][List of Patents for class 432 subclass 11]11 Subclass 11 indent level is 2 Moving unit through or within treating zone during treating
 [List of Pre Grant Publications for class 432 subclass 12][List of Patents for class 432 subclass 12]12 Subclass 12 indent level is 2 Modulating, varying or augmenting heat supply during heat-up period
 [List of Pre Grant Publications for class 432 subclass 13][List of Patents for class 432 subclass 13]13 Subclass 13 indent level is 1 Including melting, vaporizing, sintering, expanding comminuting, or classifying work material
[List of Pre Grant Publications for class 432 subclass 14][List of Patents for class 432 subclass 14]14 Subclass 14 indent level is 1 Including passing, treating or conveying gas into or through particulate work
 [List of Pre Grant Publications for class 432 subclass 15][List of Patents for class 432 subclass 15]15 Subclass 15 indent level is 2 Including maintenance of fluidized bed
 [List of Pre Grant Publications for class 432 subclass 16][List of Patents for class 432 subclass 16]16 Subclass 16 indent level is 2 Including a dust control or particle separation step
 [List of Pre Grant Publications for class 432 subclass 17][List of Patents for class 432 subclass 17]17 Subclass 17 indent level is 2 Including modulation of flow rate of gas or treated material
 [List of Pre Grant Publications for class 432 subclass 18][List of Patents for class 432 subclass 18]18 Subclass 18 indent level is 1 Subjecting work to diverse treatments or graduated temperatures
[List of Pre Grant Publications for class 432 subclass 19][List of Patents for class 432 subclass 19]19 Subclass 19 indent level is 1 Controlling flame position or work atmosphere
 [List of Pre Grant Publications for class 432 subclass 20][List of Patents for class 432 subclass 20]20 Subclass 20 indent level is 2 Providing flame or high luminosity
 [List of Pre Grant Publications for class 432 subclass 21][List of Patents for class 432 subclass 21]21 Subclass 21 indent level is 2 Including recycling work atmosphere
 [List of Pre Grant Publications for class 432 subclass 22][List of Patents for class 432 subclass 22]22 Subclass 22 indent level is 2 Establishing strata, layer or curtain
 [List of Pre Grant Publications for class 432 subclass 23][List of Patents for class 432 subclass 23]23 Subclass 23 indent level is 2 Establishing or maintaining composition of atmosphere bathing work
 [List of Pre Grant Publications for class 432 subclass 24][List of Patents for class 432 subclass 24]24 Subclass 24 indent level is 2 Modulating or stabilizing pressure or temperature
 [List of Pre Grant Publications for class 432 subclass 25][List of Patents for class 432 subclass 25]25 Subclass 25 indent level is 2 Providing pulsed or periodically reversed atmosphere
 [List of Pre Grant Publications for class 432 subclass 26][List of Patents for class 432 subclass 26]26 Subclass 26 indent level is 2 By mode of admission of treating or protecting fluid
 [List of Pre Grant Publications for class 432 subclass 27][List of Patents for class 432 subclass 27]27 Subclass 27 indent level is 1 Including the flowing or circulating of particulate heat carrier
 [List of Pre Grant Publications for class 432 subclass 28][List of Patents for class 432 subclass 28]28 Subclass 28 indent level is 1 Of operating a furnace utilizing a heat storage mass
[List of Pre Grant Publications for class 432 subclass 29][List of Patents for class 432 subclass 29]29 Subclass 29 indent level is 1 Of heating a fluid
 [List of Pre Grant Publications for class 432 subclass 30][List of Patents for class 432 subclass 30]30 Subclass 30 indent level is 2 Utilizing a heat storage mass
 [List of Pre Grant Publications for class 432 subclass 31][List of Patents for class 432 subclass 31]31 Subclass 31 indent level is 1 Heating of or by wall or radiant surface
 [List of Pre Grant Publications for class 432 subclass 32][List of Patents for class 432 subclass 32]32 WITH INDICATOR, ILLUMINATOR OR INSPECTION MEANS
 [List of Pre Grant Publications for class 432 subclass 33][List of Patents for class 432 subclass 33]33 ARTICLE OR TEMPLATE FOLLOWER POSITIONS HEATING ELEMENT RELATIVE TO ARTICLE
 [List of Pre Grant Publications for class 432 subclass 34][List of Patents for class 432 subclass 34]34 HAVING OPERATING OR CONTROLLING DEVICE RESPONDING TO PRESENCE OF DISCRETE WORK UNIT OR REMOVABLE UNIT HOLDER
