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Class Information
Number: 137/410
Name: Fluid handling > Liquid level responsive or maintaining systems > By float controlled valve > Valve opened by external means, closing or closing control by float
Description: Apparatus wherein the flow controlling valve is opened by external means and its closing is in response to or is controlled by a float.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8672289 Domestic water tap or faucet with floating buoyant ball valve and activation rod Mar. 18, 2014
8387652 Water saver fill valve and assembly Mar. 5, 2013
8316695 Line leak detector and method of using same Nov. 27, 2012
8132273 Toilet fill valve including leak prevention mechanism Mar. 13, 2012
8056154 Automatic flushing device with magnetic valve Nov. 15, 2011
7967025 Overfill protection device (OPD) Jun. 28, 2011
7665482 Float control fluid shut off valve mechanism Feb. 23, 2010
7007319 Overflow device for bathtub Mar. 7, 2006
6712090 Hydraulic valve Mar. 30, 2004
6675398 Diverter for use with tank valves to direct flow to tank or rim Jan. 13, 2004
6513541 Vent valve Feb. 4, 2003
6427719 Hydromagnetic valve for toilets Aug. 6, 2002
6370708 Toilet tank anti-refill device Apr. 16, 2002
6257287 Fuel fill pipe shut-off device Jul. 10, 2001
6244829 Liquid forced-feed apparatus Jun. 12, 2001
6112763 Valves Sep. 5, 2000
6109294 Leak-preventing toilet flush valve assembly Aug. 29, 2000
6003542 Automatic shutoff valve Dec. 21, 1999
5950666 Leak-preventing toilet flush valve assembly Sep. 14, 1999
5775366 Leak-preventing toilet flush valve assembly Jul. 7, 1998
5769111 Leak detector Jun. 23, 1998
5715860 Adjustable valve for controlling the amount of water refilling a toilet bowl after flushing Feb. 10, 1998
5657494 Toilet flushing device Aug. 19, 1997
5653252 Drain valve for a flush tank Aug. 5, 1997
5542448 Latch attachment preventing chronic leakage Aug. 6, 1996
5524299 Toilet tank water flow shutoff apparatus for preventing leakage and overflow Jun. 11, 1996
5464037 Level control valve arrangement and water closet cistern Nov. 7, 1995
5408705 Toilet water reservoir valve utilizing float and hydraulic activators Apr. 25, 1995
5351713 Effect-enhancing structure for rinsing a flush toilet Oct. 4, 1994
5327931 Flush valve leakage prevention and detection device Jul. 12, 1994
5313979 Fountain faucet May. 24, 1994
5287882 Ball cock assembly float with drain openings Feb. 22, 1994
5285533 Anti-leakage apparatus for containers for liquid Feb. 15, 1994
5282280 Toilet water reservoir inlet and outlet control valve Feb. 1, 1994
5234019 Fill control valve for refrigerant container Aug. 10, 1993
5232011 Flush valve leakage prevention and detection device Aug. 3, 1993
5211204 Toilet tank ballcock with detent arm May. 18, 1993
5179739 Water conserving toilet assembly Jan. 19, 1993
5159950 Fountain faucet Nov. 3, 1992
5050240 Air cushion helmet support and ventilation system with air pressure regulator Sep. 24, 1991
5044397 Tank pressure control apparatus Sep. 3, 1991
5031250 Mechanism for filling and discharging a toilet water tank Jul. 16, 1991
4998571 Overfill valve apparatus Mar. 12, 1991
4991615 Tank pressure control apparatus Feb. 12, 1991
4965891 Safety latch for a toilet tank valve Oct. 30, 1990
4858252 Trim assembly Aug. 22, 1989
4843657 Anti-flood toilet tank fill valve Jul. 4, 1989
4842011 Flushing means Jun. 27, 1989
4840196 Bi-stable, three condition flush tank system Jun. 20, 1989
4811754 Rinse water valve for vacuum toilet system Mar. 14, 1989

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