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Class Information
Number: 137/625.33
Name: Fluid handling > Systems > Multi-way valve unit > Dividing into parallel flow paths with recombining > Reciprocating
Description: Devices wherein the valve has a linear motion to and from flow obstructing position.










Sub-classes under this class:

Class Number Class Name Patents
137/625.37 Piston 124
137/625.34 Spool 49


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8684036 Cryogenic valve Apr. 1, 2014
8671983 Gas pressure regulator Mar. 18, 2014
8561632 Quick-acting valve having metering relief Oct. 22, 2013
8550117 Seal assembly for a fluid pressure control device Oct. 8, 2013
8517054 Flow resistance device Aug. 27, 2013
8496026 Valve Jul. 30, 2013
8490652 Cage valve with flow trim for reduced fracturing Jul. 23, 2013
8490651 Fluid adjusting device Jul. 23, 2013
8474484 Fluid control Jul. 2, 2013
8453677 Valve Jun. 4, 2013
8443838 Refrigerant control valves May. 21, 2013
8434525 Noise reducing fluid passageways for fluid flow control devices May. 7, 2013
8430131 Noise control via outlet jet frequency dispersal Apr. 30, 2013
8403003 Fluid pressure control device having a throttling element seal Mar. 26, 2013
8387666 Noise control for fluid pressure reduction device for high pressure drop ratio Mar. 5, 2013
8371333 Cage valve with erosion control Feb. 12, 2013
8245727 Flow control valve and method of use Aug. 21, 2012
8240507 Seal-retaining valve for fluid metering device Aug. 14, 2012
8146619 Fluid control Apr. 3, 2012
8141586 Fluid control Mar. 27, 2012
7938106 Device for controlling an exhaust gas stream May. 10, 2011
7896028 Flow restricted seat ring for pressure regulators Mar. 1, 2011
7886772 Noise reducing fluid passageways for fluid flow control devices Feb. 15, 2011
7832425 Flow for port guided globe valve Nov. 16, 2010
7806140 Power saving locking coil Oct. 5, 2010
7789105 Gas pressure regulator Sep. 7, 2010
7766045 Fluid pressure reduction device for high pressure-drop ratios Aug. 3, 2010
7757962 Thermostatic device and related method Jul. 20, 2010
7726339 Seal cartridge control valve Jun. 1, 2010
7717130 Fast-acting fluid control valve May. 18, 2010
7699075 Reverse flow flow trim for choke valve Apr. 20, 2010
7690400 Noise reducing fluid passageways for fluid control devices Apr. 6, 2010
7685662 Pneumatic control valve and power reserve for a mattress Mar. 30, 2010
7644731 Gas valve with resilient seat Jan. 12, 2010
7597305 Poppet valve device and electronic controlled fuel injection apparatus equipped with the device Oct. 6, 2009
7578314 Seal assembly for a fluid pressure control device Aug. 25, 2009
7543604 Control valve Jun. 9, 2009
7500493 Tuning slide valve for intake manifold Mar. 10, 2009
7498714 Multi-layer three-dimensional structures having features smaller than a minimum feature size associated with the formation of individual layers Mar. 3, 2009
7493914 Newtonian thrust cowl array Feb. 24, 2009
7467781 Poppet valve device and electronic controlled fuel injection apparatus equipped with the device Dec. 23, 2008
7426938 Choke valve flow trim for fracture prevention Sep. 23, 2008
7383859 Main steam valve for a steam turbine Jun. 10, 2008
7373951 Control valve having "C" seal May. 20, 2008
7370661 Permeable gas assembly for gas delivery May. 13, 2008
7337805 Valve with adjustable stop Mar. 4, 2008
7290564 Solenoid valve Nov. 6, 2007
7278557 Pressure container for viscous substances Oct. 9, 2007
7246637 Balanced valve Jul. 24, 2007
7219695 Hydrogen valve with pressure equalization May. 22, 2007

1 2 3 4










 
 
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