 [List of Pre Grant Publications for class 432 subclass 35][List of Patents for class 432 subclass 35]35 FRANGIBLE OR FUSIBLE SAFETY RELIEF OR SHUTDOWN MEANS
[List of Pre Grant Publications for class 432 subclass 36][List of Patents for class 432 subclass 36]36 HAVING CONDITION RESPONSIVE CONTROL
 [List of Pre Grant Publications for class 432 subclass 37][List of Patents for class 432 subclass 37]37 Subclass 37 indent level is 1 Analyzer or composition sensor of work, work atmosphere or exhaust gas
 [List of Pre Grant Publications for class 432 subclass 38][List of Patents for class 432 subclass 38]38 Subclass 38 indent level is 1 Control of or response to apparatus protecting fluid or means
 [List of Pre Grant Publications for class 432 subclass 39][List of Patents for class 432 subclass 39]39 Subclass 39 indent level is 1 Of selection or load balancing of furnace exhaust heated regenerators
 [List of Pre Grant Publications for class 432 subclass 40][List of Patents for class 432 subclass 40]40 Subclass 40 indent level is 1 Of hot blast stove (i.e., of Cowper stove)
 [List of Pre Grant Publications for class 432 subclass 41][List of Patents for class 432 subclass 41]41 Subclass 41 indent level is 1 Of purger, purge period, scavenger or cleaner
 [List of Pre Grant Publications for class 432 subclass 42][List of Patents for class 432 subclass 42]42 Subclass 42 indent level is 1 Of protective work shield, cooler or atmosphere; or of heat applicator position
[List of Pre Grant Publications for class 432 subclass 43][List of Patents for class 432 subclass 43]43 Subclass 43 indent level is 1 Of discharging, or stopping the heating of a unit or batch on sensed completion of heating
 [List of Pre Grant Publications for class 432 subclass 44][List of Patents for class 432 subclass 44]44 Subclass 44 indent level is 2 With cool-down timer or means
 [List of Pre Grant Publications for class 432 subclass 45][List of Patents for class 432 subclass 45]45 Subclass 45 indent level is 1 Of or by means sensing or controlling work movement, quantity or position
 [List of Pre Grant Publications for class 432 subclass 46][List of Patents for class 432 subclass 46]46 Subclass 46 indent level is 1 Condition responsive shutdown requiring reset
 [List of Pre Grant Publications for class 432 subclass 47][List of Patents for class 432 subclass 47]47 Subclass 47 indent level is 1 Of or by pressure of fluid work or work chamber atmosphere
 [List of Pre Grant Publications for class 432 subclass 48][List of Patents for class 432 subclass 48]48 Subclass 48 indent level is 1 Of cooling, dilution, withdrawal, bypass or circulation of work chamber atmosphere
 [List of Pre Grant Publications for class 432 subclass 49][List of Patents for class 432 subclass 49]49 Subclass 49 indent level is 1 Of or by heat generation or transmission
 [List of Pre Grant Publications for class 432 subclass 50][List of Patents for class 432 subclass 50]50 WITH PROTECTOR, CLEANER OR SUPPORT FOR CONDITION SENSOR
[List of Pre Grant Publications for class 432 subclass 51][List of Patents for class 432 subclass 51]51 HAVING TIMING, PROGRAMMING OR CYCLING CONTROL MEANS
[List of Pre Grant Publications for class 432 subclass 52][List of Patents for class 432 subclass 52]52 Subclass 52 indent level is 1 Of handling or treatment of discrete work batch or unit
 [List of Pre Grant Publications for class 432 subclass 53][List of Patents for class 432 subclass 53]53 Subclass 53 indent level is 2 And of furnace closure or heating element operator
 [List of Pre Grant Publications for class 432 subclass 54][List of Patents for class 432 subclass 54]54 WITH INTERLOCKED, INTERCONNECTED OR MULTIWAY CONTROLLER ALTERNATING FLOW OF HEATED AND HEATING FLUID
[List of Pre Grant Publications for class 432 subclass 55][List of Patents for class 432 subclass 55]55 WITH CONCURRENT CONTROL OR INTER-CONTROL OF DIVERSE OPERABLE ELEMENTS
 [List of Pre Grant Publications for class 432 subclass 56][List of Patents for class 432 subclass 56]56 Subclass 56 indent level is 1 Door or baffle movement correlated with work movement or placement
 [List of Pre Grant Publications for class 432 subclass 57][List of Patents for class 432 subclass 57]57 Subclass 57 indent level is 1 Heating gas supply, removal or recirculation correlated with work or door movement or placement
 [List of Pre Grant Publications for class 432 subclass 58][List of Patents for class 432 subclass 58]58 WITH HEATING GAS CONVEYING, AGITATING, SCATTERING OR DISINTEGRATION OF WORK (E.G., FLUIDIZED BED, ETC.)
