US Patent Class 261
GAS AND LIQUID CONTACT APPARATUS



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Current as of: June, 1999
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Products
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  DF  CLASS NOTES
1  DF  MISCELLANEOUS
2  DF  WITH LIQUID SEPARATIONS
3  DF  .~ In circuit
4  DF  .~ On inlet
5  DF  .~ Filtering
6  DF  .~.~ Unitary structure
7  DF  .~ Decanting
8  DF  .~.~ Unitary structure
127  DF  WITH EXTERNAL SUPPLY OR REMOVAL OF HEAT
128  DF  .~ Processes
129  DF  .~ Temperature or humidity sensor
130  DF  .~.~ Heat supply or removal control
131  DF  .~ Automatic control of heat supply or heat effect
133  DF  .~ With mixer for supplementary gas and gaseous contactor product
134  DF  .~.~ Pressure responsive supplementary gas supply means
135  DF  .~ With indicator or tester
136  DF  .~ Combined
137  DF  .~ Interconnected heat supply and contact fluid flow controllers
138  DF  .~ Diverse heat supply or removal means
139  DF  .~.~ Electric heater
140.1  DF  .~ Refrigeration producer
140.2  DF  .~.~ Absorption means
141  DF  .~ Heat producer
142  DF  .~.~ Electric heater
143  DF  .~.~ Means burning contact product
144  DF  .~.~.~ Internal combustion engine
145  DF  .~.~.~.~ Engine fuel supply means heated by exhaust manifold
146  DF  .~ Plural distinct contact zones
147  DF  .~.~ Serially arranged in flow path
148  DF  .~.~.~ Counter flowing gas and liquid (e.g., absorption or rectification column)
149  DF  .~.~.~ Heat exchanger in flow path spaced from contact zones
150  DF  .~ Heat exchange means in one of plural liquid feed paths
151  DF  .~ Recirculating fluid
152  DF  .~ Heat exchange means at or downstream of contact zone
153  DF  .~.~ Gas exposed liquid body or sheet contacting heat exchanger
154  DF  .~.~ Porous type gas-liquid contactor exposed to heat exchanger
155  DF  .~.~ Contact fluid passage surrounds external fluid flow passage
156  DF  .~.~ Fins or deflectors in contact fluid passage of heat exchanger
157  DF  .~.~ With heat exchange means for feed fluid
158  DF  INDIRECT INTERCHANGE OR HEAT BETWEEN CONTACT FLUIDS
159  DF  .~ Incoming fluid exchanges heat
160  DF  .~.~ With fluid at or downstream of contact zone
161  DF  .~.~.~ Incoming exchanging fluid is feed gas
16  DF  MULTIPLE GAS
17  DF  .~ Furnace-gas type
18.1  DF  MULTIPLE DIVERSE LIQUIDS
18.2  DF  .~ Water added to charge
18.3  DF  .~ Multiple fuels
18.4  DF  .~ Antidetonant
19  DF  FLUID DISTRIBUTION
20  DF  .~ Systems
21  DF  .~.~ Series
22  DF  .~.~.~ Gas connections
23.1  DF  .~.~ Parallel
23.2  DF  .~.~.~ Carburetors
23.3  DF  .~.~.~.~ Stratified charge
23.4  DF  .~.~.~.~ Rotary engine
24  DF  .~ Pumping
25  DF  .~.~ Liquid operated
26  DF  .~.~ Automatic control
27  DF  .~.~.~ Liquid inlet
28  DF  .~.~ Gas and liquid
29  DF  .~.~.~ Liquid circuit
30  DF  .~.~ Gas inlet
31  DF  .~.~.~ Churn type
32  DF  .~.~.~.~ Rotary dasher
33  DF  .~.~.~.~ Reciprocating dasher
34.1  DF  .~.~ Liquid
34.2  DF  .~.~.~ Accelerator pump
34.3  DF  .~.~.~.~ With thermostatic control
35  DF  .~.~.~ Gas operated
36.1  DF  .~.~.~ In circuit
36.2  DF  .~.~.~.~ Carburetor
37  DF  .~.~.~ Inlet
38  DF  .~ Valved
39.1  DF  .~.~ Thermostatic
39.2  DF  .~.~.~ With carburetor expansible fluid actuating means
39.3  DF  .~.~.~ With carburetor bimetallic actuating means
39.4  DF  .~.~.~ Carburetor spring linkage with temperature element
39.5  DF  .~.~.~ Without carburetor choke means
39.6  DF  .~.~.~ With carburetor electrical heater
