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Class Information
Number: 432
Name: Heating >
Description: This is the residual class for apparatus and related methods for the generation of heat and its application to materials; and for subcombinations and adjuncts specialized to such heating.










Class Number Class Name No. of Patents
432/253

Accessory means for holding, shielding or supporting work within furnace

305
432/262

Crucible

60
432/263

Having dispensing opening or spout

20
432/264

Lined, layered or coated

78
432/265

Of particular material

54
432/254.1

Fluid tight metallic heat transferring box, shield or hood

15
432/254.2

Bell-type hood or support for such hood

14
432/260

For annular work (e.g., coil separator, etc.)

24
432/261

Openwork tray, basket, or grid structure for heat treating metal

62
432/258

Support structure for heat treating ceramics (e.g., saggars, etc.)

206
432/259

Point or line contact support

80
432/59

Advancing structure flexing, looping or coiling sheet, web or strand

314
432/60

Internally heated roll

347
432/33

Article or template follower positions heating element relative to article

6
432/90

Boiler and work heating furnace, pot or oven

14
432/91

Having means utilizing generated steam in heating work

18
432/92

Combined

5
432/73

Combustion products, flue or generator and work chamber mounted for relative movement for access

2
432/89

Convertible

1
432/94

Disparate heat sources or fuels

8
432/35

Frangible or fusible safety relief or shutdown means

7
432/62

Geographic or structural installation

10
432/63

Installed on internal combustion engine element

5
432/36

Having condition responsive control

64
432/37

Analyzer or composition sensor of work, work atmosphere or exhaust gas

81
432/46

Condition responsive shutdown requiring reset

6
432/38

Control of or response to apparatus protecting fluid or means

7
432/48

Of cooling, dilution, withdrawal, bypass or circulation of work chamber atmosphere

27
432/43

Of discharging, or stopping the heating of a unit or batch on sensed completion of heating

14
432/44

With cool-down timer or means

4
432/40

Of hot blast stove (i.e., of cowper stove)

14
432/49

Of or by heat generation or transmission

22
432/45

Of or by means sensing or controlling work movement, quantity or position

25
432/47

Of or by pressure of fluid work or work chamber atmosphere

22
432/42

Of protective work shield, cooler or atmosphere; or of heat applicator position

9
432/41

Of purger, purge period, scavenger or cleaner

4
432/39

Of selection or load balancing of furnace exhaust heated regenerators

5
432/64

Having fluid curtain at chamber port or work path

48
432/226

Having mask, baffle or conductor concentrating heat on or protecting section of article

58
432/34

Having operating or controlling device responding to presence of discrete work unit or removable unit holder

12
432/51

Having timing, programming or cycling control means

33
432/52

Of handling or treatment of discrete work batch or unit

6
432/53

And of furnace closure or heating element operator

8
432/93

Having work heating chamber and open access work supporting and heating and heating structure outside of chamber

14
432/225

Heat applicator having structure for mounting it on or around object to be heated

126
432/214

Heat generating means heats heat storage mass of solid material

34
432/217

Dividing wall in casing forms combustion and heat storage chambers

30
432/218

Annular divider forms concentric chambers

3
432/216

Interconnected separately encased masses

9
432/215

Mass is solid fluent heat carrier (e.g., pebbles, etc.)

50
432/219

Heat generator heats gas or liquid material in a flow structure

59
432/222

Material heated by mixing with combustion products of generator

191
432/223

Having means for indirectly exchanging heat between combustion products and material

58
432/221

With means utilizing the heated material for heating work

10
432/220

With pump for the material driven by energy from the heat generator

3
432/227

Heat generator with an associated work support or heat delivery structure

39
432/231

Article engaging and retaining support fixes position of article relative to heat emitter

