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Class   261GAS AND LIQUID CONTACT APPARATUS
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 [List of Pre Grant Publications for class 261 subclass 1][List of Patents for class 261 subclass 1]1 MISCELLANEOUS
[List of Pre Grant Publications for class 261 subclass 2][List of Patents for class 261 subclass 2]2 WITH LIQUID SEPARATIONS
 [List of Pre Grant Publications for class 261 subclass 3][List of Patents for class 261 subclass 3]3 Subclass 3 indent level is 1 In circuit
 [List of Pre Grant Publications for class 261 subclass 4][List of Patents for class 261 subclass 4]4 Subclass 4 indent level is 1 On inlet
[List of Pre Grant Publications for class 261 subclass 5][List of Patents for class 261 subclass 5]5 Subclass 5 indent level is 1 Filtering
 [List of Pre Grant Publications for class 261 subclass 6][List of Patents for class 261 subclass 6]6 Subclass 6 indent level is 2 Unitary structure
[List of Pre Grant Publications for class 261 subclass 7][List of Patents for class 261 subclass 7]7 Subclass 7 indent level is 1 Decanting
 [List of Pre Grant Publications for class 261 subclass 8][List of Patents for class 261 subclass 8]8 Subclass 8 indent level is 2 Unitary structure
[List of Pre Grant Publications for class 261 subclass 127][List of Patents for class 261 subclass 127]127 WITH EXTERNAL SUPPLY OR REMOVAL OF HEAT
 [List of Pre Grant Publications for class 261 subclass 128][List of Patents for class 261 subclass 128]128 Subclass 128 indent level is 1 Processes
[List of Pre Grant Publications for class 261 subclass 129][List of Patents for class 261 subclass 129]129 Subclass 129 indent level is 1 Temperature or humidity sensor
 [List of Pre Grant Publications for class 261 subclass 130][List of Patents for class 261 subclass 130]130 Subclass 130 indent level is 2 Heat supply or removal control
 [List of Pre Grant Publications for class 261 subclass 131][List of Patents for class 261 subclass 131]131 Subclass 131 indent level is 1 Automatic control of heat supply or heat effect
[List of Pre Grant Publications for class 261 subclass 133][List of Patents for class 261 subclass 133]133 Subclass 133 indent level is 1 With mixer for supplementary gas and gaseous contactor product
 [List of Pre Grant Publications for class 261 subclass 134][List of Patents for class 261 subclass 134]134 Subclass 134 indent level is 2 Pressure responsive supplementary gas supply means
 [List of Pre Grant Publications for class 261 subclass 135][List of Patents for class 261 subclass 135]135 Subclass 135 indent level is 1 With indicator or tester
 [List of Pre Grant Publications for class 261 subclass 136][List of Patents for class 261 subclass 136]136 Subclass 136 indent level is 1 Combined
 [List of Pre Grant Publications for class 261 subclass 137][List of Patents for class 261 subclass 137]137 Subclass 137 indent level is 1 Interconnected heat supply and contact fluid flow controllers
[List of Pre Grant Publications for class 261 subclass 138][List of Patents for class 261 subclass 138]138 Subclass 138 indent level is 1 Diverse heat supply or removal means
 [List of Pre Grant Publications for class 261 subclass 139][List of Patents for class 261 subclass 139]139 Subclass 139 indent level is 2 Electric heater
[List of Pre Grant Publications for class 261 subclass 140.1][List of Patents for class 261 subclass 140.1]140.1 Subclass 140.1 indent level is 1 Refrigeration producer
 [List of Pre Grant Publications for class 261 subclass 140.2][List of Patents for class 261 subclass 140.2]140.2 Subclass 140.2 indent level is 2 Absorption means
[List of Pre Grant Publications for class 261 subclass 141][List of Patents for class 261 subclass 141]141 Subclass 141 indent level is 1 Heat producer
 [List of Pre Grant Publications for class 261 subclass 142][List of Patents for class 261 subclass 142]142 Subclass 142 indent level is 2 Electric heater
[List of Pre Grant Publications for class 261 subclass 143][List of Patents for class 261 subclass 143]143 Subclass 143 indent level is 2 Means burning contact product
[List of Pre Grant Publications for class 261 subclass 146][List of Patents for class 261 subclass 146]146 Subclass 146 indent level is 1 Plural distinct contact zones
[List of Pre Grant Publications for class 261 subclass 147][List of Patents for class 261 subclass 147]147 Subclass 147 indent level is 2 Serially arranged in flow path
 [List of Pre Grant Publications for class 261 subclass 150][List of Patents for class 261 subclass 150]150 Subclass 150 indent level is 1 Heat exchange means in one of plural liquid feed paths
 [List of Pre Grant Publications for class 261 subclass 151][List of Patents for class 261 subclass 151]151 Subclass 151 indent level is 1 Recirculating fluid
