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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 Subclass 63 indent level is 2 Gas by-pass
[List of Pre Grant Publications for class 261 subclass 64.1][List of Patents for class 261 subclass 64.1]64.1 Subclass 64.1 indent level is 2 Gas inlet
 [List of Pre Grant Publications for class 261 subclass 65][List of Patents for class 261 subclass 65]65 Subclass 65 indent level is 2 Gas outlet
[List of Pre Grant Publications for class 261 subclass 66][List of Patents for class 261 subclass 66]66 Subclass 66 indent level is 2 Liquid inlet
[List of Pre Grant Publications for class 261 subclass 72.1][List of Patents for class 261 subclass 72.1]72.1 Subclass 72.1 indent level is 1 Liquid supply tank
 [List of Pre Grant Publications for class 261 subclass 72.2][List of Patents for class 261 subclass 72.2]72.2 Subclass 72.2 indent level is 2 Aviation carburetor
 [List of Pre Grant Publications for class 261 subclass 73][List of Patents for class 261 subclass 73]73 Subclass 73 indent level is 2 Barometric
 [List of Pre Grant Publications for class 261 subclass 74][List of Patents for class 261 subclass 74]74 Subclass 74 indent level is 1 Contact receptacle
[List of Pre Grant Publications for class 261 subclass 75][List of Patents for class 261 subclass 75]75 CONTACT DEVICES
[List of Pre Grant Publications for class 261 subclass 76][List of Patents for class 261 subclass 76]76 Subclass 76 indent level is 1 Injector type
 [List of Pre Grant Publications for class 261 subclass 77][List of Patents for class 261 subclass 77]77 Subclass 77 indent level is 2 Submerged blast
[List of Pre Grant Publications for class 261 subclass 78.1][List of Patents for class 261 subclass 78.1]78.1 Subclass 78.1 indent level is 1 Atomizer type
 [List of Pre Grant Publications for class 261 subclass 78.2][List of Patents for class 261 subclass 78.2]78.2 Subclass 78.2 indent level is 2 Noncarburetor
[List of Pre Grant Publications for class 261 subclass 79.1][List of Patents for class 261 subclass 79.1]79.1 Subclass 79.1 indent level is 1 Rotating gases
 [List of Pre Grant Publications for class 261 subclass 79.2][List of Patents for class 261 subclass 79.2]79.2 Subclass 79.2 indent level is 2 Noncarburetor
 [List of Pre Grant Publications for class 261 subclass 80][List of Patents for class 261 subclass 80]80 Subclass 80 indent level is 1 Traveling strip
[List of Pre Grant Publications for class 261 subclass 81][List of Patents for class 261 subclass 81]81 Subclass 81 indent level is 1 Reciprocating
 [List of Pre Grant Publications for class 261 subclass 82][List of Patents for class 261 subclass 82]82 Subclass 82 indent level is 2 Piston
[List of Pre Grant Publications for class 261 subclass 83][List of Patents for class 261 subclass 83]83 Subclass 83 indent level is 1 Rotating
[List of Pre Grant Publications for class 261 subclass 84][List of Patents for class 261 subclass 84]84 Subclass 84 indent level is 2 Impeller
[List of Pre Grant Publications for class 261 subclass 94][List of Patents for class 261 subclass 94]94 Subclass 94 indent level is 1 Porous mass
 [List of Pre Grant Publications for class 261 subclass 95][List of Patents for class 261 subclass 95]95 Subclass 95 indent level is 2 Surface contact
 [List of Pre Grant Publications for class 261 subclass 96][List of Patents for class 261 subclass 96]96 Subclass 96 indent level is 2 Gas-flow control
[List of Pre Grant Publications for class 261 subclass 97][List of Patents for class 261 subclass 97]97 Subclass 97 indent level is 2 Liquid-flow control
[List of Pre Grant Publications for class 261 subclass 100][List of Patents for class 261 subclass 100]100 Subclass 100 indent level is 1 Porous sheet
