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Class Information
Number: 285/111
Name: Pipe joints or couplings > With fluid pressure seal > Flexible lip > C-shaped section
Description: Devices in which the sealing means is C-section in shape, e.g., the gasket has a middle or cylindrical web portion with a sealing lip at each end at right angles to the web.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7597360 |
Fluid coolant union |
Oct. 6, 2009 |
| 7396053 |
Pipe coupling comprising a divided sleeve |
Jul. 8, 2008 |
| 7309035 |
Irrigation system joint |
Dec. 18, 2007 |
| 7303194 |
Seal retainer with pressure energized metal seal members for undersea hydraulic coupling |
Dec. 4, 2007 |
| 7243955 |
Universal pipe connectors and sealing element therefor |
Jul. 17, 2007 |
| 7229102 |
Fluid coolant union |
Jun. 12, 2007 |
| 7118139 |
Flanged coupling device with a static ball-and-socket joint |
Oct. 10, 2006 |
| 7073796 |
Metal packing |
Jul. 11, 2006 |
| 7032905 |
Leak resistant seal |
Apr. 25, 2006 |
| 7021677 |
Seal retainer with metal seal members for undersea hydraulic coupling |
Apr. 4, 2006 |
| 6843516 |
Coupler for low pressure piping system |
Jan. 18, 2005 |
| 6758500 |
Flared ends conduit coupling |
Jul. 6, 2004 |
| 6533327 |
Quick-fitting coupling |
Mar. 18, 2003 |
| 6237965 |
Leak-free flexible conduit |
May. 29, 2001 |
| 6202691 |
Undersea hydraulic coupling with bleed port |
Mar. 20, 2001 |
| 6179339 |
Seal rings for low loss flexible coupling of gas conduits |
Jan. 30, 2001 |
| 6179002 |
Hydraulic coupling with pressure-energized dovetail seal |
Jan. 30, 2001 |
| 6145889 |
Rotary joint |
Nov. 14, 2000 |
| 6007106 |
Hydraulic coupling |
Dec. 28, 1999 |
| 5988690 |
Device for connecting tube to endpiece |
Nov. 23, 1999 |
| 5983934 |
Undersea hydraulic coupling with three retained seals |
Nov. 16, 1999 |
| 5975589 |
Hydraulic coupling |
Nov. 2, 1999 |
| 5941576 |
Connector and coupling means |
Aug. 24, 1999 |
| 5863078 |
Pipe coupling |
Jan. 26, 1999 |
| 5860680 |
Sealing system--anti collapse device |
Jan. 19, 1999 |
| 5720503 |
Sealing sytem--anti collapse device |
Feb. 24, 1998 |
| 5639102 |
Seal arrangement for sealing a conduit |
Jun. 17, 1997 |
| 5556139 |
Hydraulic coupling |
Sep. 17, 1996 |
| 5509698 |
Axially extendible conduit |
Apr. 23, 1996 |
| 5505498 |
Flexible pressure-energized joint |
Apr. 9, 1996 |
| 5411298 |
High pressure seal arrangement |
May. 2, 1995 |
| 5390702 |
Undersea hydraulic coupling with pre-sealing guidance |
Feb. 21, 1995 |
| 5374086 |
Ball joint seal for vehicle exhaust system |
Dec. 20, 1994 |
| 5355909 |
Undersea hydraulic coupling with metal seals |
Oct. 18, 1994 |
| 5284183 |
Hydraulic coupler with radial metal seal |
Feb. 8, 1994 |
| 5232021 |
Probe member for undersea hydraulic coupling |
Aug. 3, 1993 |
| 5232252 |
Adaptive connector assembly |
Aug. 3, 1993 |
| 5213339 |
Pipe joint gasket |
May. 25, 1993 |
| 5209526 |
Rotary joint assembly |
May. 11, 1993 |
| 5201835 |
Wellhead seal with protective rib |
Apr. 13, 1993 |
| 5131697 |
Pipe and coupling system |
Jul. 21, 1992 |
| 5098132 |
Length compensating joint |
Mar. 24, 1992 |
| 5076594 |
Sealing connection between tubular members |
Dec. 31, 1991 |
| 5052723 |
Locking accommodating sealing port |
Oct. 1, 1991 |
| 4991858 |
Connector seal |
Feb. 12, 1991 |
| 4951975 |
Coupling for conduits |
Aug. 28, 1990 |
| 4884584 |
Internally preloaded metal-to-metal seal hydraulic connector |
Dec. 5, 1989 |
| 4877272 |
Metal static seal and assembly comprising such a seal |
Oct. 31, 1989 |
| 4854615 |
Metal sealed joint for large diameter rocket motor casings |
Aug. 8, 1989 |
| 4834139 |
Radial seal hydraulic coupler |
May. 30, 1989 |
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