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Class Information
Number: 251/356
Name: Valves and valve actuation > Valve
Description: Subject matter comprising means for variably restricting or entirely cutting off the flow of fluid through a passage.










Sub-classes under this class:

Class Number Class Name Patents
251/366 Bodies 156
251/368 Materials 720
251/358 Reinforced flexible material 86
251/357 Removable seat engaging element 159
251/359 Seats 200


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8636027 Vent with improved seal Jan. 28, 2014
8499557 Variable flow wastegate Aug. 6, 2013
8485221 Flush valve handle and check valve assembly Jul. 16, 2013
8371481 Valve for a container for dispensing pressurized fluid Feb. 12, 2013
8231818 Pressure control valve assembly Jul. 31, 2012
8205448 Turbocharger with improved charge pressure regulating flap configuration Jun. 26, 2012
8186646 Valve trim retention apparatus May. 29, 2012
8157243 Insert molded evacuation valve Apr. 17, 2012
8128062 Valve with self-aligning shaft seal Mar. 6, 2012
8011385 Valve assembly and method of assembly Sep. 6, 2011
7941922 Method of manufacturing a lightweight valve May. 17, 2011
7905468 Lightweight valve Mar. 15, 2011
7882836 Diaphragm valve for a respirator Feb. 8, 2011
7862007 Lightweight valve Jan. 4, 2011
7556011 Valve structure for internal combustion Jul. 7, 2009
7503343 Siphonable check valve and method of making same Mar. 17, 2009
7481417 Vacuum valve Jan. 27, 2009
7413164 Sealing member Aug. 19, 2008
7395835 Air admittance valve Jul. 8, 2008
7387292 Apparatus to connect a stem to a valve member Jun. 17, 2008
7337803 Automatic swimming pool cleaners and components thereof Mar. 4, 2008
7306009 Hydraulic control valve Dec. 11, 2007
7278625 Metering valve Oct. 9, 2007
7240895 Gas exchange valve for an internal combustion engine Jul. 10, 2007
7188731 Variable flexure-based fluid filter Mar. 13, 2007
7070165 Thermal isolator and controlled valve employing same Jul. 4, 2006
6969048 Valve element for supplementary control valve device Nov. 29, 2005
6959727 Siphonable check valve and method of making same Nov. 1, 2005
6899117 Mounting assembly and method May. 31, 2005
6863261 Valve stop Mar. 8, 2005
6763849 Gas valve Jul. 20, 2004
6655658 Plug valve assembly and fluid flow control method with improved low pressure sealing Dec. 2, 2003
6354258 Lightweight valve Mar. 12, 2002
6322051 Elastomeric molded valve stem and spring hat Nov. 27, 2001
6321780 Valve for controlling flow rate of gas Nov. 27, 2001
6290205 Valve element and method of manufacturing the same Sep. 18, 2001
6213448 Valve element and method of manufacturing the same Apr. 10, 2001
6186470 Filling valve Feb. 13, 2001
6152421 Valve body and electromagnetic control valve using the same Nov. 28, 2000
6152159 Valve assembly and method for use in delivery of molten metal Nov. 28, 2000
6098955 Valve arrangement for the delivery of fluids Aug. 8, 2000
6089543 Two-piece slit valve door with molded-in-place seal for a vacuum processing system Jul. 18, 2000
6056270 Valve gasket formed of composite materials and process May. 2, 2000
6013382 Apparatus and method for inhibiting the leaching of lead in water Jan. 11, 2000
5899262 Air duct selector May. 4, 1999
5899435 Molded rubber valve seal for use in predetermined type valves, such as, a check valve in a regenerative desiccant air dryer May. 4, 1999
5855227 Quick-coupling fitting for pipes with an improved seal Jan. 5, 1999
5826856 Tap fitting with bellows-type seal Oct. 27, 1998
5810332 Valve, in particular expansion valve for refrigeration systems, and a method for the manufacture thereof Sep. 22, 1998
5810041 Pressure regulator Sep. 22, 1998

1 2 3










 
 
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