[List of Pre Grant Publications for class 432 subclass 59][List of Patents for class 432 subclass 59]59 ADVANCING STRUCTURE FLEXING, LOOPING OR COILING SHEET, WEB OR STRAND
 [List of Pre Grant Publications for class 432 subclass 60][List of Patents for class 432 subclass 60]60 Subclass 60 indent level is 1 Internally heated roll
 [List of Pre Grant Publications for class 432 subclass 61][List of Patents for class 432 subclass 61]61 WITH LUMP BREAKER OR CLASSIFIER FOR PARTICULATE WORK MATERIAL
[List of Pre Grant Publications for class 432 subclass 62][List of Patents for class 432 subclass 62]62 GEOGRAPHIC OR STRUCTURAL INSTALLATION
 [List of Pre Grant Publications for class 432 subclass 63][List of Patents for class 432 subclass 63]63 Subclass 63 indent level is 1 Installed on internal combustion engine element
 [List of Pre Grant Publications for class 432 subclass 64][List of Patents for class 432 subclass 64]64 HAVING FLUID CURTAIN AT CHAMBER PORT OR WORK PATH
 [List of Pre Grant Publications for class 432 subclass 65][List of Patents for class 432 subclass 65]65 WITH HEAT SHIELD, OR ESCAPING GAS COLLECTOR AT FURNACE CHAMBER ACCESS AREA
 [List of Pre Grant Publications for class 432 subclass 66][List of Patents for class 432 subclass 66]66 WITH CONDENSER OR ABSORBER FOR WORK CHAMBER VAPOR
[List of Pre Grant Publications for class 432 subclass 67][List of Patents for class 432 subclass 67]67 WITH MEANS SEPARATING SOLID PARTICLES OR SLAG FROM WORK CHAMBER GAS
 [List of Pre Grant Publications for class 432 subclass 68][List of Patents for class 432 subclass 68]68 Subclass 68 indent level is 1 Separator discharges gas to work zone
 [List of Pre Grant Publications for class 432 subclass 69][List of Patents for class 432 subclass 69]69 Subclass 69 indent level is 1 With means passing separated solid to heating zone
[List of Pre Grant Publications for class 432 subclass 70][List of Patents for class 432 subclass 70]70 Subclass 70 indent level is 1 At regenerator or recuperator (e.g., slag pocket, etc.)
 [List of Pre Grant Publications for class 432 subclass 71][List of Patents for class 432 subclass 71]71 Subclass 71 indent level is 2 With separated solid discharge structure
 [List of Pre Grant Publications for class 432 subclass 72][List of Patents for class 432 subclass 72]72 WITH MEANS DILUTING, PURIFYING OR BURNING EXHAUST GASES
 [List of Pre Grant Publications for class 432 subclass 73][List of Patents for class 432 subclass 73]73 COMBUSTION PRODUCTS, FLUE OR GENERATOR AND WORK CHAMBER MOUNTED FOR RELATIVE MOVEMENT FOR ACCESS
 [List of Pre Grant Publications for class 432 subclass 74][List of Patents for class 432 subclass 74]74 WITH DRIP, LEAKAGE, BREAKAGE OR SOIL COLLECTING STRUCTURE
 [List of Pre Grant Publications for class 432 subclass 75][List of Patents for class 432 subclass 75]75 WITH CLEANING MEANS FOR APPARATUS
 [List of Pre Grant Publications for class 432 subclass 76][List of Patents for class 432 subclass 76]76 WITH APPARATUS REPAIR OR ASSEMBLY MEANS
[List of Pre Grant Publications for class 432 subclass 77][List of Patents for class 432 subclass 77]77 WITH WORK COOLING STRUCTURE
[List of Pre Grant Publications for class 432 subclass 78][List of Patents for class 432 subclass 78]78 Subclass 78 indent level is 1 Combustion feed air cools exiting work by contact
 [List of Pre Grant Publications for class 432 subclass 79][List of Patents for class 432 subclass 79]79 Subclass 79 indent level is 2 Contact at discharge end section of shaft furnace
 [List of Pre Grant Publications for class 432 subclass 80][List of Patents for class 432 subclass 80]80 Subclass 80 indent level is 2 Work manipulated in cooling zone
 [List of Pre Grant Publications for class 432 subclass 81][List of Patents for class 432 subclass 81]81 Subclass 81 indent level is 1 Work holder having selectively usable heating and cooling structure
 [List of Pre Grant Publications for class 432 subclass 82][List of Patents for class 432 subclass 82]82 Subclass 82 indent level is 1 Entering and leaving work exchange heat
[List of Pre Grant Publications for class 432 subclass 83][List of Patents for class 432 subclass 83]83 Subclass 83 indent level is 1 Work heat removed through heat transmitting wall
 [List of Pre Grant Publications for class 432 subclass 84][List of Patents for class 432 subclass 84]84 Subclass 84 indent level is 2 Combustion feed material cools wall
 [List of Pre Grant Publications for class 432 subclass 85][List of Patents for class 432 subclass 85]85 Subclass 85 indent level is 1 Cooling liquid contacts work
 [List of Pre Grant Publications for class 432 subclass 86][List of Patents for class 432 subclass 86]86 WITH MEANS RECEIVING WORK FROM WORK HEATING ZONE DISCHARGE MEANS