[List of Pre Grant Publications for class 261 subclass 101][List of Patents for class 261 subclass 101]101 Subclass 101 indent level is 2 Surface contact
 [List of Pre Grant Publications for class 261 subclass 105][List of Patents for class 261 subclass 105]105 Subclass 105 indent level is 2 Gas-flow control
 [List of Pre Grant Publications for class 261 subclass 106][List of Patents for class 261 subclass 106]106 Subclass 106 indent level is 2 Liquid downflow
 [List of Pre Grant Publications for class 261 subclass 107][List of Patents for class 261 subclass 107]107 Subclass 107 indent level is 2 Capillary feed
[List of Pre Grant Publications for class 261 subclass 108][List of Patents for class 261 subclass 108]108 Subclass 108 indent level is 1 Wet baffle
 [List of Pre Grant Publications for class 261 subclass 109][List of Patents for class 261 subclass 109]109 Subclass 109 indent level is 2 Gas-flow control
[List of Pre Grant Publications for class 261 subclass 110][List of Patents for class 261 subclass 110]110 Subclass 110 indent level is 2 Liquid-flow control
 [List of Pre Grant Publications for class 261 subclass 113][List of Patents for class 261 subclass 113]113 Subclass 113 indent level is 2 Perforated baffles
[List of Pre Grant Publications for class 261 subclass 114.1][List of Patents for class 261 subclass 114.1]114.1 Subclass 114.1 indent level is 2 Overflow baffles
[List of Pre Grant Publications for class 261 subclass 115][List of Patents for class 261 subclass 115]115 Subclass 115 indent level is 1 Liquid spray
 [List of Pre Grant Publications for class 261 subclass 116][List of Patents for class 261 subclass 116]116 Subclass 116 indent level is 2 Aspirating
 [List of Pre Grant Publications for class 261 subclass 117][List of Patents for class 261 subclass 117]117 Subclass 117 indent level is 2 Opposed
 [List of Pre Grant Publications for class 261 subclass 118][List of Patents for class 261 subclass 118]118 Subclass 118 indent level is 2 Transverse
[List of Pre Grant Publications for class 261 subclass 119.1][List of Patents for class 261 subclass 119.1]119.1 Subclass 119.1 indent level is 1 Liquid tank
 [List of Pre Grant Publications for class 261 subclass 119.2][List of Patents for class 261 subclass 119.2]119.2 Subclass 119.2 indent level is 2 Carburetor
 [List of Pre Grant Publications for class 261 subclass 120][List of Patents for class 261 subclass 120]120 Subclass 120 indent level is 2 Floating distributor
[List of Pre Grant Publications for class 261 subclass 121.1][List of Patents for class 261 subclass 121.1]121.1 Subclass 121.1 indent level is 2 Submerged blast
 [List of Pre Grant Publications for class 261 subclass 125][List of Patents for class 261 subclass 125]125 Subclass 125 indent level is 2 Multiple receptacle
 [List of Pre Grant Publications for class 261 subclass 126][List of Patents for class 261 subclass 126]126 Subclass 126 indent level is 2 Upflowing gases
 
FOREIGN ART COLLECTIONS
 
      FOR000          CLASS-RELATED FOREIGN DOCUMENTS
 
DIGESTS
 
 [List of Pre Grant Publications for class 261 subclass DIG1][List of Patents for class 261 subclass DIG1] DIG1 AUXILIARY AIR INLET CARBURETORS
 [List of Pre Grant Publications for class 261 subclass DIG2][List of Patents for class 261 subclass DIG2] DIG2 AIRPLANE
 [List of Pre Grant Publications for class 261 subclass DIG3][List of Patents for class 261 subclass DIG3] DIG3 AIR COOLING
 [List of Pre Grant Publications for class 261 subclass DIG4][List of Patents for class 261 subclass DIG4] DIG4 AUTO HUMIDIFIERS
 [List of Pre Grant Publications for class 261 subclass DIG6][List of Patents for class 261 subclass DIG6] DIG6 BACKFIRE
 [List of Pre Grant Publications for class 261 subclass DIG7][List of Patents for class 261 subclass DIG7] DIG7 CARBONATORS