44
432/232

Horizontal, planar, openwork, work support above burner

5
432/228

Internally heated roll

86
432/230

Means moving or guiding work relative to heat emitter during heating

54
432/229

Movably mounted heat emitter traverses work during heating

26
432/233

Heating apparatus element having protective cooling structure

54
432/235

Conveyor, chute or work agitator element

39
432/236

Roll

61
432/237

Door, cover, door frame or rim of cover

35
432/238

Wall, floor or roof element

71
432/234

Work skid or rail structure

120
432/247

Heating or heat retaining work chamber structure

175
432/250

Door, cover or port

179
432/251

Having expansion relieving or absorbing means

74
432/249

Including baffle wall, work shield, or work support element

81
432/252

Masonry with metallic casing or support

43
432/248

Protected, lined or reinforced melt holding section

67
432/224

Inserted emitter type of hollow article interior heater

49
432/266

Miscellaneous

13
432/1

Processes of heating or heater operation

61
432/8

Continous strip, strand or web passed longitudinally through heating zone

183
432/19

Controlling flame position or work atmosphere

64
432/26

By mode of admission of treating or protecting fluid

26
432/23

Establishing or maintaining composition of atmosphere bathing work

49
432/22

Establishing strata, layer or curtain

19
432/21

Including recycling work atmosphere

27
432/24

Modulating or stabilizing pressure or temperature

56
432/20

Providing flame or high luminosity

19
432/25

Providing pulsed or periodically reversed atmosphere

48
432/31

Heating of or by wall or radiant surface

44
432/4

Including apparatus heat-up, cool-down or protection

69
432/2

Including apparatus purging, cleaning or accretion preventing

81
432/13

Including melting, vaporizing, sintering, expanding comminuting, or classifying work material

188
432/14

Including passing, treating or conveying gas into or through particulate work

420
432/16

Including a dust control or particle separation step

43
432/15

Including maintenance of fluidized bed

182
432/17

Including modulation of flow rate of gas or treated material

47
432/5

Including preparing or arranging work for heating

159
432/7

Forming a permeable layer or sheet

1
432/6

Stacking or aligning objects

91
432/3

Including repairing, converting or assembling apparatus

78
432/27

Including the flowing or circulating of particulate heat carrier

25
432/29

Of heating a fluid

50
432/30

Utilizing a heat storage mass

47
432/28

Of operating a furnace utilizing a heat storage mass

34
432/18

Subjecting work to diverse treatments or graduated temperatures

106
432/9

Treating an article, container, batch or body as a unit

73
432/10

Localized treating or shielding of work area

51
432/12

Modulating, varying or augmenting heat supply during heat-up period

45
432/11

Moving unit through or within treating zone during treating

178
432/95

Shaft type

78
432/96

Having combustion products generated in or fed to shaft

65
432/98

Having agitator or movably mounted baffle for shaft or shaft outlet

34
432/101

Having distinct combustion products generator chamber

31
432/100

Having distinct fume outlet and work inlet

18
432/97

Having flow controller restraining solid and passing melt

31
432/99

Having vertically spaced gas supply ports

78
432/102

Having heat emitting tube or flue within or traversing shaft chamber

36
432/500

Tobacco barns

36
432/103

Tumbler-type rotary - drum furnace

191
432/112

Externally heated drum or associated heating element heats work by conduction or radiation

57
432/113

And having distinct atmosphere supply or removal structure

51
432/114

Heat emitter is tube within the drum chamber or the drum wall

36
432/119

Having brick-type lining

40
432/105

Having combustion products generated in or fed to drum

158
432/107

And having externally heated drum surface or indirect heating flue

64
432/106

Including plural, distinct serially connected work chambers

394
432/108

Work advancing type (e.g., steady flow of work)

32
432/109

Axially spaced feed to drum of combustion or reaction material

31
432/111

Counterflow of work and combustion products

75
432/110

Structure providing different rates of heating or work movement along axis

37
432/115

Having flexible, cooled, or air curtain seal between rotary and stationary parts

75
432/116

Having protective cooling structure

40
432/118

Having structure agitating or controlling the motion of the charge

173
432/104

Having support for engaging heated surface of domestic stove

13
432/117

Having work or work atmosphere feed or discharge structure

83
432/76

With apparatus repair or assembly means

23
432/75

With cleaning means for apparatus

60
432/55

With concurrent control or inter-control of diverse operable elements

12
432/56

Door or baffle movement correlated with work movement or placement

12
432/57

Heating gas supply, removal or recirculation correlated with work or door movement or placement

