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Class Information
Number: 137/881
Name: Fluid handling > Systems > With flow control means for branched passages > Biased valve > Spring bias > Spring coaxial with valve
Description: System wherein the axis along which the resilient mass is compressed is coincident with the axis along which the fluent material flow control means moves.










Sub-classes under this class:

Class Number Class Name Patents
137/882 Biased open 44


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8671970 Flow-through trap primer valve assembly Mar. 18, 2014
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8109295 Manifold assembly Feb. 7, 2012
7921880 Three-way poppet valve with intermediate pilot port Apr. 12, 2011
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7036527 Composite valve May. 2, 2006
7028713 Switching valve Apr. 18, 2006
6983623 Valve block assembly for I.S. glassware machine and modular pilot valve operated poppet valve assembly Jan. 10, 2006
6957667 Multifunction tube joint Oct. 25, 2005
6863087 Filling connection for a gas bottle valve Mar. 8, 2005
6840261 Gas valve switch structure of gas stove Jan. 11, 2005
6716004 Blood processing systems with fluid flow cassette with a pressure actuated pump chamber and in-line air trap Apr. 6, 2004
6698453 Pressurization control device for electronic equipment enclosures Mar. 2, 2004
6629545 Cut-off valve for power steering systems, especially for automobiles Oct. 7, 2003
6554027 Electromagnetically controlled seat valve Apr. 29, 2003
6460620 Mudsaver valve Oct. 8, 2002
6386235 Ambulatory cylinder recharging and dispensing valve May. 14, 2002
6382593 Fluid coupling May. 7, 2002
6367506 Switch valve for hot gas circuit of refrigerant circuit Apr. 9, 2002
6343615 Butterfly valve Feb. 5, 2002
6328069 Oil purging device Dec. 11, 2001
6182700 Diverter valve Feb. 6, 2001
6123509 Pressure valve device for a cleaning apparatus Sep. 26, 2000
6041808 Compressed air control device for a source of compressed air on motor vehicles Mar. 28, 2000
5967179 Low profile discharge check valve Oct. 19, 1999
5960818 Filling fitting for filling a closed hot-water heating system Oct. 5, 1999
5862538 Toilet flushing device Jan. 26, 1999
5810115 Pressure bypass accessory for a series progressive divider valve Sep. 22, 1998
5785072 Compressed stopper channel bypass pipe burst pressure relief apparatus for plumbing fixtures Jul. 28, 1998
5771921 Pressure regulator Jun. 30, 1998
5765595 Air/vacuum valve throttling apparatus Jun. 16, 1998
5704387 Propane reserve system Jan. 6, 1998
5640997 Relief valve for gas flow rate regulator Jun. 24, 1997
5571259 Structure of washing machine Nov. 5, 1996
5558129 Stream selector for process analyzer Sep. 24, 1996
5551473 Thermal expansion relief valve Sep. 3, 1996
5407096 Apparatus for providing a portable source of high pressure gas Apr. 18, 1995
5388612 Valve assembly Feb. 14, 1995
5361805 Stream selector for process analyzer Nov. 8, 1994
5311908 Blood processing method and apparatus with disposable cassette May. 17, 1994
5299592 High pressure relief system Apr. 5, 1994
5289850 Fluid coupling having vent valve assembly Mar. 1, 1994

1 2 3










 
 
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