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Class Information
Number: 277/584
Name: Seal for a joint or juncture > Seal between relatively movable parts (i.e., dynamic seal) > Circumferential contact seal for other than piston > Extrusion preventing (i.e., antiextrusion) structure
Description: Dynamic, circumferential contact seal including means deterring the seal from being squeezed out of its seated position or otherwise dislocated.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8474829 Sealing device Jul. 2, 2013
8444185 Flexible extrusion resistant ring seal assembly May. 21, 2013
8312805 High pressure pump piston Nov. 20, 2012
8262091 Scarf cut backup rings Sep. 11, 2012
8215646 Seal assembly Jul. 10, 2012
8016295 Helical backup element Sep. 13, 2011
7900934 Carbon dioxide gas sealing enclosed device Mar. 8, 2011
7900935 Sealing device Mar. 8, 2011
7896354 Composite sealing material Mar. 1, 2011
7866669 Composite sealing material Jan. 11, 2011
7793944 Sealing device Sep. 14, 2010
7651100 Seal assembly for limiting movement of a seal within a seal housing Jan. 26, 2010
7648144 Sealing device Jan. 19, 2010
7604243 Composite seals, seal structures and related methods Oct. 20, 2009
7516963 Sealing arrangement with supporting ring, and supporting ring Apr. 14, 2009
7491044 Sealing device of fluid machinery Feb. 17, 2009
7377482 Composite toroidal gasket ring for ball valves May. 27, 2008
7341258 Cammed seal assembly with sealing ring having an angled leg portion and foot portion with elastomeric energizer element Mar. 11, 2008
7240904 Secondary sealing element Jul. 10, 2007
7140616 Sealing device Nov. 28, 2006
7025357 Shaft seal having lip supports Apr. 11, 2006
6957605 High pressure pump piston Oct. 25, 2005
6863278 Rubber and wire mesh ring Mar. 8, 2005
6840520 Valve plug seal assembly Jan. 11, 2005
6805360 Regulator with segmented body Oct. 19, 2004
6769695 Back-up rings for high pressure seals, packing assembly, and pumps incorporating same Aug. 3, 2004
6758478 Elastomeric seal anti-extrusion wedge backup ring and flange Jul. 6, 2004
6726220 Dual seal assembly Apr. 27, 2004
6712362 Primary seals for master-slave cylinder systems Mar. 30, 2004
6663112 Sealing device Dec. 16, 2003
6648337 Backup ring with controlled spacing Nov. 18, 2003
6626438 Seal assembly for telescopic hydraulic cylinder Sep. 30, 2003
6502826 Hydraulic cylinder piston seal Jan. 7, 2003
6497416 Wire inserted non-extrusion ring Dec. 24, 2002
6386548 Dual seal assembly May. 14, 2002
6382634 Hydrodynamic seal with improved extrusion abrasion and twist resistance May. 7, 2002
6367812 Radial shaft-sealing ring and process for manufacturing the same Apr. 9, 2002
6305695 Gaskets Oct. 23, 2001
6302405 Anti-extrusion seal Oct. 16, 2001
6267383 V-shaped seal with anti-extrusion section Jul. 31, 2001
6176343 Vehicle steering apparatus Jan. 23, 2001
6173968 Sealing ring assembly Jan. 16, 2001
6173964 Seal assembly with backup elements having coil springs positioned therein Jan. 16, 2001
6173965 Actuator seal bearing assembly and method Jan. 16, 2001
6162031 Seal seat for high pressure pumps and vessels Dec. 19, 2000
6129358 Unidirectional rod sealing ring for a hydraulic cylinder Oct. 10, 2000
6123337 Composite earth boring bit seal Sep. 26, 2000
6116610 Spring energized plastic seals Sep. 12, 2000
6113108 Buffer seal Sep. 5, 2000
6098987 Machinery seal Aug. 8, 2000

1 2 3 4










 
 
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