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Class Information
Number: 137/436
Name: Fluid handling > Liquid level responsive or maintaining systems > By float controlled valve > Float arm operated valve > With flow guide or restrictor
Description: Apparatus including means to restrict or act as a guide for the flow of liquid to or from the valve controlled by the float.










Sub-classes under this class:

Class Number Class Name Patents
137/437 External hood or deflector or annular outlet surrounding the inlet pipe 38


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8596293 Water appliance having a flow control unit and a filter assembly Dec. 3, 2013
8360093 Pilot fill valve Jan. 29, 2013
8347910 Water refilling plug for battery cells Jan. 8, 2013
8033291 Magnetically activated cut-off valve assembly Oct. 11, 2011
7909054 Shank assembly for a fill valve Mar. 22, 2011
7174912 Shut-off valve assembly Feb. 13, 2007
7044165 Outflow regulator for a gravity-fed liquid outlet May. 16, 2006
6874528 Fill valve assembly Apr. 5, 2005
6837264 Toilet fill valve with valve lock Jan. 4, 2005
6823889 Toilet fill valve with adjustable bowl fill flow Nov. 30, 2004
6810904 Lavatory flush tank silent-operating fill device Nov. 2, 2004
6766825 Top-loaded replaceable flow control and particulate strainer Jul. 27, 2004
6755209 Fill valve assembly for a flush tank Jun. 29, 2004
6712090 Hydraulic valve Mar. 30, 2004
6679285 Faucet for filling tanks Jan. 20, 2004
6675398 Diverter for use with tank valves to direct flow to tank or rim Jan. 13, 2004
6666229 Noise reducing housing for toilet tank fill valve Dec. 23, 2003
6659125 Height-adjustable tank valve Dec. 9, 2003
6615863 Toilet fill valve tank isolation Sep. 9, 2003
6536465 Filling limitor for small, shallow liquid storage tanks Mar. 25, 2003
6510866 Ball cock assembly, float assembly for same, and method of controlling liquid level in a tank Jan. 28, 2003
6415813 Shut-off valve for a tank Jul. 9, 2002
6354326 Toilet fill valve with improved noise abatement Mar. 12, 2002
6332475 Filling stop valve Dec. 25, 2001
6295660 Toilet tank with sediment removal assembly Oct. 2, 2001
6260574 Toilet tank fill valve connectable to riser with pre-selected height Jul. 17, 2001
6244292 Ballcock valve for water tanks Jun. 12, 2001
6192916 Flow-limiting float valve Feb. 27, 2001
6182306 Side-mount toilet valve Feb. 6, 2001
6109294 Leak-preventing toilet flush valve assembly Aug. 29, 2000
6102067 Bifurcated fill valve assembly Aug. 15, 2000
5975125 Combined filter and noise suppressor for fill valve Nov. 2, 1999
5950666 Leak-preventing toilet flush valve assembly Sep. 14, 1999
5904176 Silent valve ball cock assembly May. 18, 1999
5775366 Leak-preventing toilet flush valve assembly Jul. 7, 1998
5772928 Needle and seat valve assembly Jun. 30, 1998
5738141 WC-cistern filling valve Apr. 14, 1998
5715860 Adjustable valve for controlling the amount of water refilling a toilet bowl after flushing Feb. 10, 1998
5715859 Adjustable fill valve assembly Feb. 10, 1998
5653252 Drain valve for a flush tank Aug. 5, 1997
5280803 A valve arrangement Jan. 25, 1994
5134729 Universal positive shut off, metered water control system for use with flush toilet tanks Aug. 4, 1992
5119845 Device of water plug noise elimination and water seal flush toilet Jun. 9, 1992
5082017 Anti-siphon ball cock with volume control Jan. 21, 1992
5067516 Valve assembly Nov. 26, 1991
4938245 Low noise toilet tank valve Jul. 3, 1990
4901753 Float assembly valve Feb. 20, 1990
4762142 Metered float controlled valve Aug. 9, 1988
4718449 Float operated valve assembly with weighted body Jan. 12, 1988
4655244 Float operated valve Apr. 7, 1987

1 2










 
 
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