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Class Information
Number: 137/467
Name: Fluid handling > Line condition change responsive valves > Fluid opened valve requiring reset
Description: Apparatus in which a valve opens in response to a change in internal fluid condition and will not return to its closed operative position on removal of the change in condition until a closing or resetting of the valve and/or a trip device is performed by an external operator, usually manually.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8528588 Safety valve drive system Sep. 10, 2013
8522815 Gas shutoff device Sep. 3, 2013
8434692 Flow distribution regulation arrangement with bimetallic elements for adjusting the flow distribution in a cooling channel May. 7, 2013
8430647 Compressor safety valve Apr. 30, 2013
8307847 Ejector valve with glands Nov. 13, 2012
8251089 Relief system for process fluids under pressure Aug. 28, 2012
8251090 Faucet having a pressure release function Aug. 28, 2012
8176580 Diverter spout May. 15, 2012
8104504 Methods and apparatus for removable lid with ultra fast action speed for relies compressed media, liquid or compressed gas Jan. 31, 2012
8069950 Environmental compressor protection assembly Dec. 6, 2011
7938139 Smart reset relief valve May. 10, 2011
7806235 Environmental compressor protection assembly Oct. 5, 2010
7789101 Oxygen supply system having a central flow control Sep. 7, 2010
7784117 Electromechanical safety valve system for swimming pool and spa pumps Aug. 31, 2010
7484525 Resettable failed nozzle relief valve Feb. 3, 2009
7455070 Swimming pool vacuum relief safety valve Nov. 25, 2008
7448403 Faucet co-operating with shower head Nov. 11, 2008
7341072 Oxygen supply system having a central flow control unit Mar. 11, 2008
7311117 Reset relief valve Dec. 25, 2007
7117885 Reset relief valve Oct. 10, 2006
7000630 Flame front diverter element Feb. 21, 2006
6796321 Pressure relief valve Sep. 28, 2004
6687923 Vacuum release valve and method Feb. 10, 2004
6651687 Pressure relief system with clutch activated valve Nov. 25, 2003
6591863 Adjustable pool safety valve Jul. 15, 2003
6425410 High impact type gate pressure release valve Jul. 30, 2002
6412512 Pressure control valve Jul. 2, 2002
6367498 Pressure relief apparatus Apr. 9, 2002
6341621 Valve structure for a fluid operated device Jan. 29, 2002
6289918 Automatic locking bypass valve for liquid suction systems Sep. 18, 2001
6264290 Single-operation valve assembly for braking systems and the like Jul. 24, 2001
6250329 Snap open pressure relief valve Jun. 26, 2001
6186159 Rupture disk controlled hydraulically actuated valve assembly Feb. 13, 2001
6098654 Flow blockage suction interrupt valve Aug. 8, 2000
5906219 Pressure sensitive valves May. 25, 1999
5715861 Hydraulically cushioned pressure relief value Feb. 10, 1998
5701925 Sanitary yard hydrant Dec. 30, 1997
5694977 High pressure enabled, low pressure activated automatic fluid control valve Dec. 9, 1997
5518019 Diverter and volume control valve May. 21, 1996
5351714 Safety valve for high-pressure pumps, high-pressure water-jet machines and the like Oct. 4, 1994
5329960 Pressure actuated valve assembly Jul. 19, 1994
5297575 In-line high pressure fluid release valve Mar. 29, 1994
5279005 Tub spout Jan. 18, 1994
5275196 Pressure relief valve for tire rim Jan. 4, 1994
5217249 Pressure relief for a passenger side air bag Jun. 8, 1993
5141020 Emergency vent valves for storage tanks Aug. 25, 1992
5121858 Pressure relief system Jun. 16, 1992
5012834 Fluid pressure flare relief valve May. 7, 1991
4958656 Pressure relief valve Sep. 25, 1990
4949748 Backflash interrupter Aug. 21, 1990

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