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Class Information
Number: 137/543.19
Name: Fluid handling > Line condition change responsive valves > Direct response valves (i.e., check valve type) > Reciprocating valves > Spring biased > Spring coaxial with valve > Cage-type guide for stemless valves
Description: Valves wherein the guide is cage-like and guides a stemless valve by sliding contact with the outer periphery thereof.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8671976 Exhaust check valve of swash plate compressor Mar. 18, 2014
8596994 Compressor Dec. 3, 2013
8561640 Latching check valve Oct. 22, 2013
8499787 Pressure control valve Aug. 6, 2013
8347458 Bypass-type motor protecting device for a vacuum cleaner Jan. 8, 2013
8276613 One-way valve of variable capacity compressor for vehicle Oct. 2, 2012
8096319 Check valve Jan. 17, 2012
7895993 Internal combustion engine having exhaust gas recirculation Mar. 1, 2011
7766035 Fluid jet for providing fluid under pressure to a desired location Aug. 3, 2010
7708026 Fluid jet with noise reducing sleeve May. 4, 2010
7665182 Vacuum cleaner and damper installation structure thereof Feb. 23, 2010
7581560 Check valve Sep. 1, 2009
7510326 Moisture-proof sealing bag Mar. 31, 2009
7441561 Reinforced valve assembly Oct. 28, 2008
7426932 Spray fill device and method for using the same Sep. 23, 2008
7296594 Combination check valve and neutral valve assembly for use in a hydraulic component Nov. 20, 2007
7201184 Pressure protection valve Apr. 10, 2007
7152623 Fluid jet for providing fluid under pressure to a desired location Dec. 26, 2006
7147002 Modular multi-function fluid flow control device Dec. 12, 2006
6978800 Closure device with self-aligning poppet Dec. 27, 2005
6978801 Backflow prevention valve Dec. 27, 2005
6971406 Backflow prevention valve Dec. 6, 2005
6948521 Check valve device Sep. 27, 2005
6948516 Excess tire air pressure relief valve Sep. 27, 2005
6851440 Method of mixing fluids using a valve Feb. 8, 2005
6840271 Compressor discharge valve retainer Jan. 11, 2005
6840270 Low deviation pressure relief valve for fuel pumps Jan. 11, 2005
6712591 Discharge valve of a hermetic compressor using stopper and weight driven disc valve Mar. 30, 2004
6685451 Valve assembly for sucker rod operated subsurface pumps Feb. 3, 2004
6613220 Sieve filter for fluid conduits, especially for hydraulic pressure lines in internal combustion engines Sep. 2, 2003
6581632 Automatic valve Jun. 24, 2003
6564828 Check valve May. 20, 2003
6543478 Thermostatic mixing valve Apr. 8, 2003
6536467 Valve with increased inlet flow Mar. 25, 2003
6514232 Vacuum adjustment valve, particularly for thoracic drainage devices Feb. 4, 2003
6435848 Variable capacity type compressor with check valve Aug. 20, 2002
6427711 Inline check valve Aug. 6, 2002
6279606 Microvalve device having a check valve Aug. 28, 2001
6234194 Valve May. 22, 2001
6227240 Unitized spherical profile check valve with replaceable sealing element May. 8, 2001
6179589 Scroll machine with discus discharge valve Jan. 30, 2001
6164334 Reed valve retention Dec. 26, 2000
6117312 Filter bypass valve having adjustable spring biasing force Sep. 12, 2000
6089262 Retained seat check valve Jul. 18, 2000
6044862 Compressor reed valve Apr. 4, 2000
6042350 Piston pump Mar. 28, 2000
6019124 Valve assembly for use with high pressure pumps Feb. 1, 2000
6019125 Valve unit for high-pressure pumps Feb. 1, 2000
5960825 Laser hardened reed valve Oct. 5, 1999
5919033 Pump having relief valve seat free of direct structural restraint Jul. 6, 1999

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