40  DF  .~.~ Multiple jet
41.1  DF  .~.~.~ Progressive
41.2  DF  .~.~.~.~ With parallel carbureting passages
41.3  DF  .~.~.~.~.~ With control of plural passages
41.4  DF  .~.~.~.~ Multiple jet manual control
41.5  DF  .~.~.~.~ Bypass opening beyond throttle
42  DF  .~.~ Multiple valves
43  DF  .~.~.~ Connected
44.1  DF  .~.~.~.~ Contact space
44.2  DF  .~.~.~.~.~ Contact valve with hollow shaft supplying liquid
44.3  DF  .~.~.~.~.~ Traversely reciprocating air or mixture valve
44.4  DF  .~.~.~.~.~.~ Suction operated
44.5  DF  .~.~.~.~.~ Longitudinally movable air or mixture valve
44.6  DF  .~.~.~.~.~ Rotating air or mixture valve
44.7  DF  .~.~.~.~.~.~ Off-center pivoted
44.8  DF  .~.~.~.~.~.~ Cylinder or plug-valve type
44.9  DF  .~.~.~.~.~ Variable-shape passage
45  DF  .~.~.~.~ Gas by-pass
46  DF  .~.~.~.~.~ With gas inlet
47  DF  .~.~.~.~.~ With gas outlet
48  DF  .~.~.~.~.~ With liquid inlet
49  DF  .~.~.~.~ Liquid inlet
50.1  DF  .~.~.~.~.~ With gas inlet
50.2  DF  .~.~.~.~.~.~ Suction operated gas inlet valve
50.3  DF  .~.~.~.~.~.~ Noncarburetor
51  DF  .~.~.~.~.~ With gas outlet
52  DF  .~.~.~.~ Gas inlet and outlet
53  DF  .~.~.~ Contact space
54  DF  .~.~.~ Gas by-pass
55  DF  .~.~.~.~ With gas inlet
56  DF  .~.~.~.~ With gas outlet
57  DF  .~.~.~.~ With liquid inlet
58  DF  .~.~.~ Liquid inlet
59  DF  .~.~.~.~ With gas inlet
60  DF  .~.~.~.~ With gas outlet
61  DF  .~.~.~ Gas inlet and outlet
62  DF  .~.~ Contact space
63  DF  .~.~ Gas by-pass
64.1  DF  .~.~ Gas inlet
64.2  DF  .~.~.~ Anterior throttle
64.3  DF  .~.~.~ Pressure control
64.4  DF  .~.~.~ Suction operated
64.5  DF  .~.~.~ Float control
64.6  DF  .~.~.~ Starting choke
65  DF  .~.~ Gas outlet
66  DF  .~.~ Liquid inlet
67  DF  .~.~.~ Plural
68  DF  .~.~.~.~ Float and manual
69.1  DF  .~.~.~ Gas pressure controlled
69.2  DF  .~.~.~.~ Wet diaphragm
70  DF  .~.~.~ Float controlled
71  DF  .~.~.~ Manual
72.1  DF  .~ Liquid supply tank
72.2  DF  .~.~ Aviation carburetor
73  DF  .~.~ Barometric
74  DF  .~ Contact receptacle
75  DF  CONTACT DEVICES
76  DF  .~ Injector type
77  DF  .~.~ Submerged blast
78.1  DF  .~ Atomizer type
78.2  DF  .~.~ Noncarburetor
79.1  DF  .~ Rotating gases
79.2  DF  .~.~ Noncarburetor
80  DF  .~ Traveling strip
81  DF  .~ Reciprocating
82  DF  .~.~ Piston
83  DF  .~ Rotating
84  DF  .~.~ Impeller
85  DF  .~.~.~ Hollow shaft
86  DF  .~.~.~.~ Gas trapping
87  DF  .~.~.~.~ Gas delivering
88  DF  .~.~.~.~ Liquid spraying
89  DF  .~.~.~ Sprayed
90  DF  .~.~.~.~ Horizontal axis
91  DF  .~.~.~ Dipping
92  DF  .~.~.~.~ Horizontal axis
93  DF  .~.~.~ Submerged blast
94  DF  .~ Porous mass
95  DF  .~.~ Surface contact
96  DF  .~.~ Gas-flow control
97  DF  .~.~ Liquid-flow control
98  DF  .~.~.~ Spray
99  DF  .~.~.~ Capillary feed
100  DF  .~ Porous sheet
101  DF  .~.~ Surface contact
102  DF  .~.~.~ Gas-flow control
103  DF  .~.~.~ Liquid downflow
104  DF  .~.~.~ Capillary feed
105  DF  .~.~ Gas-flow control
106  DF  .~.~ Liquid downflow
107  DF  .~.~ Capillary feed
108  DF  .~ Wet baffle
109  DF  .~.~ Gas-flow control
110  DD  .~.~ Liquid-flow control
111  DF  .~.~.~ Spray
112.1  DF  .~.~.~ Film
112.2  DF  .~.~.~.~ Corrugated plates
113  DF  .~.~ Perforated baffles
114.1  DF  .~.~ Overflow baffles
114.2  DF  .~.~.~ Bubble caps
114.3  DF  .~.~.~ Jet plates
114.4  DF  .~.~.~ Valve tray
114.5  DF  .~.~.~ Tray construction
115  DF  .~ Liquid spray
116  DF  .~.~ Aspirating
117  DF  .~.~ Opposed
118  DF  .~.~ Transverse
119.1  DF  .~ Liquid tank
119.2  DF  .~.~ Carburetor
