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Class Information
Number: 137/539.5
Name: Fluid handling > Line condition change responsive valves > Direct response valves (i.e., check valve type) > Reciprocating valves > Spring biased > Ball valves > With follower
Description: Valves wherein a follower (e.g., reciprocating rod) is interposed between the spring and the ball.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8689825 Flow control valve Apr. 8, 2014
8590367 Portable Brinell hardness tester Nov. 26, 2013
8590562 Fluid flow detection device Nov. 26, 2013
8272856 High-pressure pump, in particular for a fuel injection apparatus of an internal combustion engine Sep. 25, 2012
8141749 Foam soap dispenser control valve Mar. 27, 2012
7604063 Flow valve and method Oct. 20, 2009
7311118 Floating ball check valve Dec. 25, 2007
7147002 Modular multi-function fluid flow control device Dec. 12, 2006
7051857 Coupling device and improved method of controlling torque transmission May. 30, 2006
6968858 Check valve Nov. 29, 2005
6953054 Relief valve Oct. 11, 2005
6910745 Check valve with vibration prevention function Jun. 28, 2005
6892758 Check valve with vibration prevention function for valve body May. 17, 2005
6851449 Spring-loaded oil overflow valve for diaphragm compressors Feb. 8, 2005
6837266 Remotely actuated multiple pressure direct acting relief valve Jan. 4, 2005
6692396 Solenoid actuated variable pressure relief valve assembly for limited slip differential assembly Feb. 17, 2004
6675823 Relief valve Jan. 13, 2004
6662824 Check valve slantedly biased against pressure-imposing direction Dec. 16, 2003
6622752 Pressure relief valve Sep. 23, 2003
6439263 Pressure regulating valve and method for producing a pressure regulating valve Aug. 27, 2002
6332761 Radial piston pump for high pressure fuel delivery Dec. 25, 2001
6250336 Water supply coupling with one-way valve for recreational vehicles Jun. 26, 2001
6206032 High pressure check valve fittings Mar. 27, 2001
5992452 Ball and seat valve assembly and downhole pump utilizing the valve assembly Nov. 30, 1999
5980224 Fuel injection pump Nov. 9, 1999
5775360 Pressure control valve Jul. 7, 1998
5692812 Brake regulator with double valve Dec. 2, 1997
5626325 High pressure control valve for a fuel injection system May. 6, 1997
5609477 Inlet/outlet valve arrangement for a fluid pressure intensifying apparatus Mar. 11, 1997
5595213 Quick connector with check valve Jan. 21, 1997
5503542 Compressor assembly with welded IPR valve Apr. 2, 1996
5431183 Flow regulator valve Jul. 11, 1995
5412948 Hydrostatic continuously variable transmission May. 9, 1995
5353834 Check valve Oct. 11, 1994
5293897 Pressure valve Mar. 15, 1994
5251664 Quiet check valve for pulsating flow Oct. 12, 1993
5190362 Pressure limiting valve with uncoupled valve closing body and tappet Mar. 2, 1993
5181768 Pressure switch valve, for hydraulic vehicle brake systems with traction control (ASR) Jan. 26, 1993
5170818 Safety valve Dec. 15, 1992
5141025 Check valve Aug. 25, 1992
5035261 Pump and valve apparatus Jul. 30, 1991
4932434 Adjustable safety relief valve Jun. 12, 1990
4930553 Pressure relief valve Jun. 5, 1990
4905729 Constant pressure type delivery valve for fuel injection pump Mar. 6, 1990
4895499 Outlet valve assembly for paint sprayer Jan. 23, 1990
4893650 One way high pressure flow control fittings Jan. 16, 1990
4852605 Valve operating without friction Aug. 1, 1989
4741352 Adhesive for high temperature thread locking in hydraulic system May. 3, 1988
4736083 Microwave heating digestion vessel Apr. 5, 1988
4722359 Valve arrangement for high pressure pumps Feb. 2, 1988

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