9
432/66

With condenser or absorber for work chamber vapor

11
432/74

With drip, leakage, breakage or soil collecting structure

3
432/65

With heat shield, or escaping gas collector at furnace chamber access area

31
432/58

With heating gas conveying, agitating, scattering or disintegration of work (e.g., fluidized bed, etc.)

567
432/32

With indicator, illuminator or inspection means

35
432/54

With interlocked, interconnected or multiway controller alternating flow of heated and heating fluid

10
432/61

With lump breaker or classifier for particulate work material

7
432/72

With means diluting, purifying or burning exhaust gases

280
432/86

With means receiving work from work heating zone discharge means

5
432/67

With means separating solid particles or slag from work chamber gas

16
432/70

At regenerator or recuperator (e.g., slag pocket, etc.)

2
432/71

With separated solid discharge structure

2
432/68

Separator discharges gas to work zone

9
432/69

With means passing separated solid to heating zone

9
432/87

With means supplying work to work feeder

4
432/50

With protector, cleaner or support for condition sensor

8
432/88

With wheel, handle, or skid-type support for heater assembly

5
432/77

With work cooling structure

182
432/78

Combustion feed air cools exiting work by contact

96
432/79

Contact at discharge end section of shaft furnace

16
432/80

Work manipulated in cooling zone

69
432/85

Cooling liquid contacts work

36
432/82

Entering and leaving work exchange heat

24
432/83

Work heat removed through heat transmitting wall

43
432/84

Combustion feed material cools wall

6
432/81

Work holder having selectively usable heating and cooling structure

29
432/120

Work chamber having heating means

78
432/159

Combustion products heat work by contact

35
432/184

Article inserted type

9
432/194

Baffle, shield, heat absorber, work support or flow directing means in work chamber

45
432/177

Chamber exhaust transfers heat with chamber wall

15
432/186

Distinct combustion chamber feeds work chamber

13
432/190

Distinct vertically spaced combustion products feed openings to work chamber

6
432/187

Having additional feed means diluting combustion products

5
432/189

Having pump or jet means forcing air into combustion chamber

15
432/192

Multiple perforate wall, floor or roof for combustion feed or exit

44
432/191

Plural distinct combustion chambers feed single work chamber

1
432/188

Work chamber indirectly heating by common wall or connecting flue

6
432/185

Dividing baffle or screen in cabinet forms upper work and lower burner chambers

10
432/183

For annular article (e.g., wheel rim, etc.)

5
432/160

Furnace or work holder of furnace mounted for tilting discharge

8
432/176

Having exhaust return passage or recirculating fan or jet

103
432/173

Having protective cooling means for combustion material feed structure

7
432/161

Having separator of flow director for melted work

30
432/162

Having shelf, rack, tray or chamber on guide or pivot

28
432/195

Hearth-type or tank-type furnace

28
432/174

Including noncommunicating combustion products flue

4
432/163

Plural structurally related work chambers

18
432/164

Connected for serial flow of combustion products

18
432/166

Chambers spatially separated

0
432/170

Having branch connection to common flue

6
432/165

Having serially connected regenerator

0
432/167

Having temporary partition

3
432/168

Through perforated floor

4
432/169

Through perforated partition

1
432/171

Diverse atmospheres (e.g., directly and indirectly heated, etc.)

18
432/172

Fed with combustion products from a common generator

5
432/175

Radiant-type burner in or on wall (e.g., surface combustion, etc.)

