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Class Information
Number: 251/329
Name: Valves and valve actuation > Reciprocating valve > Gate > Bodies
Description: Devices relating to the body structure.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8690124 Gate valve Apr. 8, 2014
8672290 Self aligning spherical backseat assembly for a valve Mar. 18, 2014
8657257 Gate valve Feb. 25, 2014
8613424 Disc valve with diversion hole Dec. 24, 2013
8535126 Air flow control mechanism and methods Sep. 17, 2013
8534309 Slide valve Sep. 17, 2013
8365760 Slide valve with temperature barrier Feb. 5, 2013
8327870 Slide valve with slider plate sealing mechanism Dec. 11, 2012
8074962 Dust collection blast gate with mount Dec. 13, 2011
7950625 Shut-off fitting May. 31, 2011
7950410 Gate valve with replaceable inserts and method of refurbishing same May. 31, 2011
7896313 Linear motion-type gate valve Mar. 1, 2011
7886761 Non-interruptible meter change out apparatus Feb. 15, 2011
7578496 Valve arrangement Aug. 25, 2009
7537198 Direct double-acting in-line shut-off gate valve May. 26, 2009
7506660 Gate valve with replaceable inserts and method of refurbishing same Mar. 24, 2009
7481239 Gate valve with replaceable inserts Jan. 27, 2009
7464913 Orifice valve for bulk solids Dec. 16, 2008
7448595 Shut-off fitting Nov. 11, 2008
7445019 Gate valve having service position Nov. 4, 2008
7431264 Knife gate valve Oct. 7, 2008
7422653 Single-sided inflatable vertical slit valve Sep. 9, 2008
7322561 Vacuum processing apparatus Jan. 29, 2008
7255329 Gate valve with offset valve stem Aug. 14, 2007
7231934 Shut-off actuator with gas generation device Jun. 19, 2007
7201361 Gate valve having reduced friction Apr. 10, 2007
7163191 High pressure gate valve Jan. 16, 2007
7134642 Vacuum gate valve Nov. 14, 2006
7066444 Pressure balanced fluid control device Jun. 27, 2006
7044149 Pipe fitting May. 16, 2006
7004452 Valve seal assemblies and methods Feb. 28, 2006
7000899 Shutoff device Feb. 21, 2006
6997135 Valve for a milking apparatus Feb. 14, 2006
6964304 Technique for maintaining pressure integrity in a submersible system Nov. 15, 2005
6942194 Gate valve Sep. 13, 2005
6664572 Valve seal assemblies and methods Dec. 16, 2003
6536740 Disconnected piston for a valve actuator Mar. 25, 2003
6530557 Water sentry drive unit Mar. 11, 2003
6517049 Method and valve for controlling fluid flow, and method of servicing valve Feb. 11, 2003
6470907 Existing pipe cut-off method, existing pipe slitting method, piping structure, and valve insertion method for inserting a valve in a line without stopping passage of water or fluid Oct. 29, 2002
6443426 Slide lock for vacuum valve Sep. 3, 2002
6360771 Tapping sleeve with a mechanical joint adaptor Mar. 26, 2002
6354324 Slide valve with welded internals Mar. 12, 2002
6347919 Wafer processing chamber having separable upper and lower halves Feb. 19, 2002
6325358 Gate valve Dec. 4, 2001
6227234 Tapping sleeve with a mechanical joint adaptor May. 8, 2001
6170521 Shut-off device for conveyor conduits Jan. 9, 2001
6050288 Slide valve with welded internals Apr. 18, 2000
5967168 Method of connecting branch pipe Oct. 19, 1999
5938175 Quick clean orifice gate Aug. 17, 1999

1 2 3 4










 
 
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