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Class Information
Number: 137/446
Name: Fluid handling > Liquid level responsive or maintaining systems > By float controlled valve > Float arm operated valve > With interposed cam, gear or threaded connection
Description: Apparatus in which the connection between the float arm and the valve controlled thereby comprises a cam or gear or a screw thread type mechanical motion.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8631818 Vertical float valve assembly Jan. 21, 2014
8550111 Mechanism for controlling a gauge for indicating the amount of gas remaining in a gas tank Oct. 8, 2013
8474478 Float valve Jul. 2, 2013
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
8047223 Gauge assembly having a stop fill device Nov. 1, 2011
7748402 Valve assembly Jul. 6, 2010
7654281 Gauge assembly having a stop fill device Feb. 2, 2010
7412988 Pneumatic level control Aug. 19, 2008
7293578 Gauge assembly having a stop fill device Nov. 13, 2007
7089974 Float operated overfill protection device Aug. 15, 2006
7040343 Valve assembly with low gas level signaling and controlling function May. 9, 2006
6953050 Float, particularly for level control in bottles of liquefied gas and the like Oct. 11, 2005
6913047 Drop tube assemblies adapted for use with a liquid reservoir Jul. 5, 2005
6910499 Valve assembly for pressurized fluid vessel Jun. 28, 2005
6895990 Water heater fail safe apparatus May. 24, 2005
6874528 Fill valve assembly Apr. 5, 2005
6823890 Water-intake control valve Nov. 30, 2004
6810905 Propane overflow protection valve Nov. 2, 2004
6640829 Valve for a tap of a compressed or liquified gas cylinder, and tap provided with such a valve Nov. 4, 2003
6557579 Double metal seal May. 6, 2003
6450196 Float valve Sep. 17, 2002
6408869 Safety valve Jun. 25, 2002
6308729 Filling valve for a pressurized fluid container Oct. 30, 2001
6293302 Overflow protection valve assembly Sep. 25, 2001
6227233 Pressurized fluid apparatus May. 8, 2001
6178994 Tap for compressed or liquefied gases having an overcharging prevention function Jan. 30, 2001
6142175 Structure of a floating-ball valve Nov. 7, 2000
6138709 Overfill protection device Oct. 31, 2000
6123099 Pinch tube tank level control valve with snap-action shutoff Sep. 26, 2000
6109314 Tap for compressed or liquefied gas Aug. 29, 2000
6079438 Valve device for controlling the filling level of cylinders and the like with liquefied gases Jun. 27, 2000
6076546 Overflow protection valve assembly Jun. 20, 2000
6026841 Pressurized fluid apparatus Feb. 22, 2000
6006779 Fluid cutoff system Dec. 28, 1999
5992445 Float unit for controlling the filling level of liquid gases in vessels Nov. 30, 1999
5921272 Floater device for checking the liquefied gas filling level of cylinders or the like Jul. 13, 1999
5896887 Pinch tube tank level control valve with snap-action shutoff Apr. 27, 1999
5894858 Device for shutting off the feed or discharge pipe of a mobility separator Apr. 20, 1999
5878775 Toilet valve assembly Mar. 9, 1999
5857483 Plastic float valve Jan. 12, 1999
5850849 Storage tank shutoff valve with double cam assembly Dec. 22, 1998
5682919 Float controlled valve shut-off assembly Nov. 4, 1997
5564464 Storage tank shut-off valve Oct. 15, 1996
5551466 Hydraulic valve Sep. 3, 1996
5487404 Valve for a tap of a compressed or liquified gas cylinder, and tap provided with such a valve Jan. 30, 1996
5472012 Storage tank shutoff valve Dec. 5, 1995
5313979 Fountain faucet May. 24, 1994
5282496 Tap for compressed or liquefied gases Feb. 1, 1994
5169291 Water heater with shut-off valve Dec. 8, 1992

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