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Class Information
Number: 137/426
Name: Fluid handling > Liquid level responsive or maintaining systems > By float controlled valve > Level adjustment or selection means
Description: Apparatus in which the valve operating mechanism can be preset to respond at any one of a plurality of levels, by making appropriate changes in the connections between the valve and the float or any intermediate linkage or mechanism.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8397747 Balanced water-intake control valve Mar. 19, 2013
8360093 Pilot fill valve Jan. 29, 2013
8307844 Baffled tank for a vehicle Nov. 13, 2012
8266737 Swimming pool water leveler Sep. 18, 2012
8261769 Fluid level controller Sep. 11, 2012
8091580 Pilot switch Jan. 10, 2012
8087426 Toilet fill valve lock and method Jan. 3, 2012
8056154 Automatic flushing device with magnetic valve Nov. 15, 2011
7909054 Shank assembly for a fill valve Mar. 22, 2011
7874312 Water level controller Jan. 25, 2011
7814930 Refill control mechanism for a liquid holding tank Oct. 19, 2010
7562399 Toilet flusher for water tanks with novel valves and dispensers Jul. 21, 2009
7559337 Retractable float for a ballcock valve Jul. 14, 2009
7533688 Toilet fill valve lock and method May. 19, 2009
7520296 Device to adjust and control water levels Apr. 21, 2009
7469725 Method and apparatus for accurately delivering a predetermined amount of fuel to a vehicle Dec. 30, 2008
7464415 Automatic cut-off valve Dec. 16, 2008
7392822 Liquid level controller and pilot switch Jul. 1, 2008
7284567 Liquid level controller Oct. 23, 2007
7059342 Liquid shut-off system Jun. 13, 2006
7028704 Fill valve Apr. 18, 2006
7003817 Tank with automatic fill and overfill drain Feb. 28, 2006
6962163 Dual-float snap-action flush valve Nov. 8, 2005
6913035 Water filler for water tank Jul. 5, 2005
6848469 Adjustable valve for a toilet Feb. 1, 2005
6837264 Toilet fill valve with valve lock Jan. 4, 2005
6810904 Lavatory flush tank silent-operating fill device Nov. 2, 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
6666228 Ball cock assembly Dec. 23, 2003
6659125 Height-adjustable tank valve Dec. 9, 2003
6615863 Toilet fill valve tank isolation Sep. 9, 2003
6582563 Water purification system Jun. 24, 2003
6551504 Valve for a fluid treatment system Apr. 22, 2003
6539973 Water pressure-assisted flush valve Apr. 1, 2003
6510866 Ball cock assembly, float assembly for same, and method of controlling liquid level in a tank Jan. 28, 2003
6478044 Snap-action piloted fill valve Nov. 12, 2002
6450195 Toilet tank fill valve with float Sep. 17, 2002
6427719 Hydromagnetic valve for toilets Aug. 6, 2002
6354323 Liquid level controller Mar. 12, 2002
6325095 Multi-point float valve Dec. 4, 2001
6202676 Magnetic liquid control for boiler feedwater receivers Mar. 20, 2001
6199581 Toilet tank fill valve with adjustable standpipe Mar. 13, 2001
6192920 Chain link float valve Feb. 27, 2001
6155288 Fill valve Dec. 5, 2000
6109294 Leak-preventing toilet flush valve assembly Aug. 29, 2000
6095167 Rinse/dry apparatus including a chamber with a moveable side wall Aug. 1, 2000
6047725 Adjustable height fill valve Apr. 11, 2000

1 2 3 4










 
 
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