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Class Information
Number: 261
Name: Gas and liquid contact apparatus >
Description: Apparatus specially adapted to produce an intimate contact between gases and liquids to exchange properties or mutually modify conditions.


Class Number Class Name No. of Patents
261/DIG.43

Air coolers

25
261/DIG.3

Air cooling

53
261/DIG.35

Air line lubricators

0
261/DIG.2

Airplane

17
261/DIG.88

Aroma dispensers

254
261/DIG.89

Electrically heated aroma dispensers

79
261/DIG.4

Auto humidifiers

38
261/DIG.34

Automatic humidity regulation

28
261/DIG.1

Auxiliary air inlet carburetors

35
261/DIG.6

Backfire

10
261/DIG.28

Blood oxygenators

136
261/DIG.7

Carbonators

287
261/DIG.36

Carburetor manifolds

2
261/DIG.73

Carburetor primers; ticklers

3
261/DIG.8

Carburetor primers

94
261/DIG.12

Carburetor venturi

15
261/DIG.52

Carburetor with valves

2
261/DIG.51

Carburetors with supercharging blowers

18
261/DIG.67

Carburetors with vented bowl

73
261/DIG.58

Choke tube having plurality of leaves

6
261/DIG.59

Choke tube leaves flexible

3
261/75

Contact devices

33
261/78.1

Atomizer type

135
261/78.2

Noncarburetor

234
261/76

Injector type

296
261/77

Submerged blast

241
261/115

Liquid spray

132
261/116

Aspirating

207
261/117

Opposed

88
261/118

Transverse

173
261/119.1

Liquid tank

148
261/119.2

Carburetor

5
261/120

Floating distributor

174
261/125

Multiple receptacle

23
261/121.1

Submerged blast

273
261/121.3

Carburetor vented nozzle

58
261/121.4

Air inlet valve

130
261/121.2

Minnow bucket

48
261/124

Multiple jet

346
261/123

Submerged baffle

281
261/122.1

Submerged screen

378
261/122.2

With closable apertures

67
261/126

Upflowing gases

42
261/94

Porous mass

211
261/96

Gas-flow control

99
261/97

Liquid-flow control

233
261/99

Capillary feed

68
261/98

Spray

97
261/95

Surface contact

69
261/100

Porous sheet

47
261/107

Capillary feed

133
261/105

Gas-flow control

47
261/106

Liquid downflow

130
261/101

Surface contact

28
261/104

Capillary feed

204
261/102

Gas-flow control

30
261/103

Liquid downflow

30
261/81

Reciprocating

146
261/82

Piston

30
261/79.1

Rotating gases

67
261/79.2

Noncarburetor

274
261/83

Rotating

27
261/84

Impeller

86
261/91

Dipping

166
261/92

Horizontal axis

145
261/85

Hollow shaft

8
261/87

Gas delivering

174
261/86

Gas trapping

7
261/88

Liquid spraying

51
261/89

Sprayed

105
261/90

Horizontal axis

51
261/93

Submerged blast

281
261/80

Traveling strip

17
261/108

Wet baffle

43
261/109

Gas-flow control

116
261/110

Liquid-flow control

117
261/112.1

Film

233
261/112.2

Corrugated plates

253
261/111

Spray

161
261/114.1

Overflow baffles

249
261/114.2

Bubble caps

69
261/114.3

Jet plates

70
261/114.5

Tray construction

148
261/114.4

Valve tray

42
261/113

Perforated baffles

142
261/DIG.79

Cooling ponds

15
261/DIG.86

Cooling tower ice prevention

4
261/DIG.87

Cooling tower power generators

11
261/DIG.11

Cooling towers

355
261/DIG.16

Cream whipping

35
261/DIG.18

Dashpots

20
261/DIG.19

Degassers

84
261/DIG.20

Deicers for carburetors

16
261/DIG.13

Desuperheaters

29
261/DIG.68

Diaphragm-controlled inlet valve

122
261/DIG.14

Display stands

9
261/DIG.21

Drawing excess fuel from carbureting passage

14
261/DIG.85

Droplet catchers

21
261/DIG.15

Duct humidifiers

65
261/DIG.60

Duplex barrels

2
261/DIG.80

Electrical treatment

27
261/DIG.22

Faucet aerators

7
261/DIG.75

Flowing liquid aspirates gas

430