 [List of Pre Grant Publications for class 261 subclass DIG8][List of Patents for class 261 subclass DIG8] DIG8 CARBURETOR PRIMERS
 [List of Pre Grant Publications for class 261 subclass DIG9][List of Patents for class 261 subclass DIG9] DIG9 FURNACE GAS SCRUBBERS
 [List of Pre Grant Publications for class 261 subclass DIG10][List of Patents for class 261 subclass DIG10] DIG10 STEAM HEATERS AND CONDENSERS
 [List of Pre Grant Publications for class 261 subclass DIG11][List of Patents for class 261 subclass DIG11] DIG11 COOLING TOWERS
 [List of Pre Grant Publications for class 261 subclass DIG12][List of Patents for class 261 subclass DIG12] DIG12 CARBURETOR VENTURI
 [List of Pre Grant Publications for class 261 subclass DIG13][List of Patents for class 261 subclass DIG13] DIG13 DESUPERHEATERS
 [List of Pre Grant Publications for class 261 subclass DIG14][List of Patents for class 261 subclass DIG14] DIG14 DISPLAY STANDS
 [List of Pre Grant Publications for class 261 subclass DIG15][List of Patents for class 261 subclass DIG15] DIG15 DUCT HUMIDIFIERS
 [List of Pre Grant Publications for class 261 subclass DIG16][List of Patents for class 261 subclass DIG16] DIG16 CREAM WHIPPING
 [List of Pre Grant Publications for class 261 subclass DIG17][List of Patents for class 261 subclass DIG17] DIG17 ODORIZERS
 [List of Pre Grant Publications for class 261 subclass DIG18][List of Patents for class 261 subclass DIG18] DIG18 DASHPOTS
 [List of Pre Grant Publications for class 261 subclass DIG19][List of Patents for class 261 subclass DIG19] DIG19 DEGASSERS
 [List of Pre Grant Publications for class 261 subclass DIG20][List of Patents for class 261 subclass DIG20] DIG20 DEICERS FOR CARBURETORS
 [List of Pre Grant Publications for class 261 subclass DIG21][List of Patents for class 261 subclass DIG21] DIG21 DRAWING EXCESS FUEL FROM CARBURETING PASSAGE
 [List of Pre Grant Publications for class 261 subclass DIG22][List of Patents for class 261 subclass DIG22] DIG22 FAUCET AERATORS
 [List of Pre Grant Publications for class 261 subclass DIG23][List of Patents for class 261 subclass DIG23] DIG23 FUEL FEEDING VALVES
 [List of Pre Grant Publications for class 261 subclass DIG24][List of Patents for class 261 subclass DIG24] DIG24 FUEL FEEDING VALVE RETAINING
 [List of Pre Grant Publications for class 261 subclass DIG25][List of Patents for class 261 subclass DIG25] DIG25 FUEL SPREAD OUT INTO A FILM
 [List of Pre Grant Publications for class 261 subclass DIG26][List of Patents for class 261 subclass DIG26] DIG26 FOAM
 [List of Pre Grant Publications for class 261 subclass DIG27][List of Patents for class 261 subclass DIG27] DIG27 GAS CIRCULATED IN CIRCUIT
 [List of Pre Grant Publications for class 261 subclass DIG28][List of Patents for class 261 subclass DIG28] DIG28 BLOOD OXYGENATORS
 [List of Pre Grant Publications for class 261 subclass DIG29][List of Patents for class 261 subclass DIG29] DIG29 HEATERS SUBMERGED IN LIQUID
 [List of Pre Grant Publications for class 261 subclass DIG30][List of Patents for class 261 subclass DIG30] DIG30 TRAY HEATERS
 [List of Pre Grant Publications for class 261 subclass DIG31][List of Patents for class 261 subclass DIG31] DIG31 HEATERS
 [List of Pre Grant Publications for class 261 subclass DIG32][List of Patents for class 261 subclass DIG32] DIG32 HEATERS AND CONDENSERS
 [List of Pre Grant Publications for class 261 subclass DIG33][List of Patents for class 261 subclass DIG33] DIG33 HEATERS, SPRAY
 [List of Pre Grant Publications for class 261 subclass DIG34][List of Patents for class 261 subclass DIG34] DIG34 AUTOMATIC HUMIDITY REGULATION
 [List of Pre Grant Publications for class 261 subclass DIG35][List of Patents for class 261 subclass DIG35] DIG35 AIR LINE LUBRICATORS
 [List of Pre Grant Publications for class 261 subclass DIG36][List of Patents for class 261 subclass DIG36] DIG36 CARBURETOR MANIFOLDS
