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Class Information
Number: 137/15.23
Name: Fluid handling > Processes > Cleaning, repairing, or assembling > Valve or valve element assembling, disassembling, or replacing > Gate valve

Patents under this class:

Patent Number Title Of Patent Date Issued
8702681 Catheter valve and methods of using same Apr. 22, 2014
8327866 Gate valve seat Dec. 11, 2012
7628381 Method for replacing seals in recreational vehicles gate valves without removing valve housing from plumbing Dec. 8, 2009
7040337 Valve override system May. 9, 2006
7033460 Coke drum bottom throttling valve and system Apr. 25, 2006
6942194 Gate valve Sep. 13, 2005
6843889 Coke drum bottom throttling valve and system Jan. 18, 2005
6688321 Method and apparatus for a flow regulator having an integral hinge Feb. 10, 2004
6564818 Methods of implementing a single shaft, dual cradle vacuum slot valve May. 20, 2003
6041804 Subsea valve actuator and method Mar. 28, 2000
5878769 Maintenance method and maintenance kit for a gate valve Mar. 9, 1999
5836336 Cut-off diaphragm gate valve Nov. 17, 1998
5732728 Valve insertion method and assembly for inserting a valve in a line Mar. 31, 1998
5524663 Vacuum tube shut-off for power tools Jun. 11, 1996
5381815 Method for isolating a relief valve Jan. 17, 1995
5279320 Gate valve Jan. 18, 1994
5074526 In-line fluid flow control valve with apparatus for and method of installation in an existing fluid conduit Dec. 24, 1991
5030039 Apparatus and method for installing a thermometer-receiving well within a fluid service pipe Jul. 9, 1991

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