261/DIG.69

Fluid amplifiers in carburetors

9
261/19

Fluid distribution

25
261/74

Contact receptacle

21
261/72.1

Liquid supply tank

171
261/72.2

Aviation carburetor

1
261/73

Barometric

7
261/24

Pumping

44
261/26

Automatic control

115
261/27

Liquid inlet

50
261/28

Gas and liquid

78
261/29

Liquid circuit

128
261/30

Gas inlet

264
261/31

Churn type

1
261/33

Reciprocating dasher

0
261/32

Rotary dasher

1
261/25

Liquid operated

19
261/34.1

Liquid

52
261/34.2

Accelerator pump

77
261/34.3

With thermostatic control

21
261/35

Gas operated

169
261/36.1

In circuit

210
261/36.2

Carburetor

76
261/37

Inlet

40
261/20

Systems

10
261/23.1

Parallel

83
261/23.2

Carburetors

167
261/23.4

Rotary engine

2
261/23.3

Stratified charge

37
261/21

Series

36
261/22

Gas connections

48
261/38

Valved

18
261/62

Contact space

113
261/63

Gas by-pass

71
261/64.1

Gas inlet

116
261/64.2

Anterior throttle

7
261/64.5

Float control

14
261/64.3

Pressure control

79
261/64.6

Starting choke

53
261/64.4

Suction operated

44
261/65

Gas outlet

129
261/66

Liquid inlet

70
261/70

Float controlled

73
261/69.1

Gas pressure controlled

103
261/69.2

Wet diaphragm

31
261/71

Manual

94
261/67

Plural

55
261/68

Float and manual

5
261/40

Multiple jet

21
261/41.1

Progressive

22
261/41.5

Bypass opening beyond throttle

111
261/41.4

Multiple jet manual control

18
261/41.2

With parallel carbureting passages

2
261/41.3

With control of plural passages

22
261/42

Multiple valves

13
261/43

Connected

18
261/44.1

Contact space

17
261/44.2

Contact valve with hollow shaft supplying liquid

61
261/44.5

Longitudinally movable air or mixture valve

46
261/44.6

Rotating air or mixture valve

32
261/44.8

Cylinder or plug-valve type

49
261/44.7

Off-center pivoted

30
261/44.3

Traversely reciprocating air or mixture valve

74
261/44.4

Suction operated

106
261/44.9

Variable-shape passage

10
261/45

Gas by-pass

12
261/46

With gas inlet

26
261/47

With gas outlet

26
261/48

With liquid inlet

7
261/52

Gas inlet and outlet

105
261/49

Liquid inlet

4
261/50.1

With gas inlet

56
261/50.3

Noncarburetor

8
261/50.2

Suction operated gas inlet valve

148
261/51

With gas outlet

50
261/53

Contact space

30
261/54

Gas by-pass

3
261/55

With gas inlet

18
261/56

With gas outlet

9
261/57

With liquid inlet

6
261/61

Gas inlet and outlet

7
261/58

Liquid inlet

4
261/59

With gas inlet

20
261/60

With gas outlet

6
261/39.1

Thermostatic

65
261/39.4

Carburetor spring linkage with temperature element

15
261/39.3

With carburetor bimetallic actuating means

92
261/39.6

With carburetor electrical heater

50
261/39.2

With carburetor expansible fluid actuating means

83
261/39.5

Without carburetor choke means

61
261/DIG.26

Foam

191
261/DIG.24

Fuel feeding valve retaining

1
261/DIG.23

Fuel feeding valves

5
261/DIG.25

Fuel spread out into a film

3
261/DIG.83

Fuel vapor generation

43
261/DIG.9

Furnace gas scrubbers

117
261/DIG.27

Gas circulated in circuit

30
261/DIG.32

Heaters and condensers

10
261/DIG.29

Heaters submerged in liquid

4
261/DIG.33

Heaters, spray

0
261/DIG.31

Heaters

2
261/158

Indirect interchange or heat between contact fluids

21
261/159

Incoming fluid exchanges heat

22
261/160

With fluid at or downstream of contact zone

18
261/161

Incoming exchanging fluid is feed gas

28
261/DIG.57

Interchangeable chore tube

8
261/DIG.39

Liquid feeding nozzles

126
261/DIG.61

Longitudinally reciprocating choke tube (along air passage)

