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Class Information
Number: 137/614.19
Name: Fluid handling > Systems > Flow path with serial valves and/or closures > Biased valve with external operator
Description: Systems in which at least one of the valves is biased by spring means, gravity or fluid pressure and which is also provided with an operator therefor which is manually actuatable from outside the system.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8656946 Valves Feb. 25, 2014
8646478 Tank valve system Feb. 11, 2014
8636028 Refillable propane cylinder and valve assembly therefore Jan. 28, 2014
8627849 Valve having two opposing self-sealing poppets Jan. 14, 2014
8539980 Device for controlled operation of a surgical or dental drive unit Sep. 24, 2013
8413681 Swivel adapter for an irrigation valve Apr. 9, 2013
8381769 Flow controller Feb. 26, 2013
8281810 Dry valve for sprinkler system Oct. 9, 2012
8276792 Dispenser having a conical valve assembly Oct. 2, 2012
8256460 Device for controlled operation of a surgical or dental drive unit Sep. 4, 2012
8205635 Flowmeter and flow-rate controller Jun. 26, 2012
8156961 Assembly including a pressurized gas storage tank and a control device for filling the tank with gas and/or extracting gas therefrom Apr. 17, 2012
8152134 Valve with regulating function Apr. 10, 2012
8062100 Water supply for a hand-held power tool Nov. 22, 2011
7900887 Assembly of an energy transmission member for a hand-operated device and an energy source having means for the locking in rotation and angular indexing of the source Mar. 8, 2011
7751959 Semi-active suspension system with anti-roll for a vehicle Jul. 6, 2010
7591291 Refueling assembly having a check valve receptacle and a replaceable fuel receiver for bottom-filled fuel tanks Sep. 22, 2009
7584874 Dispenser having a conical valve assembly Sep. 8, 2009
7527071 Gas plug connector May. 5, 2009
7475440 Inflatable device forming mattresses and cushions Jan. 13, 2009
7438082 Frost-resistant stand valve Oct. 21, 2008
7314211 Connector for a compressed-gas cannister and a fastening appliance Jan. 1, 2008
7296595 Adjustable flow rate valve Nov. 20, 2007
7252109 Safety device for a lighting valve of a gas burner Aug. 7, 2007
7237570 Gas cylinder dispensing valve Jul. 3, 2007
7198058 Device for actuating double seat valves Apr. 3, 2007
7191791 Device for actuating double seat valves Mar. 20, 2007
7111642 Valve having fast and slow acting closure elements Sep. 26, 2006
7077382 Water supply shut off valve with quick connect having flow regulation Jul. 18, 2006
7000635 Double valve Feb. 21, 2006
6968851 Double block valve with proving system Nov. 29, 2005
6929028 Gas control assembly Aug. 16, 2005
6916007 Closure valve apparatus for fluid dispensing Jul. 12, 2005
6901962 Surge prevention device Jun. 7, 2005
6782918 Valve device for pressurized gas cylinder Aug. 31, 2004
6783736 Cartridge for analyzing a fluid sample Aug. 31, 2004
6655409 Combined stop and control valve for supplying steam Dec. 2, 2003
6648006 Valve and a method of closing a valve Nov. 18, 2003
6626204 Cylinder valve assembly with check valve Sep. 30, 2003
6622743 Surge prevention device Sep. 23, 2003
6557585 Safety water-supply valve apparatus for water purifier May. 6, 2003
6539970 Method and apparatus for servicing a pressurized system Apr. 1, 2003
6520207 Combination poppet and gate valve Feb. 18, 2003
6447273 Variable-delivery high-pressure fuel pump Sep. 10, 2002
6405768 Pressure fuel servicing nozzle Jun. 18, 2002
6279602 Valve with improved piston with elastomer O-ring Aug. 28, 2001
6269840 Valve-in-valve body, vent port and method Aug. 7, 2001
6244291 Process sampling selection valves Jun. 12, 2001
6237632 Undersea hydraulic coupling member with primary and secondary poppet valves May. 29, 2001
6230737 Cylinder valve assembly May. 15, 2001

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