 [List of Pre Grant Publications for class 261 subclass DIG37][List of Patents for class 261 subclass DIG37] DIG37 MODERN PUMPS DIAPHRAGM
 [List of Pre Grant Publications for class 261 subclass DIG38][List of Patents for class 261 subclass DIG38] DIG38 NEEDLE VALVES
 [List of Pre Grant Publications for class 261 subclass DIG39][List of Patents for class 261 subclass DIG39] DIG39 LIQUID FEEDING NOZZLES
 [List of Pre Grant Publications for class 261 subclass DIG40][List of Patents for class 261 subclass DIG40] DIG40 OIL FILTER FOR FUEL ENTERING NOZZLES OR FLOAT CHAMBER
 [List of Pre Grant Publications for class 261 subclass DIG41][List of Patents for class 261 subclass DIG41] DIG41 PAD RETAINING MEANS IN HUMIDIFIERS AND AIR CONDITIONERS
 [List of Pre Grant Publications for class 261 subclass DIG42][List of Patents for class 261 subclass DIG42] DIG42 OZONIZERS
 [List of Pre Grant Publications for class 261 subclass DIG43][List of Patents for class 261 subclass DIG43] DIG43 AIR COOLERS
 [List of Pre Grant Publications for class 261 subclass DIG44][List of Patents for class 261 subclass DIG44] DIG44 OVERFLOW TROUGH
 [List of Pre Grant Publications for class 261 subclass DIG45][List of Patents for class 261 subclass DIG45] DIG45 PROCESSES CARBURETORS
 [List of Pre Grant Publications for class 261 subclass DIG46][List of Patents for class 261 subclass DIG46] DIG46 RESIDUE PREVENTION IN HUMIDIFIERS AND AIR CONDITIONERS
 [List of Pre Grant Publications for class 261 subclass DIG47][List of Patents for class 261 subclass DIG47] DIG47 SWING DIFFUSERS
 [List of Pre Grant Publications for class 261 subclass DIG48][List of Patents for class 261 subclass DIG48] DIG48 SONIC VIBRATORS
 [List of Pre Grant Publications for class 261 subclass DIG49][List of Patents for class 261 subclass DIG49] DIG49 SUCTION OPERATED FEED VALVE
 [List of Pre Grant Publications for class 261 subclass DIG50][List of Patents for class 261 subclass DIG50] DIG50 SURGE PREVENTION IN CARBURETORS
 [List of Pre Grant Publications for class 261 subclass DIG51][List of Patents for class 261 subclass DIG51] DIG51 CARBURETORS WITH SUPERCHARGING BLOWERS
 [List of Pre Grant Publications for class 261 subclass DIG52][List of Patents for class 261 subclass DIG52] DIG52 CARBURETOR WITH VALVES
 [List of Pre Grant Publications for class 261 subclass DIG53][List of Patents for class 261 subclass DIG53] DIG53 VALVE ACTUATION
 [List of Pre Grant Publications for class 261 subclass DIG54][List of Patents for class 261 subclass DIG54] DIG54 VENTURI SCRUBBERS
 [List of Pre Grant Publications for class 261 subclass DIG55][List of Patents for class 261 subclass DIG55] DIG55 REATOMIZERS
 [List of Pre Grant Publications for class 261 subclass DIG56][List of Patents for class 261 subclass DIG56] DIG56 VARIABLE VENTURI
 [List of Pre Grant Publications for class 261 subclass DIG57][List of Patents for class 261 subclass DIG57] DIG57 INTERCHANGEABLE CHORE TUBE
 [List of Pre Grant Publications for class 261 subclass DIG58][List of Patents for class 261 subclass DIG58] DIG58 CHOKE TUBE HAVING PLURALITY OF LEAVES
 [List of Pre Grant Publications for class 261 subclass DIG59][List of Patents for class 261 subclass DIG59] DIG59 CHOKE TUBE LEAVES FLEXIBLE
 [List of Pre Grant Publications for class 261 subclass DIG60][List of Patents for class 261 subclass DIG60] DIG60 DUPLEX BARRELS
 [List of Pre Grant Publications for class 261 subclass DIG61][List of Patents for class 261 subclass DIG61] DIG61 LONGITUDINALLY RECIPROCATING CHOKE TUBE (ALONG AIR PASSAGE)
 [List of Pre Grant Publications for class 261 subclass DIG62][List of Patents for class 261 subclass DIG62] DIG62 LONGITUDINALLY RECIPROCATING CHOKE TUBE HAVING MOVABLE PARTS
