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Class Information
Number: 137/432
Name: Fluid handling > Liquid level responsive or maintaining systems > By float controlled valve > Rectilinearly traveling float > Float co-axial with valve or port > Float surrounds inlet pipe
Description: Apparatus in which the float surrounds the inlet pipe for the fluid the flow of which is controlled by the valve.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8376088 Twin lubrication tank filling system Feb. 19, 2013
8276610 Toilet cistern inlet valve Oct. 2, 2012
8132273 Toilet fill valve including leak prevention mechanism Mar. 13, 2012
7802735 Refrigerant floating expansion apparatus Sep. 28, 2010
7089974 Float operated overfill protection device Aug. 15, 2006
7028704 Fill valve Apr. 18, 2006
6913035 Water filler for water tank Jul. 5, 2005
6848469 Adjustable valve for a toilet Feb. 1, 2005
6712090 Hydraulic valve Mar. 30, 2004
6666228 Ball cock assembly Dec. 23, 2003
6539973 Water pressure-assisted flush valve Apr. 1, 2003
6523564 Above ground overfill valve Feb. 25, 2003
6450195 Toilet tank fill valve with float Sep. 17, 2002
6123099 Pinch tube tank level control valve with snap-action shutoff Sep. 26, 2000
6047725 Adjustable height fill valve Apr. 11, 2000
6035879 Automatic fill valve assembly Mar. 14, 2000
5896887 Pinch tube tank level control valve with snap-action shutoff Apr. 27, 1999
5839465 Above-ground tank auto-limiter Nov. 24, 1998
5769111 Leak detector Jun. 23, 1998
5655565 Above-ground tank auto-limiter Aug. 12, 1997
5640994 Liquid reservoir Jun. 24, 1997
5551466 Hydraulic valve Sep. 3, 1996
5542448 Latch attachment preventing chronic leakage Aug. 6, 1996
5485866 Fluid shut off valve and fill level indication Jan. 23, 1996
5427137 Fluid shut off valve and fill level indication Jun. 27, 1995
5398722 Automatic control valve and method Mar. 21, 1995
5287882 Ball cock assembly float with drain openings Feb. 22, 1994
5279602 Suction drainage infection control system Jan. 18, 1994
5234419 Suction drainage infection control system Aug. 10, 1993
5211204 Toilet tank ballcock with detent arm May. 18, 1993
5150732 Boosted differential pressure-type tank valve Sep. 29, 1992
5141019 Two stage automatic shutoff valve Aug. 25, 1992
5095937 Two stage automatic shut off valve Mar. 17, 1992
5062444 Fuel level responsive vapor vent valve Nov. 5, 1991
5050567 Fuel supply system Sep. 24, 1991
5035257 Toilet tank valve Jul. 30, 1991
5010915 Two stage automatic shut off valve Apr. 30, 1991
5007452 Bowl fill for a tank valve Apr. 16, 1991
4873832 Liquid level control for a cryogenic fluid Oct. 17, 1989
4842011 Flushing means Jun. 27, 1989
4813282 Vehicle fuel level sensor Mar. 21, 1989
4735230 Overflow valve system Apr. 5, 1988
4621657 Automatic water level monitoring system Nov. 11, 1986
4601071 Flush system Jul. 22, 1986
4600031 Ball cock and float assembly Jul. 15, 1986
4573495 Hydrostatic ballcock assembly Mar. 4, 1986
4414998 Air gap system to maintain pure liquid supplies Nov. 15, 1983
4341238 Flushing means Jul. 27, 1982
4300489 Pipe closing device Nov. 17, 1981
4286619 Ballcock assembly Sep. 1, 1981

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