 [List of Pre Grant Publications for class 432 subclass 87][List of Patents for class 432 subclass 87]87 WITH MEANS SUPPLYING WORK TO WORK FEEDER
 [List of Pre Grant Publications for class 432 subclass 88][List of Patents for class 432 subclass 88]88 WITH WHEEL, HANDLE, OR SKID-TYPE SUPPORT FOR HEATER ASSEMBLY
 [List of Pre Grant Publications for class 432 subclass 89][List of Patents for class 432 subclass 89]89 CONVERTIBLE
[List of Pre Grant Publications for class 432 subclass 90][List of Patents for class 432 subclass 90]90 BOILER AND WORK HEATING FURNACE, POT OR OVEN
 [List of Pre Grant Publications for class 432 subclass 91][List of Patents for class 432 subclass 91]91 Subclass 91 indent level is 1 Having means utilizing generated steam in heating work
 [List of Pre Grant Publications for class 432 subclass 92][List of Patents for class 432 subclass 92]92 COMBINED
 [List of Pre Grant Publications for class 432 subclass 93][List of Patents for class 432 subclass 93]93 HAVING WORK HEATING CHAMBER AND OPEN ACCESS WORK SUPPORTING AND HEATING AND HEATING STRUCTURE OUTSIDE OF CHAMBER
 [List of Pre Grant Publications for class 432 subclass 94][List of Patents for class 432 subclass 94]94 DISPARATE HEAT SOURCES OR FUELS
[List of Pre Grant Publications for class 432 subclass 95][List of Patents for class 432 subclass 95]95 SHAFT TYPE
[List of Pre Grant Publications for class 432 subclass 96][List of Patents for class 432 subclass 96]96 Subclass 96 indent level is 1 Having combustion products generated in or fed to shaft
 [List of Pre Grant Publications for class 432 subclass 97][List of Patents for class 432 subclass 97]97 Subclass 97 indent level is 2 Having flow controller restraining solid and passing melt
 [List of Pre Grant Publications for class 432 subclass 98][List of Patents for class 432 subclass 98]98 Subclass 98 indent level is 2 Having agitator or movably mounted baffle for shaft or shaft outlet
 [List of Pre Grant Publications for class 432 subclass 99][List of Patents for class 432 subclass 99]99 Subclass 99 indent level is 2 Having vertically spaced gas supply ports
 [List of Pre Grant Publications for class 432 subclass 100][List of Patents for class 432 subclass 100]100 Subclass 100 indent level is 2 Having distinct fume outlet and work inlet
 [List of Pre Grant Publications for class 432 subclass 101][List of Patents for class 432 subclass 101]101 Subclass 101 indent level is 2 Having distinct combustion products generator chamber
 [List of Pre Grant Publications for class 432 subclass 102][List of Patents for class 432 subclass 102]102 Subclass 102 indent level is 1 Having heat emitting tube or flue within or traversing shaft chamber
[List of Pre Grant Publications for class 432 subclass 103][List of Patents for class 432 subclass 103]103 TUMBLER-TYPE ROTARY - DRUM FURNACE
 [List of Pre Grant Publications for class 432 subclass 104][List of Patents for class 432 subclass 104]104 Subclass 104 indent level is 1 Having support for engaging heated surface of domestic stove
[List of Pre Grant Publications for class 432 subclass 105][List of Patents for class 432 subclass 105]105 Subclass 105 indent level is 1 Having combustion products generated in or fed to drum
 [List of Pre Grant Publications for class 432 subclass 106][List of Patents for class 432 subclass 106]106 Subclass 106 indent level is 2 Including plural, distinct serially connected work chambers
 [List of Pre Grant Publications for class 432 subclass 107][List of Patents for class 432 subclass 107]107 Subclass 107 indent level is 2 And having externally heated drum surface or indirect heating flue
[List of Pre Grant Publications for class 432 subclass 108][List of Patents for class 432 subclass 108]108 Subclass 108 indent level is 2 Work advancing type (e.g., steady flow of work)
[List of Pre Grant Publications for class 432 subclass 112][List of Patents for class 432 subclass 112]112 Subclass 112 indent level is 1 Externally heated drum or associated heating element heats work by conduction or radiation
 [List of Pre Grant Publications for class 432 subclass 113][List of Patents for class 432 subclass 113]113 Subclass 113 indent level is 2 And having distinct atmosphere supply or removal structure
 [List of Pre Grant Publications for class 432 subclass 114][List of Patents for class 432 subclass 114]114 Subclass 114 indent level is 2 Heat emitter is tube within the drum chamber or the drum wall
 [List of Pre Grant Publications for class 432 subclass 115][List of Patents for class 432 subclass 115]115 Subclass 115 indent level is 1 Having flexible, cooled, or air curtain seal between rotary and stationary parts
 [List of Pre Grant Publications for class 432 subclass 116][List of Patents for class 432 subclass 116]116 Subclass 116 indent level is 1 Having protective cooling structure
