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Class Information
Number: 137/601.2
Name: Fluid handling > Systems > Dividing into parallel flow paths with recombining > Having direct response valve (e.g., check valve, etc.)
Description:










Sub-classes under this class:

Class Number Class Name Patents
137/601.21 With reverse flow direction 28


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8684034 Pressure relief valve Apr. 1, 2014
8671971 Systems and methods for providing a monitoring and deactivation apparatus for a beverage distribution system Mar. 18, 2014
8474787 Valve cartridge for a solenoid valve, and associated solenoid valve Jul. 2, 2013
8413688 Device for controlling a pilot pressure signal Apr. 9, 2013
8387654 Automatic pressure reducing valve Mar. 5, 2013
8181757 Adjustable damping valve with a fail-safe damping force characteristic May. 22, 2012
8176937 Temperature adjustable mixing valve May. 15, 2012
8113596 Solenoid valve for brake system Feb. 14, 2012
7753073 Occlusion valve with safety relief Jul. 13, 2010
7726344 Device for dynamic control of a water flow Jun. 1, 2010
7681597 Thermostatic mixer with device for dynamic regulation of a water flow Mar. 23, 2010
7681598 Device for dynamic control of a water flow Mar. 23, 2010
7628170 Flow control valve Dec. 8, 2009
7464724 Valve assembly Dec. 16, 2008
7426935 Method of discharging high pressure storage vessels Sep. 23, 2008
7412987 Expansion tank with valve Aug. 19, 2008
7278445 Shoe having an inflatable bladder Oct. 9, 2007
7137402 Oil deaeration device Nov. 21, 2006
7121293 Tri valve backflow preventer Oct. 17, 2006
6981519 Pressure-regulating valve Jan. 3, 2006
6962165 Automatically-actuated safety device with a double-seated valve to regulate the flow rate of a fluid Nov. 8, 2005
6915787 Fuel supply apparatus and fuel pressure regulator Jul. 12, 2005
6871666 Bi-directional dual chamber orifice fitting Mar. 29, 2005
6868861 Level control system for sheet casting process Mar. 22, 2005
6843463 Pressure regulated slip ram on a coil tubing blowout preventer Jan. 18, 2005
6766800 Pressure regulating valve for use in continuous positive airway pressure devices Jul. 27, 2004
6763844 Fuel tank structure of a remotely controllable car Jul. 20, 2004
6725874 Delayed triple pressure flow valve Apr. 27, 2004
6629545 Cut-off valve for power steering systems, especially for automobiles Oct. 7, 2003
6619182 Flow control device Sep. 16, 2003
6607007 Cylinder valve and bayonet check-filter with excess-flow protection feature Aug. 19, 2003
6557819 Roll seal control valve May. 6, 2003
6467753 Sealing joint and casing, especially for a stopcock actuator Oct. 22, 2002
6467504 N connection Oct. 22, 2002
6439265 Solenoid valve with a check valve Aug. 27, 2002
6328055 Annulus pressure referenced circulating valve Dec. 11, 2001
6276658 Roll seal control valve Aug. 21, 2001
5474104 Refueling check valve for compressed natural gas powered vehicles Dec. 12, 1995
5467797 Two-position three-way solenoid valve Nov. 21, 1995
5452740 Water conservation system Sep. 26, 1995
5148830 Flow control device Sep. 22, 1992
5103867 Active reed valve Apr. 14, 1992
4964567 Expansion and check valve combination Oct. 23, 1990
4928731 Aircraft toilet tank filling valve assembly May. 29, 1990
4836245 Control valve Jun. 6, 1989
4708084 System for distributing water flow between a reservoir and a water source Nov. 24, 1987
4681297 Adjustable pressure regulating solenoid valve Jul. 21, 1987
4637426 Fill control valve Jan. 20, 1987
4498497 Flow meter bypass valve assembly Feb. 12, 1985
4440275 Check valve for automotive braking system Apr. 3, 1984

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