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Class Information
Number: 285/900
Name: Pipe joints or couplings > Balanced pressure
Description: Art collection drawn to balanced pressure.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6609731 |
Connector |
Aug. 26, 2003 |
| 6588804 |
Method and apparatus for monitoring pipeline expansion joint conditions |
Jul. 8, 2003 |
| 6554324 |
Apparatus and method for connecting tubular members |
Apr. 29, 2003 |
| 6454309 |
Connector adapter, especially for quick test connectors |
Sep. 24, 2002 |
| 6450546 |
High pressure product swivel |
Sep. 17, 2002 |
| 6425443 |
Pressure compensated disconnect system and method |
Jul. 30, 2002 |
| 6412828 |
Quick safety connection for removably joining pipes |
Jul. 2, 2002 |
| 6412823 |
Rotating connector with compensating unit |
Jul. 2, 2002 |
| 6382682 |
Extendable pipe joint |
May. 7, 2002 |
| 6145890 |
Device for supplying a pressurized medium |
Nov. 14, 2000 |
| 6123103 |
Pressure balanced coupling with split body |
Sep. 26, 2000 |
| 6007105 |
Swivel seal assembly |
Dec. 28, 1999 |
| 5992893 |
Connector |
Nov. 30, 1999 |
| 5702130 |
Fluid flow connector |
Dec. 30, 1997 |
| 5697651 |
Flexible duct joint having a low leakage, pressure-balanced bellows seal |
Dec. 16, 1997 |
| 5582432 |
Device for transferring a medium |
Dec. 10, 1996 |
| 5203374 |
Pressure balanced hydraulic coupling with metal seals |
Apr. 20, 1993 |
| 5133578 |
Flexible joint with non-diffusive barrier |
Jul. 28, 1992 |
| 5123447 |
Quick disconnect coupling |
Jun. 23, 1992 |
| 5099882 |
Pressure balanced hydraulic coupling with metal seals |
Mar. 31, 1992 |
| 5069488 |
Method and a device for movement-compensation in riser pipes |
Dec. 3, 1991 |
| 5052720 |
Swivel joint for high pressure fluid |
Oct. 1, 1991 |
| 5011195 |
Constant volume connector |
Apr. 30, 1991 |
| 4971367 |
Air controlled rotary joint compensator |
Nov. 20, 1990 |
| 4911483 |
Resilient ball joint support |
Mar. 27, 1990 |
| 4903941 |
Pressure equalizing rotary joint |
Feb. 27, 1990 |
| 4884830 |
Quick connect coupling device |
Dec. 5, 1989 |
| 4880257 |
Pressure compensation multi tubular safety joint |
Nov. 14, 1989 |
| 4856827 |
Resilient ball joint support |
Aug. 15, 1989 |
| 4846509 |
Flexible joint means |
Jul. 11, 1989 |
| 4827977 |
Breakaway hose coupling |
May. 9, 1989 |
| 4826214 |
Pipeline safety joint |
May. 2, 1989 |
| 4758026 |
Rotary joint with balanced seals |
Jul. 19, 1988 |
| 4754780 |
Pressure balanced hydraulic coupling |
Jul. 5, 1988 |
| 4691941 |
Tension actuated uncoupler |
Sep. 8, 1987 |
| 4688827 |
Pipeline safety joint |
Aug. 25, 1987 |
| 4682795 |
Tension actuated uncoupler |
Jul. 28, 1987 |
| 4669758 |
High pressure, multiple passage swivel |
Jun. 2, 1987 |
| 4615542 |
Telescopic riser joint |
Oct. 7, 1986 |
| 4613159 |
Pressure-assisted dynamic seal apparatus |
Sep. 23, 1986 |
| 4561679 |
Seal pressure reduction system |
Dec. 31, 1985 |
| 4549753 |
Rotary joint |
Oct. 29, 1985 |
| 4519636 |
Seal for an underwater connector |
May. 28, 1985 |
| 4515399 |
Symmetrically loaded flexible connector having multiple passageways |
May. 7, 1985 |
| 4501287 |
Breakaway coupling |
Feb. 26, 1985 |
| 4491348 |
Vibration attenuating coupling |
Jan. 1, 1985 |
| 4487436 |
Cardan-type pipe joint with compensation for longitudinal expansion |
Dec. 11, 1984 |
| 4482171 |
Pipe stress/strain neutralizers |
Nov. 13, 1984 |
| 4475750 |
Pipe stress/strain neutralizer with hydraulically balanced spherical element |
Oct. 9, 1984 |
| 4437688 |
Riser pipe joint |
Mar. 20, 1984 |
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