 [List of Pre Grant Publications for class 432 subclass 117][List of Patents for class 432 subclass 117]117 Subclass 117 indent level is 1 Having work or work atmosphere feed or discharge structure
 [List of Pre Grant Publications for class 432 subclass 118][List of Patents for class 432 subclass 118]118 Subclass 118 indent level is 1 Having structure agitating or controlling the motion of the charge
 [List of Pre Grant Publications for class 432 subclass 119][List of Patents for class 432 subclass 119]119 Subclass 119 indent level is 1 Having brick-type lining
[List of Pre Grant Publications for class 432 subclass 120][List of Patents for class 432 subclass 120]120 WORK CHAMBER HAVING HEATING MEANS
[List of Pre Grant Publications for class 432 subclass 121][List of Patents for class 432 subclass 121]121 Subclass 121 indent level is 1 Having means by which work is progressed or moved mechanically
[List of Pre Grant Publications for class 432 subclass 122][List of Patents for class 432 subclass 122]122 Subclass 122 indent level is 2 Having manipulating means arranging, orienting, segregating or topically heating individual unit
[List of Pre Grant Publications for class 432 subclass 128][List of Patents for class 432 subclass 128]128 Subclass 128 indent level is 2 Plural distinct chambers
 [List of Pre Grant Publications for class 432 subclass 134][List of Patents for class 432 subclass 134]134 Subclass 134 indent level is 2 Vibrating or jarring-type work advancer
 [List of Pre Grant Publications for class 432 subclass 135][List of Patents for class 432 subclass 135]135 Subclass 135 indent level is 2 Traveling heat emitter carries or stirs work
[List of Pre Grant Publications for class 432 subclass 136][List of Patents for class 432 subclass 136]136 Subclass 136 indent level is 2 Combustion products generated in or fed to chamber
 [List of Pre Grant Publications for class 432 subclass 151][List of Patents for class 432 subclass 151]151 Subclass 151 indent level is 2 Stirrer in externally heated tank
 [List of Pre Grant Publications for class 432 subclass 152][List of Patents for class 432 subclass 152]152 Subclass 152 indent level is 2 Having distinct atmosphere supply, removal or recirculation structure
[List of Pre Grant Publications for class 432 subclass 153][List of Patents for class 432 subclass 153]153 Subclass 153 indent level is 2 Work or work carrier slides on heated chamber wall or floor
 [List of Pre Grant Publications for class 432 subclass 155][List of Patents for class 432 subclass 155]155 Subclass 155 indent level is 2 Chamber heated by multiple combustion products flues
[List of Pre Grant Publications for class 432 subclass 156][List of Patents for class 432 subclass 156]156 Subclass 156 indent level is 1 Crucible or pot heating furnace
 [List of Pre Grant Publications for class 432 subclass 157][List of Patents for class 432 subclass 157]157 Subclass 157 indent level is 2 Having tilting arrangement
 [List of Pre Grant Publications for class 432 subclass 158][List of Patents for class 432 subclass 158]158 Subclass 158 indent level is 2 Pot stand forms annular combustion material admission zone
[List of Pre Grant Publications for class 432 subclass 159][List of Patents for class 432 subclass 159]159 Subclass 159 indent level is 1 Combustion products heat work by contact
 [List of Pre Grant Publications for class 432 subclass 160][List of Patents for class 432 subclass 160]160 Subclass 160 indent level is 2 Furnace or work holder of furnace mounted for tilting discharge
 [List of Pre Grant Publications for class 432 subclass 161][List of Patents for class 432 subclass 161]161 Subclass 161 indent level is 2 Having separator of flow director for melted work
 [List of Pre Grant Publications for class 432 subclass 162][List of Patents for class 432 subclass 162]162 Subclass 162 indent level is 2 Having shelf, rack, tray or chamber on guide or pivot
[List of Pre Grant Publications for class 432 subclass 163][List of Patents for class 432 subclass 163]163 Subclass 163 indent level is 2 Plural structurally related work chambers
 [List of Pre Grant Publications for class 432 subclass 173][List of Patents for class 432 subclass 173]173 Subclass 173 indent level is 2 Having protective cooling means for combustion material feed structure
 [List of Pre Grant Publications for class 432 subclass 174][List of Patents for class 432 subclass 174]174 Subclass 174 indent level is 2 Including noncommunicating combustion products flue
 [List of Pre Grant Publications for class 432 subclass 175][List of Patents for class 432 subclass 175]175 Subclass 175 indent level is 2 Radiant-type burner in or on wall (e.g., surface combustion, etc.)
