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Class Information
Number: 4/362
Name: Baths, closets, sinks, and spittoons > Flush closet > Tank only > Pressure tank > By air under pressure
Description: Subject matter wherein a gaseous medium is used to aid in expelling the liquid from the tank.










Patents under this class:

Patent Number Title Of Patent Date Issued
8615822 Air pressure activated toilet flushing system Dec. 31, 2013
8424126 Controllable toilet flushing apparatus Apr. 23, 2013
7171701 Pressure-flushing device Feb. 6, 2007
6550076 Valve assembly for a pressure flush system Apr. 22, 2003
6467101 Toilet flushing and cleaning device Oct. 22, 2002
6401270 Toilet apparatus Jun. 11, 2002
6360378 Pressurized water closet flushing system Mar. 26, 2002
6263519 Automatic tank-type flusher Jul. 24, 2001
6029288 Power flush tank with improved air inducer Feb. 29, 2000
5596772 Toilet flushing system with multi-diaphragm storage container having three fluid receiving chambers Jan. 28, 1997
5553333 Pressurized water closet flushing system Sep. 10, 1996
5487193 Enhanced operation toilet Jan. 30, 1996
5435019 Pressurized toilet flushing assembly Jul. 25, 1995
5406652 Toilet water source Apr. 18, 1995
5363513 Pressurized flushing toilet Nov. 15, 1994
5241711 Pressurized toilet flushing assembly Sep. 7, 1993
5027444 Device providing automatic delivery of toilet bowl freshener Jul. 2, 1991
4999859 W.C. toilets with low consumption of rinsing water Mar. 19, 1991
4819279 Vacuum toilet system Apr. 11, 1989
4707868 Toilet flushing apparatus Nov. 24, 1987
4521925 Nonrecirculating vacuum flush toilet system utilizing fresh water Jun. 11, 1985
4407025 Water-conserving toilet Oct. 4, 1983
4310934 Water-conserving toilet Jan. 19, 1982
4232409 Pneumatic assisted flushing apparatus for toilets Nov. 11, 1980
4183108 Flush toilet system Jan. 15, 1980
4143433 Water closet Mar. 13, 1979
4142262 Flush toilet system Mar. 6, 1979
4115883 Diaphragm activated toilet Sep. 26, 1978
4075718 Nozzle flush system Feb. 28, 1978
4060857 Water flushing device Dec. 6, 1977











 
 
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