 [List of Pre Grant Publications for class 261 subclass DIG63][List of Patents for class 261 subclass DIG63] DIG63 LONGITUDINALLY RECIPROCATING CHOKE TUBE, THROTTLE-OPERATED
 [List of Pre Grant Publications for class 261 subclass DIG64][List of Patents for class 261 subclass DIG64] DIG64 LONGITUDINALLY RECIPROCATING CHOKE TUBE, SUCTION-OPERATED
 [List of Pre Grant Publications for class 261 subclass DIG65][List of Patents for class 261 subclass DIG65] DIG65 VAPORIZERS
 [List of Pre Grant Publications for class 261 subclass DIG66][List of Patents for class 261 subclass DIG66] DIG66 WATER INJECTION TO PREVENT DETONATION
 [List of Pre Grant Publications for class 261 subclass DIG67][List of Patents for class 261 subclass DIG67] DIG67 CARBURETORS WITH VENTED BOWL
 [List of Pre Grant Publications for class 261 subclass DIG68][List of Patents for class 261 subclass DIG68] DIG68 DIAPHRAGM-CONTROLLED INLET VALVE
 [List of Pre Grant Publications for class 261 subclass DIG69][List of Patents for class 261 subclass DIG69] DIG69 FLUID AMPLIFIERS IN CARBURETORS
 [List of Pre Grant Publications for class 261 subclass DIG70][List of Patents for class 261 subclass DIG70] DIG70 SEWAGE AERATORS; DIFFUSERS
 [List of Pre Grant Publications for class 261 subclass DIG71][List of Patents for class 261 subclass DIG71] DIG71 SEWAGE AERATORS; ROTATING
 [List of Pre Grant Publications for class 261 subclass DIG72][List of Patents for class 261 subclass DIG72] DIG72 PACKING ELEMENTS
 [List of Pre Grant Publications for class 261 subclass DIG73][List of Patents for class 261 subclass DIG73] DIG73 CARBURETOR PRIMERS; TICKLERS
 [List of Pre Grant Publications for class 261 subclass DIG74][List of Patents for class 261 subclass DIG74] DIG74 VALVE ACTUATION; ELECTRICAL
 [List of Pre Grant Publications for class 261 subclass DIG75][List of Patents for class 261 subclass DIG75] DIG75 FLOWING LIQUID ASPIRATES GAS
 [List of Pre Grant Publications for class 261 subclass DIG76][List of Patents for class 261 subclass DIG76] DIG76 STEAM
 [List of Pre Grant Publications for class 261 subclass DIG77][List of Patents for class 261 subclass DIG77] DIG77 PLUME ABATEMENT
 [List of Pre Grant Publications for class 261 subclass DIG78][List of Patents for class 261 subclass DIG78] DIG78 SONIC FLOW
 [List of Pre Grant Publications for class 261 subclass DIG79][List of Patents for class 261 subclass DIG79] DIG79 COOLING PONDS
 [List of Pre Grant Publications for class 261 subclass DIG80][List of Patents for class 261 subclass DIG80] DIG80 ELECTRICAL TREATMENT
 [List of Pre Grant Publications for class 261 subclass DIG81][List of Patents for class 261 subclass DIG81] DIG81 PERCOLATION CONTROL
 [List of Pre Grant Publications for class 261 subclass DIG82][List of Patents for class 261 subclass DIG82] DIG82 UPPER END INJECTORS
 [List of Pre Grant Publications for class 261 subclass DIG83][List of Patents for class 261 subclass DIG83] DIG83 FUEL VAPOR GENERATION
 [List of Pre Grant Publications for class 261 subclass DIG84][List of Patents for class 261 subclass DIG84] DIG84 TAMPERPROOF
 [List of Pre Grant Publications for class 261 subclass DIG85][List of Patents for class 261 subclass DIG85] DIG85 DROPLET CATCHERS
 [List of Pre Grant Publications for class 261 subclass DIG86][List of Patents for class 261 subclass DIG86] DIG86 COOLING TOWER ICE PREVENTION
 [List of Pre Grant Publications for class 261 subclass DIG87][List of Patents for class 261 subclass DIG87] DIG87 COOLING TOWER POWER GENERATORS
[List of Pre Grant Publications for class 261 subclass DIG88][List of Patents for class 261 subclass DIG88] DIG88 AROMA DISPENSERS
 [List of Pre Grant Publications for class 261 subclass DIG89][List of Patents for class 261 subclass DIG89] DIG89 Subclass DIG89 indent level is 1 Electrically heated aroma dispensers

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