 [List of Pre Grant Publications for class 432 subclass 176][List of Patents for class 432 subclass 176]176 Subclass 176 indent level is 2 Having exhaust return passage or recirculating fan or jet
 [List of Pre Grant Publications for class 432 subclass 177][List of Patents for class 432 subclass 177]177 Subclass 177 indent level is 2 Chamber exhaust transfers heat with chamber wall
 [List of Pre Grant Publications for class 432 subclass 178][List of Patents for class 432 subclass 178]178 Subclass 178 indent level is 2 Work chamber or its wall heats chamber feed
[List of Pre Grant Publications for class 432 subclass 179][List of Patents for class 432 subclass 179]179 Subclass 179 indent level is 2 Work chamber exhaust heats chamber feed
 [List of Pre Grant Publications for class 432 subclass 183][List of Patents for class 432 subclass 183]183 Subclass 183 indent level is 2 For annular article (e.g., wheel rim, etc.)
 [List of Pre Grant Publications for class 432 subclass 184][List of Patents for class 432 subclass 184]184 Subclass 184 indent level is 2 Article inserted type
 [List of Pre Grant Publications for class 432 subclass 185][List of Patents for class 432 subclass 185]185 Subclass 185 indent level is 2 Dividing baffle or screen in cabinet forms upper work and lower burner chambers
[List of Pre Grant Publications for class 432 subclass 186][List of Patents for class 432 subclass 186]186 Subclass 186 indent level is 2 Distinct combustion chamber feeds work chamber
 [List of Pre Grant Publications for class 432 subclass 193][List of Patents for class 432 subclass 193]193 Subclass 193 indent level is 2 Spaced exhaust ports from work chamber
 [List of Pre Grant Publications for class 432 subclass 194][List of Patents for class 432 subclass 194]194 Subclass 194 indent level is 2 Baffle, shield, heat absorber, work support or flow directing means in work chamber
 [List of Pre Grant Publications for class 432 subclass 195][List of Patents for class 432 subclass 195]195 Subclass 195 indent level is 2 Hearth-type or tank-type furnace
 [List of Pre Grant Publications for class 432 subclass 196][List of Patents for class 432 subclass 196]196 Subclass 196 indent level is 2 Spaced fuel or air feeds to work chamber
 [List of Pre Grant Publications for class 432 subclass 197][List of Patents for class 432 subclass 197]197 Subclass 197 indent level is 1 Having particulate or liquid heat transfer medium in work chamber
 [List of Pre Grant Publications for class 432 subclass 198][List of Patents for class 432 subclass 198]198 Subclass 198 indent level is 1 Means supplying a protective or treating agent other than or additional to air
 [List of Pre Grant Publications for class 432 subclass 199][List of Patents for class 432 subclass 199]199 Subclass 199 indent level is 1 Having work atmosphere recirculating means
[List of Pre Grant Publications for class 432 subclass 200][List of Patents for class 432 subclass 200]200 Subclass 200 indent level is 1 Work chamber having gaseous material supply or removal structure
[List of Pre Grant Publications for class 432 subclass 201][List of Patents for class 432 subclass 201]201 Subclass 201 indent level is 2 Air flow-through type
 [List of Pre Grant Publications for class 432 subclass 205][List of Patents for class 432 subclass 205]205 Subclass 205 indent level is 2 Having pump, jet or valve means establishing chamber pressure distinct from ambient
 [List of Pre Grant Publications for class 432 subclass 206][List of Patents for class 432 subclass 206]206 Subclass 206 indent level is 1 Interior bell forms muffle
[List of Pre Grant Publications for class 432 subclass 207][List of Patents for class 432 subclass 207]207 Subclass 207 indent level is 1 Plural structurally related work heating chambers
 [List of Pre Grant Publications for class 432 subclass 208][List of Patents for class 432 subclass 208]208 Subclass 208 indent level is 2 Chambers are movably or removably mounted retorts
 [List of Pre Grant Publications for class 432 subclass 209][List of Patents for class 432 subclass 209]209 Subclass 209 indent level is 1 Heating tube, element, or flue traverses work space
[List of Pre Grant Publications for class 432 subclass 210][List of Patents for class 432 subclass 210]210 Subclass 210 indent level is 1 Externally heated, liquid holding type of work container
 [List of Pre Grant Publications for class 432 subclass 211][List of Patents for class 432 subclass 211]211 Subclass 211 indent level is 2 Mounted for pouring discharge
[List of Pre Grant Publications for class 432 subclass 212][List of Patents for class 432 subclass 212]212 Subclass 212 indent level is 1 Tortuous, branched or baffled heating flue means within or along chamber wall
 [List of Pre Grant Publications for class 432 subclass 213][List of Patents for class 432 subclass 213]213 Subclass 213 indent level is 2 Having distinct burner units
[List of Pre Grant Publications for class 432 subclass 214][List of Patents for class 432 subclass 214]214 HEAT GENERATING MEANS HEATS HEAT STORAGE MASS OF SOLID MATERIAL
 [List of Pre Grant Publications for class 432 subclass 215][List of Patents for class 432 subclass 215]215 Subclass 215 indent level is 1 Mass is solid fluent heat carrier (e.g., pebbles, etc.)
