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Class Information
Number: 432/4.5
Name: Heating >

Sub-classes under this class:

Class Number Class Name Patents
432/1 Processes of heating or heater operation 61
432/103 Tumbler-type rotary - drum furnace 191
432/120 Work chamber having heating means 78
432/214 Heat generating means heats heat storage mass of solid material 34
432/219 Heat generator heats gas or liquid material in a flow structure 59
432/224 Inserted emitter type of hollow article interior heater 49
432/225 Heat applicator having structure for mounting it on or around object to be heated 126
432/226 Having mask, baffle or conductor concentrating heat on or protecting section of article 58
432/227 Heat generator with an associated work support or heat delivery structure 39
432/233 Heating apparatus element having protective cooling structure 54
432/239 Work feeding, agitating, discharging or conveying subcombination 242
432/247 Heating or heat retaining work chamber structure 175
432/253 Accessory means for holding, shielding or supporting work within furnace 305
432/266 Miscellaneous 13
432/32 With indicator, illuminator or inspection means 35
432/33 Article or template follower positions heating element relative to article 6
432/34 Having operating or controlling device responding to presence of discrete work unit or removable unit holder 12
432/35 Frangible or fusible safety relief or shutdown means 7
432/36 Having condition responsive control 64
432/50 With protector, cleaner or support for condition sensor 8
432/500 Tobacco barns 36
432/51 Having timing, programming or cycling control means 33
432/54 With interlocked, interconnected or multiway controller alternating flow of heated and heating fluid 10
432/55 With concurrent control or inter-control of diverse operable elements 12
432/58 With heating gas conveying, agitating, scattering or disintegration of work (e.g., fluidized bed, etc.) 567
432/59 Advancing structure flexing, looping or coiling sheet, web or strand 314
432/61 With lump breaker or classifier for particulate work material 7
432/62 Geographic or structural installation 10
432/64 Having fluid curtain at chamber port or work path 48
432/65 With heat shield, or escaping gas collector at furnace chamber access area 31
432/66 With condenser or absorber for work chamber vapor 11
432/67 With means separating solid particles or slag from work chamber gas 16
432/72 With means diluting, purifying or burning exhaust gases 280
432/73 Combustion products, flue or generator and work chamber mounted for relative movement for access 2
432/74 With drip, leakage, breakage or soil collecting structure 3
432/75 With cleaning means for apparatus 60
432/76 With apparatus repair or assembly means 23
432/77 With work cooling structure 182
432/86 With means receiving work from work heating zone discharge means 5
432/87 With means supplying work to work feeder 4
432/88 With wheel, handle, or skid-type support for heater assembly 5
432/89 Convertible 1
432/90 Boiler and work heating furnace, pot or oven 14
432/92 Combined 5
432/93 Having work heating chamber and open access work supporting and heating and heating structure outside of chamber 14
432/94 Disparate heat sources or fuels 8
432/95 Shaft type 78

Patents under this class:

Patent Number Title Of Patent Date Issued

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