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Class Information
Number: 137/512.4
Name: Fluid handling > Line condition change responsive valves > Direct response valves (i.e., check valve type) > Plural > Integral resilient member forms plural valves
Description: Devices in which the valves are integral resilient members which are attached to the valve body in such a manner as to provide separately operating resilient portions which control separate ports in the valve body.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8684703 Reciprocating compressor Apr. 1, 2014
8602062 Compact reed valve Dec. 10, 2013
8337470 Three-way valve for power injection in vascular access devices Dec. 25, 2012
8267162 Bi-directional pressure relief valve for a plate fin heat exchanger Sep. 18, 2012
8257320 Multi-valve injection/aspiration manifold with needleless access connection Sep. 4, 2012
8197231 Diaphragm pump and related methods Jun. 12, 2012
8011364 Exhalation valve for use in an underwater breathing device Sep. 6, 2011
7905246 Low pressure measurement devices in high pressure environments Mar. 15, 2011
7905252 Apparatus and methods to dispense fluid from a bank of containers and to refill same Mar. 15, 2011
7882836 Diaphragm valve for a respirator Feb. 8, 2011
7617837 Low pressure measurement devices in high pressure environments Nov. 17, 2009
7571738 Flow control device Aug. 11, 2009
7543599 Siphon and backflow resistant valve Jun. 9, 2009
7497230 Priming pump with reed valve Mar. 3, 2009
7475701 Valve systems and injector system including such valve systems Jan. 13, 2009
7445028 Check valves Nov. 4, 2008
7363939 Bleed valve Apr. 29, 2008
7360556 Check valve Apr. 22, 2008
7267669 Two site infusion apparatus Sep. 11, 2007
7178548 Dry safety device for an inflammable gas Feb. 20, 2007
7074022 Discharge valve assembly for reciprocating compressors Jul. 11, 2006
7007715 Pressure release valve Mar. 7, 2006
6936162 Three valve filter element support for filter cartridge Aug. 30, 2005
6932110 Unidirectional valve appliance Aug. 23, 2005
6820652 Multi-channel valve Nov. 23, 2004
6793808 Combination valve support and sealing element for filter cartridges Sep. 21, 2004
6736613 Acceleration fuel pump having a resilient check valve member for a combustion engine carburetor May. 18, 2004
6729345 Sealing valve arrangement May. 4, 2004
6681796 Drainage valve pipe tap assembly Jan. 27, 2004
6537040 Radial piston pump Mar. 25, 2003
6494694 Disposable infusion cassette with low air bubble retention and improved valves Dec. 17, 2002
6416298 Radial piston pump Jul. 9, 2002
6397878 High pressure hose drop backflow/back siphonage preventers Jun. 4, 2002
6378552 Dual speed flow control valve Apr. 30, 2002
6378542 Flow control device having a lip seal and compressible bypass pads and associated method for operating an appliance water valve Apr. 30, 2002
6364861 Multi-valve injection/aspiration manifold Apr. 2, 2002
6328227 Device for producing a lubricant mist in a compressed air line Dec. 11, 2001
6305413 Mixing adaptor system Oct. 23, 2001
6273124 Check valve floor drain Aug. 14, 2001
6234196 Mixing adaptor and system May. 22, 2001
6136183 Relief valve for filter device Oct. 24, 2000
6096199 Oil filter cartridge with temperature sensitive bypass valve Aug. 1, 2000
6089260 Nested duckbill check valves Jul. 18, 2000
6085773 Automatic fluid switching valve Jul. 11, 2000
6035896 Valve Mar. 14, 2000
6022199 Reciprocating compressor Feb. 8, 2000
5848881 Liquid drug infusion pump Dec. 15, 1998
5842503 Integrally formed air flow valve Dec. 1, 1998
5762103 Tilting o-ring check valve Jun. 9, 1998
5718571 Valve assembly Feb. 17, 1998

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