 [List of Pre Grant Publications for class 432 subclass 216][List of Patents for class 432 subclass 216]216 Subclass 216 indent level is 1 Interconnected separately encased masses
[List of Pre Grant Publications for class 432 subclass 217][List of Patents for class 432 subclass 217]217 Subclass 217 indent level is 1 Dividing wall in casing forms combustion and heat storage chambers
 [List of Pre Grant Publications for class 432 subclass 218][List of Patents for class 432 subclass 218]218 Subclass 218 indent level is 2 Annular divider forms concentric chambers
[List of Pre Grant Publications for class 432 subclass 219][List of Patents for class 432 subclass 219]219 HEAT GENERATOR HEATS GAS OR LIQUID MATERIAL IN A FLOW STRUCTURE
 [List of Pre Grant Publications for class 432 subclass 220][List of Patents for class 432 subclass 220]220 Subclass 220 indent level is 1 With pump for the material driven by energy from the heat generator
 [List of Pre Grant Publications for class 432 subclass 221][List of Patents for class 432 subclass 221]221 Subclass 221 indent level is 1 With means utilizing the heated material for heating work
[List of Pre Grant Publications for class 432 subclass 222][List of Patents for class 432 subclass 222]222 Subclass 222 indent level is 1 Material heated by mixing with combustion products of generator
 [List of Pre Grant Publications for class 432 subclass 223][List of Patents for class 432 subclass 223]223 Subclass 223 indent level is 2 Having means for indirectly exchanging heat between combustion products and material
 [List of Pre Grant Publications for class 432 subclass 224][List of Patents for class 432 subclass 224]224 INSERTED EMITTER TYPE OF HOLLOW ARTICLE INTERIOR HEATER
 [List of Pre Grant Publications for class 432 subclass 225][List of Patents for class 432 subclass 225]225 HEAT APPLICATOR HAVING STRUCTURE FOR MOUNTING IT ON OR AROUND OBJECT TO BE HEATED
 [List of Pre Grant Publications for class 432 subclass 226][List of Patents for class 432 subclass 226]226 HAVING MASK, BAFFLE OR CONDUCTOR CONCENTRATING HEAT ON OR PROTECTING SECTION OF ARTICLE
[List of Pre Grant Publications for class 432 subclass 227][List of Patents for class 432 subclass 227]227 HEAT GENERATOR WITH AN ASSOCIATED WORK SUPPORT OR HEAT DELIVERY STRUCTURE
 [List of Pre Grant Publications for class 432 subclass 228][List of Patents for class 432 subclass 228]228 Subclass 228 indent level is 1 Internally heated roll
 [List of Pre Grant Publications for class 432 subclass 229][List of Patents for class 432 subclass 229]229 Subclass 229 indent level is 1 Movably mounted heat emitter traverses work during heating
 [List of Pre Grant Publications for class 432 subclass 230][List of Patents for class 432 subclass 230]230 Subclass 230 indent level is 1 Means moving or guiding work relative to heat emitter during heating
 [List of Pre Grant Publications for class 432 subclass 231][List of Patents for class 432 subclass 231]231 Subclass 231 indent level is 1 Article engaging and retaining support fixes position of article relative to heat emitter
 [List of Pre Grant Publications for class 432 subclass 232][List of Patents for class 432 subclass 232]232 Subclass 232 indent level is 1 Horizontal, planar, openwork, work support above burner
[List of Pre Grant Publications for class 432 subclass 233][List of Patents for class 432 subclass 233]233 HEATING APPARATUS ELEMENT HAVING PROTECTIVE COOLING STRUCTURE
 [List of Pre Grant Publications for class 432 subclass 234][List of Patents for class 432 subclass 234]234 Subclass 234 indent level is 1 Work skid or rail structure
[List of Pre Grant Publications for class 432 subclass 235][List of Patents for class 432 subclass 235]235 Subclass 235 indent level is 1 Conveyor, chute or work agitator element
 [List of Pre Grant Publications for class 432 subclass 236][List of Patents for class 432 subclass 236]236 Subclass 236 indent level is 2 Roll
 [List of Pre Grant Publications for class 432 subclass 237][List of Patents for class 432 subclass 237]237 Subclass 237 indent level is 1 Door, cover, door frame or rim of cover
 [List of Pre Grant Publications for class 432 subclass 238][List of Patents for class 432 subclass 238]238 Subclass 238 indent level is 1 Wall, floor or roof element
[List of Pre Grant Publications for class 432 subclass 239][List of Patents for class 432 subclass 239]239 WORK FEEDING, AGITATING, DISCHARGING OR CONVEYING SUBCOMBINATION
 [List of Pre Grant Publications for class 432 subclass 240][List of Patents for class 432 subclass 240]240 Subclass 240 indent level is 1 Having support for engaging surface of domestic stove
