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Class Information
Number: 137/445
Name: Fluid handling > Liquid level responsive or maintaining systems > By float controlled valve > Float arm operated valve > With toggle or second lever connected to valve
Description: Apparatus in which there is a second lever or toggle connecting the float arm with the valve controlled thereby.










Patents under this class:

Patent Number Title Of Patent Date Issued
8661814 Method and system for controlling a turbocharger compressor bypass Mar. 4, 2014
8474478 Float valve Jul. 2, 2013
8397747 Balanced water-intake control valve Mar. 19, 2013
8261769 Fluid level controller Sep. 11, 2012
8261768 Device for preventing overfilling of containers, in particular containers intended to contain liquefied gases Sep. 11, 2012
8256451 Valve device for filling containers, in particular containers intended to contain liquefied gases Sep. 4, 2012
8132273 Toilet fill valve including leak prevention mechanism Mar. 13, 2012
7584939 Surge flushing device for wastewater channels and the like Sep. 8, 2009
7559337 Retractable float for a ballcock valve Jul. 14, 2009
7243675 Drop tube segments adapted for use with a liquid reservoir Jul. 17, 2007
7213610 Drop tube segments adapted for use with a liquid reservoir and methods May. 8, 2007
6886589 Float valve May. 3, 2005
6523564 Above ground overfill valve Feb. 25, 2003
6354323 Liquid level controller Mar. 12, 2002
6123099 Pinch tube tank level control valve with snap-action shutoff Sep. 26, 2000
5896887 Pinch tube tank level control valve with snap-action shutoff Apr. 27, 1999
5839465 Above-ground tank auto-limiter Nov. 24, 1998
5755257 Retention gate May. 26, 1998
5655565 Above-ground tank auto-limiter Aug. 12, 1997
5522415 Automatic shut-off valve for liquid storage tanks and method of installation Jun. 4, 1996
5426990 Over-center toggle linkage valve actuating mechanism with adjustable tension spring preloading Jun. 27, 1995
5396921 Fluid-flow controlling apparatus Mar. 14, 1995
5386844 Float actuated combination air and vacuum valve Feb. 7, 1995
5385697 Carburetor float and method of forming same Jan. 31, 1995
5351713 Effect-enhancing structure for rinsing a flush toilet Oct. 4, 1994
5230361 Snap action toggle valve actuator assembly Jul. 27, 1993
5174345 Drop tubes and overfill valves therefor Dec. 29, 1992
5080126 Float controlled valve Jan. 14, 1992
5031655 Self-locking vent valve Jul. 16, 1991
4986320 Drop tube having an overfill valve Jan. 22, 1991
4901753 Float assembly valve Feb. 20, 1990
RE32870 Sewer relief valve Feb. 21, 1989
4781210 Replacement inlet valve assembly for a toilet tank Nov. 1, 1988
4646780 Toilet tank float valve assembly Mar. 3, 1987
4540016 Flow-control system with pressure-responsive valve Sep. 10, 1985
4488571 Flow-control system with pressure-responsive valve Dec. 18, 1984
4475571 Sewer relief valve Oct. 9, 1984
4311162 Inverted bucket steam trap Jan. 19, 1982
4295488 Diaphragm and ball valve Oct. 20, 1981
4275755 Steam trap Jun. 30, 1981
4230145 Fluid control valve Oct. 28, 1980
4230142 Vent/vacuum breaker float valve assembly Oct. 28, 1980
4192341 Drain trap valve mechanism Mar. 11, 1980
4114641 Sewage relief valve Sep. 19, 1978
3994029 Fluid control system Nov. 30, 1976
3982557 Fluid valve with float actuator Sep. 28, 1976
3965903 Suction bottle assembly Jun. 29, 1976











 
 
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