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Class Information
Number: 137/15.22
Name: Fluid handling > Processes > Cleaning, repairing, or assembling > Valve or valve element assembling, disassembling, or replacing > Ball valve or rotary ball valve
Description:










Patents under this class:
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Patent Number Title Of Patent Date Issued
8281798 Ball valve seal assembly and ball valve comprising same Oct. 9, 2012
8251088 Variable orifice for particulate coal conduit Aug. 28, 2012
8201574 Bi-directional sealing ball valve Jun. 19, 2012
8186371 Method of assembling a ball valve May. 29, 2012
8166994 Ball for valves and production method May. 1, 2012
8156801 Flow metering device Apr. 17, 2012
7836909 Rotatable wedge valve mechanism and method for manufacture Nov. 23, 2010
7793679 Drain valve Sep. 14, 2010
7712639 Plastic outlet valve for transport and storage containers for liquids May. 11, 2010
7704221 Heater cooler valve Apr. 27, 2010
7670126 Valve for controlling air flow in a molded article holder Mar. 2, 2010
7559912 High pressure range hydrocephalus valve system Jul. 14, 2009
7506665 Ball valve with interlocking stem Mar. 24, 2009
7500968 Unidirectional urine collection reservoir Mar. 10, 2009
7484523 Rotatable wedge cartridge valve mechanism and method for assembly and disassembly Feb. 3, 2009
7357145 High-pressure, hemi-wedge cartridge valve Apr. 15, 2008
7350536 Vacuumized receptacle for sample collection Apr. 1, 2008
7350534 Hollow ball valve assembly Apr. 1, 2008
7337797 Ball valve and method of manufacture Mar. 4, 2008
7306010 Ball valve with snap-in stem Dec. 11, 2007
7234682 Ball valve and method for production thereof Jun. 26, 2007
7210494 Valve and method for producing a valve May. 1, 2007
7195229 Automatic sampler Mar. 27, 2007
6981512 Tubular flow conduit with in-line integrated check valve and method of making same Jan. 3, 2006
6916011 Ball valve and production method therefor Jul. 12, 2005
6832623 Gas meter valve and method Dec. 21, 2004
6681793 Top-entry ball valve assembly having camming surfaces Jan. 27, 2004
6648001 Valve with seat assembly Nov. 18, 2003
6640826 Systems and methods for servicing ball valves Nov. 4, 2003
6460559 Valve having ceramic components and associated fabrication method Oct. 8, 2002
6382230 Ball valve May. 7, 2002
6378550 Ball valve extractor Apr. 30, 2002
6325357 Three-way valve structure Dec. 4, 2001
6302132 Valve assembly including gearbox Oct. 16, 2001
6206023 Ball valve including seat retainer securing means and method for forming the same Mar. 27, 2001
6041806 Method and ball valve assembly for inserting a valve in a line Mar. 28, 2000
5975104 Ball valve seal replacement apparatus and method Nov. 2, 1999
5941266 Angle entry rotary valve Aug. 24, 1999
5595206 Ball valve having one-piece machined seat member Jan. 21, 1997
5562116 Angle entry rotary valve Oct. 8, 1996
5411048 Fluid control valve with latching handle assembly May. 2, 1995
5381816 Pressure regulator Jan. 17, 1995
5313976 Top entry ball valve and method of assembly May. 24, 1994
5311897 Rotary control valve with offset variable area orifice and bypass May. 17, 1994
5286129 Coupling device and methods of coupling Feb. 15, 1994
5275191 Ball valve Jan. 4, 1994
5213126 Pressure control valve and method of manufacturing same May. 25, 1993
5169124 Method for assembling a plastic ball valve Dec. 8, 1992
5139041 Stop and lock plate for use with valve Aug. 18, 1992
5139229 Ball valve and method of assembly Aug. 18, 1992

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