 [List of Pre Grant Publications for class 432 subclass 241][List of Patents for class 432 subclass 241]241 Subclass 241 indent level is 1 Removable furnace bottom section or kiln cart
 [List of Pre Grant Publications for class 432 subclass 242][List of Patents for class 432 subclass 242]242 Subclass 242 indent level is 1 Having closure or seal for work feeder's entrance passage
 [List of Pre Grant Publications for class 432 subclass 243][List of Patents for class 432 subclass 243]243 Subclass 243 indent level is 1 Outside conveyor track paralleled by chamber wall slot for conveyor arm
 [List of Pre Grant Publications for class 432 subclass 244][List of Patents for class 432 subclass 244]244 Subclass 244 indent level is 1 Seal at chamber wall for conveyor arm or shaft
 [List of Pre Grant Publications for class 432 subclass 245][List of Patents for class 432 subclass 245]245 Subclass 245 indent level is 1 Having distinct heat shield, conductor, director or expansion relief structure
 [List of Pre Grant Publications for class 432 subclass 246][List of Patents for class 432 subclass 246]246 Subclass 246 indent level is 1 Roll-type conveyor element
[List of Pre Grant Publications for class 432 subclass 247][List of Patents for class 432 subclass 247]247 HEATING OR HEAT RETAINING WORK CHAMBER STRUCTURE
 [List of Pre Grant Publications for class 432 subclass 248][List of Patents for class 432 subclass 248]248 Subclass 248 indent level is 1 Protected, lined or reinforced melt holding section
 [List of Pre Grant Publications for class 432 subclass 249][List of Patents for class 432 subclass 249]249 Subclass 249 indent level is 1 Including baffle wall, work shield, or work support element
 [List of Pre Grant Publications for class 432 subclass 250][List of Patents for class 432 subclass 250]250 Subclass 250 indent level is 1 Door, cover or port
 [List of Pre Grant Publications for class 432 subclass 251][List of Patents for class 432 subclass 251]251 Subclass 251 indent level is 1 Having expansion relieving or absorbing means
 [List of Pre Grant Publications for class 432 subclass 252][List of Patents for class 432 subclass 252]252 Subclass 252 indent level is 1 Masonry with metallic casing or support
[List of Pre Grant Publications for class 432 subclass 253][List of Patents for class 432 subclass 253]253 ACCESSORY MEANS FOR HOLDING, SHIELDING OR SUPPORTING WORK WITHIN FURNACE
[List of Pre Grant Publications for class 432 subclass 254.1][List of Patents for class 432 subclass 254.1]254.1 Subclass 254.1 indent level is 1 Fluid tight metallic heat transferring box, shield or hood
 [List of Pre Grant Publications for class 432 subclass 254.2][List of Patents for class 432 subclass 254.2]254.2 Subclass 254.2 indent level is 2 Bell-type hood or support for such hood
[List of Pre Grant Publications for class 432 subclass 258][List of Patents for class 432 subclass 258]258 Subclass 258 indent level is 1 Support structure for heat treating ceramics (e.g., saggars, etc.)
 [List of Pre Grant Publications for class 432 subclass 259][List of Patents for class 432 subclass 259]259 Subclass 259 indent level is 2 Point or line contact support
 [List of Pre Grant Publications for class 432 subclass 260][List of Patents for class 432 subclass 260]260 Subclass 260 indent level is 1 For annular work (e.g., coil separator, etc.)
 [List of Pre Grant Publications for class 432 subclass 261][List of Patents for class 432 subclass 261]261 Subclass 261 indent level is 1 Openwork tray, basket, or grid structure for heat treating metal
[List of Pre Grant Publications for class 432 subclass 262][List of Patents for class 432 subclass 262]262 Subclass 262 indent level is 1 Crucible
 [List of Pre Grant Publications for class 432 subclass 263][List of Patents for class 432 subclass 263]263 Subclass 263 indent level is 2 Having dispensing opening or spout
 [List of Pre Grant Publications for class 432 subclass 264][List of Patents for class 432 subclass 264]264 Subclass 264 indent level is 2 Lined, layered or coated
 [List of Pre Grant Publications for class 432 subclass 265][List of Patents for class 432 subclass 265]265 Subclass 265 indent level is 2 Of particular material
 [List of Pre Grant Publications for class 432 subclass 266][List of Patents for class 432 subclass 266]266 MISCELLANEOUS
 
CROSS-REFERENCE ART COLLECTIONS
 
 [List of Pre Grant Publications for class 432 subclass 500][List of Patents for class 432 subclass 500]500 TOBACCO BARNS
 
FOREIGN ART COLLECTIONS
 
      FOR000          CLASS-RELATED FOREIGN DOCUMENTS

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