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Class Information
Number: 261/DIG.3
Name: Gas and liquid contact apparatus > Air cooling
Description:










Patents under this class:
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Patent Number Title Of Patent Date Issued
7997565 Compact portable air cooler Aug. 16, 2011
7373962 Multi-layer draw-string cooler cover May. 20, 2008
7328886 Air-to-air atmospheric heat exchanger for condensing cooling tower effluent Feb. 12, 2008
7128310 Air-to-air atmospheric heat exchanger for condensing cooling tower effluent Oct. 31, 2006
6824126 Evaporative humidifier with water distribution system Nov. 30, 2004
6663694 Air-to-air atmospheric exchanger for condensing cooling tower effluent Dec. 16, 2003
6663087 Air-to-air atmospheric exchanger for condensing cooling tower effluent Dec. 16, 2003
6575436 Evaporative cooler Jun. 10, 2003
6511049 Air cooler for inclined roof-tops Jan. 28, 2003
6450485 Water entry to the water distribution for evaporative coolers Sep. 17, 2002
6409206 Fan cooled baby stroller Jun. 25, 2002
6338471 Flow control system for an evaporative cooler sump Jan. 15, 2002
6206348 Evaporative cooler for a gas turbine engine Mar. 27, 2001
6027137 Baby carriage with cooling mechanisms Feb. 22, 2000
5946931 Evaporative cooling membrane device Sep. 7, 1999
5759451 Humidifier having multi-stage fans Jun. 2, 1998
5664433 Indirect and direct evaporative cooling system Sep. 9, 1997
5309726 Air handler with evaporative air cooler May. 10, 1994
5292103 Drain valve Mar. 8, 1994
5286377 Evaporative cooler water treatment device Feb. 15, 1994
5247809 Air washer and method Sep. 28, 1993
5226293 Retrofit louver system for evaporative air coolers Jul. 13, 1993
4983314 Quick car-cooling composition Jan. 8, 1991
4976113 Apparatus for indirect evaporative gas cooling Dec. 11, 1990
4854129 Cooling process and apparatus Aug. 8, 1989
4752419 Evaporative cooler Jun. 21, 1988
4701286 Apparatus for dispensing a water treating composition into the recirculating water of an evaporative system Oct. 20, 1987
4657709 Water distribution trough for evaporative cooler pad Apr. 14, 1987
4649000 Evaporative cooler Mar. 10, 1987
4643744 Apparatus for ionizing air Feb. 17, 1987
4573490 Apparatus for the automatic purging of the reservoir in a water recirculation system Mar. 4, 1986
4566290 Capillary fin media Jan. 28, 1986
4562016 Evaporative air-conditioner water bleed-off system Dec. 31, 1985
4556521 Evaporative cooler with high loft cooler pad Dec. 3, 1985
4549406 Cooling device for vehicle interiors Oct. 29, 1985
4499031 Evaporative gas treating system Feb. 12, 1985
4479366 Evaporative cooler Oct. 30, 1984
4478767 Air cooling device Oct. 23, 1984
4476065 Increased capacity wet surface air cooling system Oct. 9, 1984
4476066 Joint assembly for casing cells Oct. 9, 1984
4468357 Pump means and coupling means for evaporative cooler Aug. 28, 1984
4461733 Capillary fin media Jul. 24, 1984
4460520 Evaporative cooler water spreader Jul. 17, 1984
4419300 Non-corrosive, non-staining evaporative cooler Dec. 6, 1983
4379712 Evaporative cooler Apr. 12, 1983
4369148 Supplantary reservoir for evaporative cooler Jan. 18, 1983
4361525 Air cooling apparatus Nov. 30, 1982
4351781 Terraced water distributor for evaporative air conditioner Sep. 28, 1982
4350646 Evaporation air-humidifier Sep. 21, 1982
4338266 Device for conditioning air with improved gas-liquid contact pad Jul. 6, 1982

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