1
261/DIG.62

Longitudinally reciprocating choke tube having movable parts

0
261/DIG.64

Longitudinally reciprocating choke tube, suction-operated

4
261/DIG.63

Longitudinally reciprocating choke tube, throttle-operated

5
261/1

Miscellaneous

39
261/DIG.37

Modern pumps diaphragm

2
261/18.1

Multiple diverse liquids

57
261/18.4

Antidetonant

3
261/18.3

Multiple fuels

31
261/18.2

Water added to charge

75
261/16

Multiple gas

51
261/17

Furnace-gas type

54
261/DIG.38

Needle valves

111
261/DIG.17

Odorizers

59
261/DIG.40

Oil filter for fuel entering nozzles or float chamber

1
261/DIG.44

Overflow trough

25
261/DIG.42

Ozonizers

102
261/DIG.72

Packing elements

277
261/DIG.41

Pad retaining means in humidifiers and air conditioners

47
261/DIG.81

Percolation control

35
261/DIG.77

Plume abatement

55
261/DIG.45

Processes carburetors

1
261/DIG.55

Reatomizers

46
261/DIG.46

Residue prevention in humidifiers and air conditioners

94
261/DIG.70

Sewage aerators; diffusers

47
261/DIG.71

Sewage aerators; rotating

16
261/DIG.78

Sonic flow

81
261/DIG.48

Sonic vibrators

158
261/DIG.10

Steam heaters and condensers

37
261/DIG.76

Steam

92
261/DIG.49

Suction operated feed valve

3
261/DIG.50

Surge prevention in carburetors

28
261/DIG.47

Swing diffusers

21
261/DIG.84

Tamperproof

57
261/DIG.30

Tray heaters

0
261/DIG.82

Upper end injectors

46
261/DIG.74

Valve actuation; electrical

165
261/DIG.53

Valve actuation

0
261/DIG.65

Vaporizers

408
261/DIG.56

Variable venturi

109
261/DIG.54

Venturi scrubbers

155
261/DIG.66

Water injection to prevent detonation

5
261/127

With external supply or removal of heat

29
261/131

Automatic control of heat supply or heat effect

52
261/136

Combined

4
261/138

Diverse heat supply or removal means

16
261/139

Electric heater

9
261/152

Heat exchange means at or downstream of contact zone

90
261/155

Contact fluid passage surrounds external fluid flow passage

43
261/156

Fins or deflectors in contact fluid passage of heat exchanger

54
261/153

Gas exposed liquid body or sheet contacting heat exchanger

184
261/154

Porous type gas-liquid contactor exposed to heat exchanger

55
261/157

With heat exchange means for feed fluid

45
261/150

Heat exchange means in one of plural liquid feed paths

13
261/141

Heat producer

35
261/142

Electric heater

342
261/143

Means burning contact product

3
261/144

Internal combustion engine

78
261/145

Engine fuel supply means heated by exhaust manifold

58
261/137

Interconnected heat supply and contact fluid flow controllers

9
261/146

Plural distinct contact zones

18
261/147

Serially arranged in flow path

35
261/148

Counter flowing gas and liquid (e.g., absorption or rectification column)

32
261/149

Heat exchanger in flow path spaced from contact zones

25
261/128

Processes

91
261/151

Recirculating fluid

82
261/140.1

Refrigeration producer

42
261/140.2

Absorption means

9
261/129

Temperature or humidity sensor

38
261/130

Heat supply or removal control

85
261/135

With indicator or tester

11
261/133

With mixer for supplementary gas and gaseous contactor product

11
261/134

Pressure responsive supplementary gas supply means

4
261/2

With liquid separations

9
261/7

Decanting

9
261/8

Unitary structure

2
261/5

Filtering

38
261/6

Unitary structure

11
261/3

In circuit

20
261/4

On inlet

24
 
 
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