60
432/193

Spaced exhaust ports from work chamber

9
432/196

Spaced fuel or air feeds to work chamber

30
432/179

Work chamber exhaust heats chamber feed

76
432/180

By regenerative-type heat exchanger

142
432/181

Spaced alternating or successive chamber exhausts feed plural regenerators

137
432/182

Regenerators heat fuel

38
432/178

Work chamber or its wall heats chamber feed

10
432/156

Crucible or pot heating furnace

72
432/157

Having tilting arrangement

22
432/158

Pot stand forms annular combustion material admission zone

8
432/210

Externally heated, liquid holding type of work container

35
432/211

Mounted for pouring discharge

5
432/121

Having means by which work is progressed or moved mechanically

217
432/155

Chamber heated by multiple combustion products flues

2
432/136

Combustion products generated in or fed to chamber

27
432/143

Having means forming work path from inlet to outlet

32
432/148

Baffle, heat radiator, or heating flue in chamber along path

72
432/149

Combustion material supply ports spaced along path

18
432/144

Having structure circulating work atmosphere along or across path

106
432/145

Distinct blowers or blower discharge ports along path

80
432/146

Plural burners longitudinal spaced in path

46
432/147

Radiant type

31
432/150

Spaced combustion products exhaust ports

11
432/137

Movable chamber floor section carried by external guide or axle

75
432/138

Rotary section

84
432/139

Plough, rake, screw, or stirrer means

63
432/140

Moved by endless carrier

8
432/141

Rotatably mounted work carrier (e.g., ferris wheel type, etc.)

18
432/142

Horizontal shelf on vertical axis

21
432/152

Having distinct atmosphere supply, removal or recirculation structure

262
432/122

Having manipulating means arranging, orienting, segregating or topically heating individual unit

99
432/123

Handler outside of chamber supports unit partially within and partially outside of furnace chamber

20
432/124

Having structure rotating, reorienting, or inverting unit during heating

118
432/126

Thrust means advances row or stack of units

47
432/127

Having structure for removing skid marks

19
432/125

Vertical stack or mutually supporting units having thrust means

15
432/128

Plural distinct chambers

173
432/133

Having combustion products generated in or fed to work chamber

57
432/129

Work moved to drop between shelf or trough-type chambers

12
432/130

Combustion products generated in or fed to chamber

13
432/131

Annular shelves and rotary pusher on central vertical axis

14
432/132

Heated shelf or trough

10
432/151

Stirrer in externally heated tank

20
432/135

Traveling heat emitter carries or stirs work

5
432/134

Vibrating or jarring-type work advancer

38
432/153

Work or work carrier slides on heated chamber wall or floor

35
432/154

Screw-type pusher

9
432/197

Having particulate or liquid heat transfer medium in work chamber

61
432/199

Having work atmosphere recirculating means

89
432/209

Heating tube, element, or flue traverses work space

100
432/206

Interior bell forms muffle

57
432/198

Means supplying a protective or treating agent other than or additional to air

49
432/207

Plural structurally related work heating chambers

21
432/208

Chambers are movably or removably mounted retorts

10
432/212

Tortuous, branched or baffled heating flue means within or along chamber wall

18
432/213

Having distinct burner units

8
432/200

Work chamber having gaseous material supply or removal structure

57
432/201

Air flow-through type

18
432/204

Having a movable drawer or separable tray

3
432/202

Having means heating work by radiation or conduction

30
432/203

Pump for atmosphere

12
432/205

Having pump, jet or valve means establishing chamber pressure distinct from ambient

141
432/239

Work feeding, agitating, discharging or conveying subcombination

242
432/242

Having closure or seal for work feeder's entrance passage

148
432/245

Having distinct heat shield, conductor, director or expansion relief structure

39
432/240

Having support for engaging surface of domestic stove

0
432/243

Outside conveyor track paralleled by chamber wall slot for conveyor arm

32
432/241

Removable furnace bottom section or kiln cart

255
432/246

Roll-type conveyor element

105
432/244

Seal at chamber wall for conveyor arm or shaft

29
 
 
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