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Class Information
Number: 137/509
Name: Fluid handling > Line condition change responsive valves > With separate connected fluid reactor surface > Valve seating in direction of flow
Description: Apparatus wherein the valve controlling the fluid flow is seated by moving in the direction of flow of the fluid.










Sub-classes under this class:

Class Number Class Name Patents
137/510 Flexible diaphragm or bellows reactor 270


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8590629 Flow stop valve and method Nov. 26, 2013
8561639 Flow check valve assembly and method Oct. 22, 2013
8505583 Method and apparatus for generating high-speed pulsed fluid jets Aug. 13, 2013
8418989 Pressure-balanced choke system Apr. 16, 2013
8205638 Fluid pressure regulator with no-drain valve Jun. 26, 2012
8141579 Valve with cushioned opening system Mar. 27, 2012
8069877 Pressure compensating flush valve with self-cleaning piston Dec. 6, 2011
7950414 Regulating check valve and fuel injecton valve having the same May. 31, 2011
7870869 Dome-loaded pressure regulators Jan. 18, 2011
7866339 Pressure regulator for a fuel supply unit Jan. 11, 2011
7833476 Flamer fuel pressure control Nov. 16, 2010
7699071 Linear motor to pre-bias shuttle force Apr. 20, 2010
7669610 Dome-loaded pressure regulators Mar. 2, 2010
7357151 Fluid control devices Apr. 15, 2008
7343929 Pressure regulator incorporating a pressure balanced moving seat Mar. 18, 2008
7198060 Pressure relieving coupler manifold with internal velocity fuse Apr. 3, 2007
7191795 Venting valve having a cover cap Mar. 20, 2007
7125230 Valve with operation parameter set at assembly and pump using same Oct. 24, 2006
7121812 High pressure pump having replaceable plunger/valve cartridges Oct. 17, 2006
7021559 Pressure regulating device for a pressurized dispensing vessel Apr. 4, 2006
6953052 Fuel system shut-off valve Oct. 11, 2005
6772787 Vacuum regulator for maintaining a substantially constant vacuum in a vacuum system Aug. 10, 2004
6716000 Fuel pump delivery unit Apr. 6, 2004
6616837 Apparatus for the optimization of the rheological characteristics of viscous fluids Sep. 9, 2003
6578601 Liquid pressure regulator Jun. 17, 2003
6405803 Differential flow control valve Jun. 18, 2002
6405722 Single stage regulator and method for regulating compressed air therefor Jun. 18, 2002
6390199 Downhole safety valve May. 21, 2002
6374854 Device for preventing permanent entrapment Apr. 23, 2002
6374852 Leak arresting valve Apr. 23, 2002
6253787 Fluid flow and pressure control system and method Jul. 3, 2001
6206649 Process and apparatus for pressurizing fluid and using them to perform work Mar. 27, 2001
6189984 Hydraulically actuated stop valve and hydraulic brake system for a vehicle Feb. 20, 2001
6148711 Normally-closed diaphragm check valve Nov. 21, 2000
6131607 Delivery valve Oct. 17, 2000
5961051 Shower apparatus Oct. 5, 1999
5941276 Starting valve Aug. 24, 1999
5918623 Starting valve Jul. 6, 1999
5878949 Temperature-actuated valve device and flow passage switching valve using such device Mar. 9, 1999
5860448 Oil pressure supply valve for a traction control system Jan. 19, 1999
5758683 On/off circuit for a hydraulic system Jun. 2, 1998
5752547 Fluid flow control valve May. 19, 1998
5730172 Inlet valve for an air drier Mar. 24, 1998
5636768 Manually operated trigger type dispenser Jun. 10, 1997
5620023 Exhaust-control valve for an electromagnetic pump Apr. 15, 1997
5613516 Combination hydraulic pressure regulator and pressure switch Mar. 25, 1997
5590683 Compensating relief valve Jan. 7, 1997
5575338 Valve for fire fighting installation Nov. 19, 1996
5566713 Gas dispensing control assembly and gas bottle equipped with such an assembly Oct. 22, 1996
5562122 Fluid pressure biased fluid valve device Oct. 8, 1996

1 2 3










 
 
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