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Class Information
Number: 285/910
Name: Pipe joints or couplings > Gaskets
Description: Art collection drawn to gaskets.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4943070 |
Sealing system for diaphragm type vulcanizing process |
Jul. 24, 1990 |
| 4928998 |
Flexible exhaust coupling |
May. 29, 1990 |
| 4911482 |
Ball joint |
Mar. 27, 1990 |
| 4911480 |
Torque nut for setting a graphite seal |
Mar. 27, 1990 |
| 4909520 |
Seal |
Mar. 20, 1990 |
| 4893847 |
Bearing seal for universal ball joint |
Jan. 16, 1990 |
| 4884723 |
Hard gasket for retrofit installation on hopper outlet/hopper gasket outlet |
Dec. 5, 1989 |
| 4872712 |
Flange connection |
Oct. 10, 1989 |
| 4871181 |
Reinforced squeak free seal for exhaust couplings |
Oct. 3, 1989 |
| 4871014 |
Shell and tube heat exchanger |
Oct. 3, 1989 |
| 4869535 |
Submerged actuator |
Sep. 26, 1989 |
| 4856828 |
Coupling assembly for tubular articles |
Aug. 15, 1989 |
| 4832555 |
Gasket holding and feeding magazine |
May. 23, 1989 |
| 4828293 |
Wellhead slip and seal assembly |
May. 9, 1989 |
| 4823868 |
Intercooler and method of assembling the same |
Apr. 25, 1989 |
| 4802698 |
Joint means having flanges |
Feb. 7, 1989 |
| 4796922 |
Subsea multiway hydraulic connector |
Jan. 10, 1989 |
| 4795166 |
Sealing gasket |
Jan. 3, 1989 |
| 4784411 |
Seal assembly, especially for a flange seal |
Nov. 15, 1988 |
| 4779904 |
Couplings for connecting vehicle exhaust tail pipes to exhaust conduits for removing vehicle exhaust gases |
Oct. 25, 1988 |
| 4768684 |
Gasket for hopper outlet |
Sep. 6, 1988 |
| 4762330 |
Sealing ring |
Aug. 9, 1988 |
| 4758028 |
Firewall seal |
Jul. 19, 1988 |
| 4756561 |
Sealing gasket |
Jul. 12, 1988 |
| 4741560 |
Seal assembly for connecting two pipe sections |
May. 3, 1988 |
| 4735445 |
Flange connection |
Apr. 5, 1988 |
| 4717180 |
Watertight joint for rigid piping, in particular for the articulation of a washing brush fed with water |
Jan. 5, 1988 |
| 4711474 |
Pipe joint seal rings |
Dec. 8, 1987 |
| 4702500 |
Fire resistant seal |
Oct. 27, 1987 |
| 4691769 |
Compression sealing of tubes within shell and tube heat exchanger |
Sep. 8, 1987 |
| 4690438 |
Flange connection |
Sep. 1, 1987 |
| 4676563 |
Apparatus for coupling multi-conduit drill pipes |
Jun. 30, 1987 |
| 4664421 |
Forgiving profile pipe gasket |
May. 12, 1987 |
| 4664428 |
Sealing assembly for pipe joint |
May. 12, 1987 |
| 4662663 |
Tubular member for underwater connection having volume |
May. 5, 1987 |
| 4660863 |
Casing patch seal |
Apr. 28, 1987 |
| 4659091 |
Sealing ring for sealing an articulated connection |
Apr. 21, 1987 |
| 4658326 |
Hose coupling |
Apr. 14, 1987 |
| 4655485 |
Seals for use in oil and gas well production tubing |
Apr. 7, 1987 |
| 4650227 |
Fluid coupling |
Mar. 17, 1987 |
| 4648632 |
High pressure flow line connection |
Mar. 10, 1987 |
| 4643461 |
Fire resistant seal |
Feb. 17, 1987 |
| 4641858 |
Gasket incorporating implants for interfitting pipes |
Feb. 10, 1987 |
| 4630850 |
Pipe joint |
Dec. 23, 1986 |
| 4616855 |
Threadless nonrotating steel coupling system |
Oct. 14, 1986 |
| 4616857 |
Bi-directional self-retaining cylindrical surface seal |
Oct. 14, 1986 |
| 4614371 |
Ring |
Sep. 30, 1986 |
| 4613171 |
Junction coupling with unitary locking gasket and methods for their use |
Sep. 23, 1986 |
| 4603893 |
Pipe coupling joint |
Aug. 5, 1986 |
| 4601476 |
Squeak free seal for exhaust couplings |
Jul. 22, 1986 |
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