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Class Information
Number: 285/10
Name: Pipe joints or couplings > Liquid seal
Description: Devices wherein a liquid seals a joint to prevent escape of the line flow to the exterior of the flow path.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7014219 |
Pipe joint and method of producing a pipe joint |
Mar. 21, 2006 |
| 6971680 |
Dialysis coupler assembly with joint members and hemodialysis system using same |
Dec. 6, 2005 |
| 6722663 |
Seal arrangement |
Apr. 20, 2004 |
| 6721381 |
Seal arrangement for in-core instrument housing |
Apr. 13, 2004 |
| 6439580 |
Sealing element for pipelines |
Aug. 27, 2002 |
| 6286541 |
Mechanical leak-proof coupling |
Sep. 11, 2001 |
| 5969618 |
Failure sensor hose |
Oct. 19, 1999 |
| 5865996 |
Water purifier with collet and tube support |
Feb. 2, 1999 |
| 5301983 |
Pipe component seal assembly |
Apr. 12, 1994 |
| 4923222 |
Casing sealing apparatus |
May. 8, 1990 |
| 4614368 |
Liquid metal pipe joint |
Sep. 30, 1986 |
| 4538834 |
Tubular assembly for transferring fluids |
Sep. 3, 1985 |
| 4452277 |
Automatic, fluid tight coupling |
Jun. 5, 1984 |
| 4240650 |
Leaking weld repair clamp |
Dec. 23, 1980 |
| 4192379 |
Blowout preventer and method of insuring prevention of fluid leaks out of a wellhead |
Mar. 11, 1980 |
| 4171142 |
Leak repair clamp |
Oct. 16, 1979 |
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