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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

30
261/DIG.3

Air cooling

54
261/DIG.35

Air line lubricators

0
261/DIG.2

Airplane

18
261/DIG.88

Aroma dispensers

280
261/DIG.89

Electrically heated aroma dispensers

85
261/DIG.4

Auto humidifiers

42
261/DIG.34

Automatic humidity regulation

32
261/DIG.1

Auxiliary air inlet carburetors

45
261/DIG.6

Backfire

10
261/DIG.28

Blood oxygenators

137
261/DIG.7

Carbonators

311
261/DIG.36

Carburetor manifolds

2
261/DIG.73

Carburetor primers; ticklers

3
261/DIG.8

Carburetor primers

102
261/DIG.12

Carburetor venturi

19
261/DIG.52

Carburetor with valves

2
261/DIG.51

Carburetors with supercharging blowers

18
261/DIG.67

Carburetors with vented bowl

76
261/DIG.58

Choke tube having plurality of leaves

6
261/DIG.59

Choke tube leaves flexible

3
261/75

Contact devices

60
261/78.1

Atomizer type

156
261/78.2

Noncarburetor

288
261/76

Injector type

355
261/77

Submerged blast

274
261/115

Liquid spray

179
261/116

Aspirating

238
261/117

Opposed

117
261/118

Transverse

228
261/119.1

Liquid tank

178
261/119.2

Carburetor

6
261/120

Floating distributor

205
261/125

Multiple receptacle

24
261/121.1

Submerged blast

315
261/121.3

Carburetor vented nozzle

58
261/121.4

Air inlet valve

132
261/121.2

Minnow bucket

49
261/124

Multiple jet

392
261/123

Submerged baffle

308
261/122.1

Submerged screen

446
261/122.2

With closable apertures

74
261/126

Upflowing gases

55
261/94

Porous mass

235
261/96

Gas-flow control

119
261/97

Liquid-flow control

263
261/99

Capillary feed

87
261/98

Spray

106
261/95

Surface contact

84
261/100

Porous sheet

63
261/107

Capillary feed

147
261/105

Gas-flow control

58
261/106

Liquid downflow

140
261/101

Surface contact

40
261/104

Capillary feed

253
261/102

Gas-flow control

41
261/103

Liquid downflow

33
261/81

Reciprocating

165
261/82

Piston

34
261/79.1

Rotating gases

78
261/79.2

Noncarburetor

307
261/83

Rotating

47
261/84

Impeller

97
261/91

Dipping

193
261/92

Horizontal axis

167
261/85

Hollow shaft

11
261/87

Gas delivering

197
261/86

Gas trapping

9
261/88

Liquid spraying

53
261/89

Sprayed

112
261/90

Horizontal axis

54
261/93

Submerged blast

314
261/80

Traveling strip

18
261/108

Wet baffle

55
261/109

Gas-flow control

130
261/110

Liquid-flow control

137
261/112.1

Film

249
261/112.2

Corrugated plates

266
261/111

Spray

169
261/114.1

Overflow baffles

281
261/114.2

Bubble caps

77
261/114.3

Jet plates

77
261/114.5

Tray construction

195
261/114.4

Valve tray

59
261/113

Perforated baffles

162
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

384
261/DIG.16

Cream whipping

38
261/DIG.18

Dashpots

20
261/DIG.19

Degassers

86
261/DIG.20

Deicers for carburetors

16
261/DIG.13

Desuperheaters

32
261/DIG.68

Diaphragm-controlled inlet valve

125
261/DIG.14

Display stands

10
261/DIG.21

Drawing excess fuel from carbureting passage

14
261/DIG.85

Droplet catchers

21
261/DIG.15

Duct humidifiers

77
261/DIG.60

Duplex barrels

2
261/DIG.80

Electrical treatment

27
261/DIG.22

Faucet aerators

8
261/DIG.75

Flowing liquid aspirates gas

450
261/DIG.69

Fluid amplifiers in carburetors

9
261/19

Fluid distribution

38
261/74

Contact receptacle

34
261/72.1

Liquid supply tank

191
261/72.2

Aviation carburetor

1
261/73

Barometric

7
261/24

Pumping

44
261/26

Automatic control

146
261/27

Liquid inlet

61
261/28

Gas and liquid

115
261/29

Liquid circuit

144
261/30

Gas inlet

300
261/31

Churn type

1
261/33

Reciprocating dasher

0
261/32

Rotary dasher

1
261/25

Liquid operated

21
261/34.1

Liquid

57
261/34.2

Accelerator pump

79
261/34.3

With thermostatic control

21
261/35

Gas operated

182
261/36.1

In circuit

227
261/36.2

Carburetor

83
261/37

Inlet

45
261/20

Systems

16
261/23.1

Parallel

93
261/23.2

Carburetors

177
261/23.4

Rotary engine

2
261/23.3

Stratified charge

47
261/21

Series

41
261/22

Gas connections

53
261/38

Valved

24
261/62

Contact space

124
261/63

Gas by-pass

80
261/64.1

Gas inlet

127
261/64.2

Anterior throttle

7
261/64.5

Float control

17
261/64.3

Pressure control

88
261/64.6

Starting choke

59
261/64.4

Suction operated

44
261/65

Gas outlet

141
261/66

Liquid inlet

87
261/70

Float controlled

80
261/69.1

Gas pressure controlled

109
261/69.2

Wet diaphragm

32
261/71

Manual

103
261/67

Plural

56
261/68

Float and manual

6
261/40

Multiple jet

21
261/41.1

Progressive

22
261/41.5

Bypass opening beyond throttle

112
261/41.4

Multiple jet manual control

18
261/41.2

With parallel carbureting passages

3
261/41.3

With control of plural passages

22
261/42

Multiple valves

17
261/43

