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Class Information
Number: 251/151
Name: Valves and valve actuation > With correlated flow path > Pipe coupling or union > Non-rotatable conduit coupling
Description: Subject matter wherein the pipe coupling may be assembled with the conduits without rotation of said conduits.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6484749 |
Fire-resistant flange spacer |
Nov. 26, 2002 |
| 6416036 |
Sealing arrangement between flow regulator and shut-off valve attached to oxygen cylinder |
Jul. 9, 2002 |
| 6408885 |
Staked dual valve assembly |
Jun. 25, 2002 |
| 6390127 |
Selection valve with ferrule cluster |
May. 21, 2002 |
| 6390447 |
Valved conduit and method of making a valved conduit |
May. 21, 2002 |
| 6267143 |
Selection valve with ferrule cluster |
Jul. 31, 2001 |
| 6202981 |
Fluid control assembly with flange spacer |
Mar. 20, 2001 |
| 6199589 |
Staked dual valve assembly |
Mar. 13, 2001 |
| 6187148 |
Downcomer valve for non-recovery coke oven |
Feb. 13, 2001 |
| 6105603 |
Clamping structure for an irrigation hydrant valve housing |
Aug. 22, 2000 |
| 5887612 |
Hydraulic pump apparatus |
Mar. 30, 1999 |
| 5845687 |
Valve systems, particularly for use with agricultural equipment |
Dec. 8, 1998 |
| 5752426 |
Pilot pressure operated directional control valve and an operating cylinder control apparatus |
May. 19, 1998 |
| 5746242 |
Gas relief valve protector |
May. 5, 1998 |
| 5711485 |
Pneumatic trigger valve for spray gun |
Jan. 27, 1998 |
| 5687758 |
Gas leak sensor shutoff valve and method for installation |
Nov. 18, 1997 |
| 5494068 |
Gas leak sensor shutoff valve and method for installation |
Feb. 27, 1996 |
| 5467611 |
Two plate TXV block connector for automotive A/C system with common bolts and independently attachable sides |
Nov. 21, 1995 |
| 5275203 |
Pressure regulator with plastic vacuum fitting |
Jan. 4, 1994 |
| 5163472 |
Fuel pressure control valve |
Nov. 17, 1992 |
| 5063976 |
Attachment of gas charger for gas container |
Nov. 12, 1991 |
| 5039063 |
Smooth bore slide valve |
Aug. 13, 1991 |
| 4800925 |
Automobile coolant flow control |
Jan. 31, 1989 |
| 4711426 |
Flanged valve connectors |
Dec. 8, 1987 |
| 4697787 |
Ball valve made entirely of plastics material |
Oct. 6, 1987 |
| 4684105 |
Ball valve |
Aug. 4, 1987 |
| 4676479 |
Flanged valve |
Jun. 30, 1987 |
| 4672728 |
Pressure signal instrumentation having removable flanges and mounting method therefor |
Jun. 16, 1987 |
| 4669499 |
Valve casing for use in a butterfly valve |
Jun. 2, 1987 |
| 4561459 |
Remote fire hydrant actuator |
Dec. 31, 1985 |
| 4471799 |
Line removable ball valve |
Sep. 18, 1984 |
| 4437486 |
Line removable valve structure with pipeline support means |
Mar. 20, 1984 |
| 4372529 |
Plastic valve having a cap nut coupler |
Feb. 8, 1983 |
| 4274436 |
Wafer-type swing check valve construction |
Jun. 23, 1981 |
| 4194721 |
Plumbing test fitting |
Mar. 25, 1980 |
| 4103866 |
Butterfly valve |
Aug. 1, 1978 |
| 3982727 |
Flangeless valve |
Sep. 28, 1976 |
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