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Class Information
Number: 48
Name: Gas: heating and illuminating >
Description: This class relates only to gas for heating and illuminating purposes and includes apparatus, processes, and compositions for the manufacture of such gas and means for the purification, distribution, and storage thereof.










Class Number Class Name No. of Patents
 

Acetylene

 
48/59

Carbide cartridges

1
48/60

Conglomerate

4
48/1

Generation and liquefaction

2
48/2

Generator and holder

1
48/3R

Generator and mixer

2
48/3A

Special features

1
 

Generators

 
48/56

Automatic safety escape

2
48/38

Carbide feed

3
48/39

Apron or belt

2
48/40

Cock

0
48/41

Dip

0
48/42

Cell series

0
48/43

Flap valve

0
48/44

Hand

0
48/45

Dip

0
48/46

Measured charges

0
48/47

Cartridges

0
48/48

Rotary carrier

1
48/49

Vertical

3
48/50

Stationary

0
48/51

Piston

1
48/52

Plate valve

2
48/53

Pop valve

1
48/53.1

Bell operated

0
48/53.2

Bell and holder combined

0
48/53.3

Diaphragm operated

0
48/53.4

Float operated

0
48/54

Screw

1
48/55

Slide valve

1
48/57

Sludge remover

4
48/58

Valves, gas and water feed

0
48/4

Water feed

8
48/25

Capillary

4
48/26

Adjustable

1
48/24

Cell series

2
48/19

Ebb and flow

1
48/21

Cell series

1
48/22

Concentric

2
48/20

Series

0
48/29

Expansible carbide container

0
48/30

Expansible water holder

0
48/5

Holder operated

0
48/8

Cell series

0
48/9

Gasometer and high-pressure holder

0
48/10

Interior valve

1
48/11

Rotary cylinder

1
48/6

Series

0
48/7

Automatic switch

1
48/12

Underfeed

0
48/13

Valveless

0
48/14

Displacer

0
48/15

Flexible tube

0
48/16

Generator supported

0
48/17

Siphon

1
48/18

Tilting

0
48/31

Inexpansible gas holder and water feed

0
48/36

Interlocking devices

0
48/32R

Oscillating

0
48/32A

Floating generator or carbide container

0
48/32B

With inversion to contact carbide

0
48/27

Percolating

0
48/28

Pressure valves

1
48/37

Pressure valves

1
48/33

Rotary cylinder

0
48/34

Rotary grate

1
48/23

Series

2
48/35

Underfeed

2
48/127.9

Apparatus for converting or treating hydrocarbon gas

507
48/144

Carburetors

15
48/160

Gravity

0
48/170

Center and by-pass valves

1
48/DIG.10

Computer resisted control

31
48/127.1

Conversion of hydrocarbon gas and blending of product with further hydrocarbon gas, process