Connected

24
261/44.1

Contact space

18
261/44.2

Contact valve with hollow shaft supplying liquid

63
261/44.5

Longitudinally movable air or mixture valve

46
261/44.6

Rotating air or mixture valve

36
261/44.8

Cylinder or plug-valve type

55
261/44.7

Off-center pivoted

30
261/44.3

Traversely reciprocating air or mixture valve

75
261/44.4

Suction operated

106
261/44.9

Variable-shape passage

10
261/45

Gas by-pass

14
261/46

With gas inlet

33
261/47

With gas outlet

30
261/48

With liquid inlet

9
261/52

Gas inlet and outlet

118
261/49

Liquid inlet

9
261/50.1

With gas inlet

63
261/50.3

Noncarburetor

9
261/50.2

Suction operated gas inlet valve

149
261/51

With gas outlet

51
261/53

Contact space

32
261/54

Gas by-pass

4
261/55

With gas inlet

19
261/56

With gas outlet

10
261/57

With liquid inlet

10
261/61

Gas inlet and outlet

9
261/58

Liquid inlet

11
261/59

With gas inlet

24
261/60

With gas outlet

7
261/39.1

Thermostatic

70
261/39.4

Carburetor spring linkage with temperature element

17
261/39.3

With carburetor bimetallic actuating means

95
261/39.6

With carburetor electrical heater

51
261/39.2

With carburetor expansible fluid actuating means

83
261/39.5

Without carburetor choke means

62
261/DIG.26

Foam

200
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

45
261/DIG.9

Furnace gas scrubbers

122
261/DIG.27

Gas circulated in circuit

31
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

27
261/159

Incoming fluid exchanges heat

25
261/160

With fluid at or downstream of contact zone

21
261/161

Incoming exchanging fluid is feed gas

30
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

41
261/DIG.37

Modern pumps diaphragm

2
261/18.1

Multiple diverse liquids

59
261/18.4

Antidetonant

3
261/18.3

Multiple fuels

34
261/18.2

Water added to charge

76
261/16

Multiple gas

54
261/17

Furnace-gas type

57
261/DIG.38

Needle valves

119
261/DIG.17

Odorizers

68
261/DIG.40

Oil filter for fuel entering nozzles or float chamber

1
261/DIG.44

Overflow trough

25
261/DIG.42

Ozonizers

117
261/DIG.72

Packing elements

302
261/DIG.41

Pad retaining means in humidifiers and air conditioners

48
261/DIG.81

Percolation control

37
261/DIG.77

Plume abatement

58
261/DIG.45

Processes carburetors

1
261/DIG.55

Reatomizers

50
261/DIG.46

Residue prevention in humidifiers and air conditioners

97
261/DIG.70

Sewage aerators; diffusers

55
261/DIG.71

Sewage aerators; rotating

17
261/DIG.78

Sonic flow

82
261/DIG.48

Sonic vibrators

169
261/DIG.10

Steam heaters and condensers

50
261/DIG.76

Steam

113
261/DIG.49

Suction operated feed valve

3
261/DIG.50

Surge prevention in carburetors

28
261/DIG.47

Swing diffusers

24
261/DIG.84

Tamperproof

61
261/DIG.30

Tray heaters

0
261/DIG.82

Upper end injectors

46
261/DIG.74

Valve actuation; electrical

170
261/DIG.53

Valve actuation

0
261/DIG.65

Vaporizers

455
261/DIG.56

Variable venturi

113
261/DIG.54

Venturi scrubbers

164
261/DIG.66

Water injection to prevent detonation

6
261/127

With external supply or removal of heat

45
261/131

Automatic control of heat supply or heat effect

59
261/136

Combined

5
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

108
261/155

Contact fluid passage surrounds external fluid flow passage

49
261/156

Fins or deflectors in contact fluid passage of heat exchanger

62
261/153

Gas exposed liquid body or sheet contacting heat exchanger

199
261/154

Porous type gas-liquid contactor exposed to heat exchanger

65
261/157

With heat exchange means for feed fluid

56
261/150

Heat exchange means in one of plural liquid feed paths

13
261/141

Heat producer

40
261/142

Electric heater

373
261/143

Means burning contact product

4
261/144

Internal combustion engine

80
261/145

Engine fuel supply means heated by exhaust manifold

59
261/137

Interconnected heat supply and contact fluid flow controllers

12
261/146

Plural distinct contact zones

21
261/147

Serially arranged in flow path

45
261/148

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

38
261/149

Heat exchanger in flow path spaced from contact zones

26
261/128

Processes

120
261/151

Recirculating fluid

98
261/140.1

Refrigeration producer

45
261/140.2

Absorption means

9
261/129

Temperature or humidity sensor

47
261/130

Heat supply or removal control

96
261/135

With indicator or tester

16
261/133

With mixer for supplementary gas and gaseous contactor product

16
261/134

Pressure responsive supplementary gas supply means

4
261/2

With liquid separations

13
261/7

Decanting

9
261/8

Unitary structure

3
261/5

Filtering

45
261/6

Unitary structure

12
261/3

In circuit

23
261/4

On inlet

28
 
 
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