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Your search returned 49 patents.
( 137/15.22 in Current US Classification )
1
Patent IDTitleDate Filed
7234682 Ball valve and method for production thereof April 20, 2005
7210494 Valve and method for producing a valve December 17, 2004
7195229 Automatic sampler January 27, 2003
6981512 Tubular flow conduit with in-line integrated check valve and method of making same August 19, 2003
6916011 Ball valve and production method therefor July 30, 2002
6832623 Gas meter valve and method September 5, 2003
6681793 Top-entry ball valve assembly having camming surfaces April 12, 2002
6648001 Valve with seat assembly November 27, 2001
6640826 Systems and methods for servicing ball valves October 17, 2001
6460559 Valve having ceramic components and associated fabrication method February 1, 2001
6382230 Ball valve June 26, 2000
6378550 Ball valve extractor October 12, 2000
6325357 Three-way valve structure May 26, 2000
6302132 Valve assembly including gearbox April 27, 2000
6206023 Ball valve including seat retainer securing means and method for forming the same April 27, 2000
6041806 Method and ball valve assembly for inserting a valve in a line December 18, 1998
5975104 Ball valve seal replacement apparatus and method April 16, 1998
5941266 Angle entry rotary valve August 6, 1997
5595206 Ball valve having one-piece machined seat member May 23, 1995
5562116 Angle entry rotary valve February 6, 1995
5411048 Fluid control valve with latching handle assembly September 19, 1994
5381816 Pressure regulator October 29, 1993
5313976 Top entry ball valve and method of assembly July 26, 1993
5311897 Rotary control valve with offset variable area orifice and bypass September 18, 1992
5286129 Coupling device and methods of coupling August 7, 1991
5275191 Ball valve April 20, 1993
5213126 Pressure control valve and method of manufacturing same May 5, 1992
5169124 Method for assembling a plastic ball valve May 6, 1992
5139229 Ball valve and method of assembly November 18, 1991
5139041 Stop and lock plate for use with valve January 27, 1992
5135019 Ball valve May 13, 1991
5069240 Flexible seating structure for rotary valves December 12, 1990
5067691 Ball cock November 30, 1990
4986298 Vacuum regulator with antibinding valve stem connector assembly and method December 4, 1989
4968004 Shutoff and control valve August 29, 1989
4964432 Method and means for mounting valve member on valve stem March 19, 1990
4960262 Ball valve and methods of fabrication July 18, 1989
4800912 Electromagnetically operable valve and method for producing such a valve April 15, 1985
4741352 Adhesive for high temperature thread locking in hydraulic system October 9, 1986
4718445 Position indicator for a rotary valve actuator October 16, 1986
4718444 Valve seat retraction method and apparatus December 4, 1986
4665937 Ball valve and method for assembling same November 14, 1985
4630629 Valve with compressible valve stem and valve body seals March 7, 1986
4606368 Ball valve for pipeline July 20, 1984
4566489 Quick disconnect coupling apparatus March 6, 1984
4441519 Gas lift valve and method of presetting February 8, 1982
4325403 Single-control mixing cock with plates made of hard material April 30, 1980
4175577 Means and method for in-line removal of seat rings in ball valves May 3, 1978
4151855 Ball valve assembly tools and method of using same June 2, 1977
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