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Class Information
Number: 137/903
Name: Fluid handling > Rubber valve springs
Description: Art collection drawn to rubber valve springs.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8074683 Valve system for a coulometric analyte sensing instrument Dec. 13, 2011
7895815 Devices for introducing air into, or removing air from, containers Mar. 1, 2011
7765777 Devices for introducing air into, or removing air from, containers Aug. 3, 2010
7766028 Pressure regulator Aug. 3, 2010
7708031 Check valve May. 4, 2010
7540304 Elastomeric check valve Jun. 2, 2009
7458392 Spring actuated check valve Dec. 2, 2008
7328548 Devices and methods for introducing air into, or removing air from, containers Feb. 12, 2008
7325381 Devices and methods for introducing air into, or removing air from, containers Feb. 5, 2008
7140520 Spigot for a beverage dispenser Nov. 28, 2006
7028922 Soap dispenser system and valve arrangement therefor Apr. 18, 2006
6938642 Pressure regulator Sep. 6, 2005
6910466 Elastomeric vapor flow control actuator with improved mechanical advantage Jun. 28, 2005
6889668 System for extending an elastomeric vapor flow control actuator May. 10, 2005
6851938 Magnetic pumping system Feb. 8, 2005
6619308 Pressure regulator Sep. 16, 2003
6530395 Check valve arrangement Mar. 11, 2003
6357723 Amplified pressure air driven diaphragm pump and pressure relief valve therefor Mar. 19, 2002
6273117 Pressure regulator Aug. 14, 2001
6158458 Medical intravenous administration line connectors having a luer or pressure activated valve Dec. 12, 2000
6076804 Hydraulic controlling valve Jun. 20, 2000
5782816 Bi-directional valve and method of using same Jul. 21, 1998
5564468 Seat-style pressure-relief valve Oct. 15, 1996
5535785 Luer-activated check valve Jul. 16, 1996
5447257 Valve trumpet spring and seal Sep. 5, 1995
5323807 Stop drop valve Jun. 28, 1994
5299718 Bottle closures Apr. 5, 1994
5288214 Micropump Feb. 22, 1994
5285931 Pressure capsule for spray can and spray can which utilizes such pressure capsule Feb. 15, 1994
5285805 Stretch valve method and apparatus Feb. 15, 1994
5275309 One way valve with unitary valve element Jan. 4, 1994
5215522 Single use medical aspirating device and method Jun. 1, 1993
5017100 Integral pump and check valve apparatus May. 21, 1991
4921017 Check valve May. 1, 1990
4908018 Method and apparatus for injecting fluids into an IV line Mar. 13, 1990
4856554 Vacuum check valve and method of control Aug. 15, 1989
4853160 Apparatus for adjusting a variable length valve member for a needle valve Aug. 1, 1989
4828126 Baby bottle having an air inlet valve May. 9, 1989
4798226 Charging valve Jan. 17, 1989
4794943 Fluid control valve assembly Jan. 3, 1989
4773571 Seltzer package, valve, poppet and spring Sep. 27, 1988
4723694 Fluid dispensing valve mechanism and assembly Feb. 9, 1988
4681139 Elastomer ball check valve Jul. 21, 1987
4681132 Check valve with preset cracking pressure Jul. 21, 1987
4597511 Positive one-way check valve Jul. 1, 1986
4595172 Vent valves for prosthetic devices Jun. 17, 1986
4583925 Suction pump Apr. 22, 1986
4557290 Hydraulic slide control safety valve for a mine support jack Dec. 10, 1985
4524631 Valve for power-steering systems Jun. 25, 1985
4484727 Fluid control valves Nov. 27, 1984

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