98
48/DIG.5

Diffusion membrane for gas reaction or separation

32
48/190

Distribution

59
48/193

Leakage

13
48/195

Odorizers

25
48/194

Preventing

10
48/191

Regulating pressure

36
48/192

Safety devices

67
48/173

Exhausters

1
48/61

Generators

790
48/62R

Cupola

129
48/87

Accessories

93
48/63

Air and steam injected

130
48/64

Superheated

11
48/85

Carbon monoxide

16
48/86R

Chargers

130
48/86A

Gas making underfeed

13
48/72

Coal and oil

16
48/73

Coal and water

88
48/71

Coal, oil and water

18
48/77

Coal

277
48/65

Electric

28
 

Fuel agitating

 
48/85.1

Movable wall

7
48/85.2

Stirrer

22
48/75

Oil and steam injected

38
48/62A

Partial combustion carburetor

4
48/76

Producers

198
48/74

Refractory filling

17
48/66

Rotary bottom

24
48/67

Water jacket

74
48/68

Rotary bottom

12
48/69

Water-seal pit

88
48/78

Water

18
48/79

Carburetor

3
48/80

Fixer

0
48/81

Retort

3
48/84

Oil gas

7
48/82

Up-and-down run

2
48/83

Interlocking valves

3
 

Hydrogen

 
48/116

Carburetor

11
48/117

Air

17
48/118

Floating oil

1
48/118.5

Portable

29
48/89

Retort

68
48/100

Coal and oil

6
48/99

Coal and water

27
48/98

Coal, oil and water

4
48/101

Coal

53
48/90

Domestic plants

1
48/113

Furnaces

15
48/92

Metal bath

67
48/93

Oil and gas injected

22
48/94

Oil and steam injected

106
48/95

Air

51
48/96

Carburetor

3
48/102R

Oil

10
48/107

Air injected

46
48/106

Automatic feed

2
48/103

Electric heater

22
48/104

Jet mixers

2
48/105

Steam injected

13
48/102A

Utilizing heat from exhaust gases

25
48/108

Water

8
48/109

Carburetor

0
48/110

Oil gas

0
48/111

Wood

190
48/112

Oil

3
48/DIG.3

High pressure

7
48/174

Holders

25
48/176

Bell and tank

6
48/177

Sectional bell

0
48/178

Collapsible

3
48/175

High-pressure safety escape

2
48/179

Tank

4
48/DIG.8

Internal combustion engine for gas making

10
48/127.3

Methane (natural gas) -containing product, or treatment or recovery process

146
48/127.5

Process including chemical reaction

103
48/127.7

Catalytic

158
48/180.1

Mixers

117
48/189.3

Auxilary air inlet

18
48/181

Bell and tank

0
48/182

Anterior

0
48/183

Posterior

1
48/184

Diaphragm

23
48/185

Gravity

0
48/189.4

Mixer in flow path of existing mixture

85
48/189.6

Includes element made of engaged strands or fibers, e.g., screen, fabric, etc.

33
48/189.5

Rotating mixer

31
48/186

Pump

1
48/187

Rotary drum

4
48/188

Anterior

0
48/189

Posterior

30
48/189.1

Three or more different fluids entering apparatus

17
48/189.2

With heating means

27
48/DIG.4

Powdered fuel injection

61
48/197R

Processes

1380
48/216

Acetylene

14
48/217

Slow

0
48/219

Carbureting

7
48/201

Coal and oil

39
48/202

Coal and water

330
48/200

Coal, oil and water

38
48/210

Coal

552
48/197FM

Fuel mixtures

100
 

Hydrogen

 
48/199R

Carbureting

11
48/199FM

Fuel mixtures

26
48/198.1

Manufacture from methane (natural gas)

105
48/198.2

Employing carbon particles, porous barrier element or molten material

35
48/198.7

Employing catalytic particles

161
48/198.5

Employing oxygen donor particles or carbidable metal particles

14
48/198.6

Specified direction of gas travel through particle mass, e.g., fluidization, flow reversal, etc.

36
48/198.8

With specified reactant velocity, angle of entry to reactor or mechanical energy production, e.g., use of internal combustion engine, etc.

34
48/198.3

With specified treatment of converted product, e.g., purification, particular cooling, testing, etc.

115
48/214R

Oil and steam injected

54
48/215

Air

153
48/214A

Catalytic processes

121
48/211

Oil

58
48/212

Air injected

93
48/213

Gas injected

47
48/203

Producer

178
48/197A

Sewage treatment

164
48/204

Water

28
48/205

Carbureting

1
48/206

Continuous

309
48/207

Down run

8
48/208

Up-and-down run

3
48/209

Wood

231
48/128

Purifiers

132
48/DIG.1

Recirculation of gases produced to lower part of fuel bed

9
48/119

Retorts

35
48/126

Attachments

8
48/120

Compounds

26
48/122

Inclined

2
48/124

Lids

4
48/123

Vertical

12
48/DIG.2

Slagging producer

130
48/DIG.7

Slurry

76
48/DIG.9

Solar gasification

10
48/DIG.6

Underground gasification of coal

45
 
 
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