120  DF  .~.~ Floating distributor
121.1  DF  .~.~ Submerged blast
121.2  DF  .~.~.~ Minnow bucket
121.3  DF  .~.~.~ Carburetor vented nozzle
121.4  DF  .~.~.~.~ Air inlet valve
122.1  DF  .~.~.~ Submerged screen
122.2  DF  .~.~.~.~ With closable apertures
123  DF  .~.~.~ Submerged baffle
124  DF  .~.~.~ Multiple jet
125  DF  .~.~ Multiple receptacle
126  DF  .~.~ Upflowing gases
*****************************
DIGESTS
*****************************
DIG 1  DD  Auxiliary air inlet carburetors
DIG 2  DD  Airplane
DIG 3  DD  Air cooling
DIG 4  DD  Auto humidifiers
DIG 6  DD  Backfire
DIG 7  DD  Carbonators
DIG 8  DD  Carburetor primers
DIG 9  DD  Furnace gas scrubbers
DIG 10  DD  Steam heaters and condensers
DIG 11  DD  Cooling towers
DIG 12  DD  Carburetor venturi
DIG 13  DD  Desuperheaters
DIG 14  DD  Display stands
DIG 15  DD  Duct humidifiers
DIG 16  DD  Cream whipping
DIG 17  DD  Odorizers
DIG 18  DD  Dashpots
DIG 19  DD  Degassers
DIG 20  DD  Deicers for carburetors
DIG 21  DD  Drawing excess fuel from carbureting passage
DIG 22  DD  Faucet aerators
DIG 23  DD  Fuel feeding valves
DIG 24  DD  Fuel feeding valve retaining
DIG 25  DD  Fuel spread out into a film
DIG 26  DD  Foam
DIG 27  DD  Gas circulated in circuit
DIG 28  DD  Blood oxygenators
DIG 29  DD  Heaters submerged in liquid
DIG 30  DD  Tray heaters
DIG 31  DD  Heaters
DIG 32  DD  Heaters and condensers
DIG 33  DD  Heaters, spray
DIG 34  DD  Automatic humidity regulation
DIG 35  DD  Air line lubricators
DIG 36  DD  Carburetor manifolds
DIG 37  DD  Modern pumps diaphragm
DIG 38  DD  Needle valves
DIG 39  DD  Liquid feeding nozzles
DIG 40  DD  Oil filter for fuel entering nozzles or float chamber
DIG 41  DD  Pad retaining means in humidifiers and air conditioners
DIG 42  DD  Ozonizers
DIG 43  DD  Air coolers
DIG 44  DD  Overflow trough
DIG 45  DD  Processes carburetors
DIG 46  DD  Residue prevention in humidifiers and air conditioners
DIG 47  DD  Swing diffusers
DIG 48  DD  Sonic vibrators
DIG 49  DD  Suction operated feed valve
DIG 50  DD  Surge prevention in carburetors
DIG 51  DD  Carburetors with supercharging blowers
DIG 52  DD  Carburetor with valves
DIG 53  DD  Valve actuation
DIG 54  DD  Venturi scrubbers
DIG 55  DD  Reatomizers
DIG 56  DD  Variable venturi
DIG 57  DD  Interchangeable chore tube
DIG 58  DD  Choke tube having plurality of leaves
DIG 59  DD  Choke tube leaves flexible
DIG 60  DD  Duplex barrels
DIG 61  DD  Longitudinally reciprocating choke tube (along air passage)
DIG 62  DD  Longitudinally reciprocating choke tube having movable parts
DIG 63  DD  Longitudinally reciprocating choke tube, throttle-operated
DIG 64  DD  Longitudinally reciprocating choke tube, suction-operated
DIG 65  DD  Vaporizers
DIG 66  DD  Water injection to prevent detonation
DIG 67  DD  Carburetors with vented bowl
DIG 68  DD  Diaphragm-controlled inlet valve
DIG 69  DD  Fluid amplifiers in carburetors
DIG 70  DD  Sewage aerators; diffusers
DIG 71  DD  Sewage aerators; rotating
DIG 72  DD  Packing elements
DIG 73  DD  Carburetor primers; ticklers
DIG 74  DD  Valve actuation; electrical
DIG 75  DD  Flowing liquid aspirates gas
DIG 76  DD  Steam
DIG 77  DD  Plume abatement
DIG 78  DD  Sonic flow
DIG 79  DD  Cooling ponds
DIG 80  DD  Electrical treatment
DIG 81  DD  Percolation control
DIG 82  DD  Upper end injectors
DIG 83  DD  Fuel vapor generation
DIG 84  DD  Tamperproof
DIG 85  DD  Droplet catchers
DIG 86  DD  Cooling tower ice prevention
DIG 87  DD  Cooling tower power generators