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Class Information
Number: 285/918
Name: Pipe joints or couplings > O-ring
Description: Art collection drawn to O-ring.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7419189 |
Hydraulic fitting |
Sep. 2, 2008 |
| 6811189 |
Corrosion seal for threaded connections |
Nov. 2, 2004 |
| 6810865 |
Exhaust gas recycle (EGR) assembly |
Nov. 2, 2004 |
| 6778792 |
Low pressure air duct seal assembly |
Aug. 17, 2004 |
| 6688653 |
Fitting assembly for fluid and vapor connection |
Feb. 10, 2004 |
| 6540264 |
Quick connector for piping |
Apr. 1, 2003 |
| 6523863 |
Coupling for fluid pipes |
Feb. 25, 2003 |
| 6517118 |
Hose device for fuel transportation |
Feb. 11, 2003 |
| 6447028 |
Joint fitting |
Sep. 10, 2002 |
| 6443502 |
Leakage restriction device for refrigeration cycle |
Sep. 3, 2002 |
| 6419282 |
Compliant zero evaporative fuel connection |
Jul. 16, 2002 |
| 6367850 |
Fitting assembly for fluid and vapor connection |
Apr. 9, 2002 |
| 6286877 |
Dual seal pipe coupling |
Sep. 11, 2001 |
| 6260891 |
Press-fitting for non removable tube coupling |
Jul. 17, 2001 |
| 6260851 |
Composite gasket and assembly comprising such a gasket |
Jul. 17, 2001 |
| 6149206 |
Fluid distribution apparatus and method |
Nov. 21, 2000 |
| 6073976 |
Screwed pipe joint with cutting ring for metal tubes |
Jun. 13, 2000 |
| 6045166 |
High pressure plug/port assembly |
Apr. 4, 2000 |
| 6027144 |
Plug-in connector for pressure medium systems |
Feb. 22, 2000 |
| 6010161 |
Plug connection for pressure systems |
Jan. 4, 2000 |
| 5904382 |
Aseptic seal |
May. 18, 1999 |
| 5845945 |
Tubing interconnection system with different size snap ring grooves |
Dec. 8, 1998 |
| 5797603 |
Sealing ring and a method of mounting it |
Aug. 25, 1998 |
| 5746273 |
Pitless well adapter |
May. 5, 1998 |
| 5683120 |
Releasable push-to-connect tube fitting |
Nov. 4, 1997 |
| 5617879 |
Sealing arrangement for a coolant union having a floating seal assembly |
Apr. 8, 1997 |
| 5599600 |
Nozzle repair shield |
Feb. 4, 1997 |
| 5516122 |
Ultra high vacuum elastomer seal |
May. 14, 1996 |
| 5433183 |
Connection system for connecting a pipe carrying a hot fluid to a plastic member and its use in an internal combustion engine |
Jul. 18, 1995 |
| 5423577 |
Tubing connector |
Jun. 13, 1995 |
| 5314213 |
Pipe coupling |
May. 24, 1994 |
| 5277849 |
Rapid absorption steam humidifying system |
Jan. 11, 1994 |
| 5217236 |
O-ring seal of geared-motor |
Jun. 8, 1993 |
| 5197769 |
Adjustable O-ring port fitting for a hydraulic coupling |
Mar. 30, 1993 |
| 5188495 |
Fastener assembly useful as drain plug |
Feb. 23, 1993 |
| 5161806 |
Spring-loaded, hollow, elliptical ring seal |
Nov. 10, 1992 |
| 5141262 |
Means of lowering the operational temperature for elastomeric seals |
Aug. 25, 1992 |
| 5131694 |
Joint seal between valve body and removable port |
Jul. 21, 1992 |
| 5118141 |
Union joint |
Jun. 2, 1992 |
| 5096231 |
Flexible fluid conduit assembly |
Mar. 17, 1992 |
| 5087085 |
Sealing system for connecting beaded and flat coupling hardware |
Feb. 11, 1992 |
| 5080521 |
"O" ring locking mechanism |
Jan. 14, 1992 |
| 4981311 |
Coupling assembly |
Jan. 1, 1991 |
| 4934715 |
Gasket for use with manhole covers |
Jun. 19, 1990 |
| 4934742 |
Hydraulic coupling |
Jun. 19, 1990 |
| 4921282 |
Undermoderated nuclear reactor |
May. 1, 1990 |
| 4850621 |
Structure having interconnected metal tubes |
Jul. 25, 1989 |
| 4671546 |
Sealing device for securing device extending through fluid container |
Jun. 9, 1987 |
| 4666192 |
Coupling device with hinged retaining catches |
May. 19, 1987 |
| 4657286 |
Tube couplings |
Apr. 14, 1987 |
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