[List of Pre Grant Publications for class 261 subclass 152][List of Patents for class 261 subclass 152]152 Subclass 152 indent level is 1 Heat exchange means at or downstream of contact zone
 [List of Pre Grant Publications for class 261 subclass 153][List of Patents for class 261 subclass 153]153 Subclass 153 indent level is 2 Gas exposed liquid body or sheet contacting heat exchanger
 [List of Pre Grant Publications for class 261 subclass 154][List of Patents for class 261 subclass 154]154 Subclass 154 indent level is 2 Porous type gas-liquid contactor exposed to heat exchanger
 [List of Pre Grant Publications for class 261 subclass 155][List of Patents for class 261 subclass 155]155 Subclass 155 indent level is 2 Contact fluid passage surrounds external fluid flow passage
 [List of Pre Grant Publications for class 261 subclass 156][List of Patents for class 261 subclass 156]156 Subclass 156 indent level is 2 Fins or deflectors in contact fluid passage of heat exchanger
 [List of Pre Grant Publications for class 261 subclass 157][List of Patents for class 261 subclass 157]157 Subclass 157 indent level is 2 With heat exchange means for feed fluid
[List of Pre Grant Publications for class 261 subclass 158][List of Patents for class 261 subclass 158]158 INDIRECT INTERCHANGE OR HEAT BETWEEN CONTACT FLUIDS
[List of Pre Grant Publications for class 261 subclass 159][List of Patents for class 261 subclass 159]159 Subclass 159 indent level is 1 Incoming fluid exchanges heat
[List of Pre Grant Publications for class 261 subclass 160][List of Patents for class 261 subclass 160]160 Subclass 160 indent level is 2 With fluid at or downstream of contact zone
[List of Pre Grant Publications for class 261 subclass 16][List of Patents for class 261 subclass 16]16 MULTIPLE GAS
 [List of Pre Grant Publications for class 261 subclass 17][List of Patents for class 261 subclass 17]17 Subclass 17 indent level is 1 Furnace-gas type
[List of Pre Grant Publications for class 261 subclass 18.1][List of Patents for class 261 subclass 18.1]18.1 MULTIPLE DIVERSE LIQUIDS
 [List of Pre Grant Publications for class 261 subclass 18.2][List of Patents for class 261 subclass 18.2]18.2 Subclass 18.2 indent level is 1 Water added to charge
 [List of Pre Grant Publications for class 261 subclass 18.3][List of Patents for class 261 subclass 18.3]18.3 Subclass 18.3 indent level is 1 Multiple fuels
 [List of Pre Grant Publications for class 261 subclass 18.4][List of Patents for class 261 subclass 18.4]18.4 Subclass 18.4 indent level is 1 Antidetonant
[List of Pre Grant Publications for class 261 subclass 19][List of Patents for class 261 subclass 19]19 FLUID DISTRIBUTION
[List of Pre Grant Publications for class 261 subclass 20][List of Patents for class 261 subclass 20]20 Subclass 20 indent level is 1 Systems
[List of Pre Grant Publications for class 261 subclass 21][List of Patents for class 261 subclass 21]21 Subclass 21 indent level is 2 Series
[List of Pre Grant Publications for class 261 subclass 23.1][List of Patents for class 261 subclass 23.1]23.1 Subclass 23.1 indent level is 2 Parallel
[List of Pre Grant Publications for class 261 subclass 24][List of Patents for class 261 subclass 24]24 Subclass 24 indent level is 1 Pumping
 [List of Pre Grant Publications for class 261 subclass 25][List of Patents for class 261 subclass 25]25 Subclass 25 indent level is 2 Liquid operated
[List of Pre Grant Publications for class 261 subclass 26][List of Patents for class 261 subclass 26]26 Subclass 26 indent level is 2 Automatic control
[List of Pre Grant Publications for class 261 subclass 28][List of Patents for class 261 subclass 28]28 Subclass 28 indent level is 2 Gas and liquid
[List of Pre Grant Publications for class 261 subclass 30][List of Patents for class 261 subclass 30]30 Subclass 30 indent level is 2 Gas inlet
[List of Pre Grant Publications for class 261 subclass 34.1][List of Patents for class 261 subclass 34.1]34.1 Subclass 34.1 indent level is 2 Liquid
[List of Pre Grant Publications for class 261 subclass 38][List of Patents for class 261 subclass 38]38 Subclass 38 indent level is 1 Valved
[List of Pre Grant Publications for class 261 subclass 39.1][List of Patents for class 261 subclass 39.1]39.1 Subclass 39.1 indent level is 2 Thermostatic
[List of Pre Grant Publications for class 261 subclass 40][List of Patents for class 261 subclass 40]40 Subclass 40 indent level is 2 Multiple jet
[List of Pre Grant Publications for class 261 subclass 42][List of Patents for class 261 subclass 42]42 Subclass 42 indent level is 2 Multiple valves
 [List of Pre Grant Publications for class 261 subclass 62][List of Patents for class 261 subclass 62]62 Subclass 62 indent level is 2 Contact space
 [List of Pre Grant Publications for class 261 subclass 63][List of Patents for class 261 subclass 63]63