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Class Information
Number: 137/614.02
Name: Fluid handling > Systems > Flow path with serial valves and/or closures > Separable flow path section, valve or closure in each > Each valve and/or closure operated by coupling motion
Description: Systems in which actuation of each of the valves, flow controllers, or closures is simultaneous with the joining or disconnecting of the flow path sections.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7389794 |
Quick coupling having pressure relief device for multiple pressurized lines |
Jun. 24, 2008 |
| 7293584 |
Faucet spout and diverter valve |
Nov. 13, 2007 |
| 7152626 |
Diverter valve |
Dec. 26, 2006 |
| 7121592 |
Fluid quick connect with adjustable flow control valve |
Oct. 17, 2006 |
| 7070164 |
Coupling member of a pipe coupling |
Jul. 4, 2006 |
| 6830070 |
Fluid coupler automatically uncouplable in an emergency |
Dec. 14, 2004 |
| 6814340 |
Quick-action coupling of a flat design |
Nov. 9, 2004 |
| 6269836 |
Breakaway anti pollution safety valve in a fluid duct |
Aug. 7, 2001 |
| 6170522 |
Self-seal type double-pipe joint |
Jan. 9, 2001 |
| 6158717 |
Quick-action fluid coupling |
Dec. 12, 2000 |
| 6148858 |
Pressure balanced couplings |
Nov. 21, 2000 |
| 6116277 |
Farm coupling |
Sep. 12, 2000 |
| 6079445 |
Quick universal joint of auto-separating two-way check valve |
Jun. 27, 2000 |
| 5937885 |
Fluid fitting coupling system |
Aug. 17, 1999 |
| 5873386 |
Quick-release coupling |
Feb. 23, 1999 |
| 5787927 |
Coupling assembly |
Aug. 4, 1998 |
| 5641011 |
System for transporting and dispensing granular materials |
Jun. 24, 1997 |
| 5447177 |
Separating device for conduits |
Sep. 5, 1995 |
| 5351708 |
Automatic fluid sealing mechanism for a conduit with a frangible connector |
Oct. 4, 1994 |
| 5305776 |
Emergency shut-off device |
Apr. 26, 1994 |
| 5248125 |
Refrigerant service system with self-sealing coupling |
Sep. 28, 1993 |
| 5224527 |
Closed granular chemical handling system |
Jul. 6, 1993 |
| 5186202 |
Trigger means for self-closing breakaway valve assemblies |
Feb. 16, 1993 |
| 5168897 |
Quick and dry coupling |
Dec. 8, 1992 |
| 5144979 |
Tube coupler and a valve for a tube coupler |
Sep. 8, 1992 |
| 5123446 |
Dual seal coupling |
Jun. 23, 1992 |
| 5092363 |
Quick and dry coupling |
Mar. 3, 1992 |
| 5083588 |
Device, incorporating rotating valves, for coupling pipes |
Jan. 28, 1992 |
| 5005375 |
Refrigeration equipment service apparatus with quick-disconnect couplings |
Apr. 9, 1991 |
| 4995417 |
One-piece tire valve adaptor |
Feb. 26, 1991 |
| 4986304 |
Quick and dry coupling |
Jan. 22, 1991 |
| 4846281 |
Dual flapper valve assembly |
Jul. 11, 1989 |
| 4648581 |
Coupling head for pressure medium lines of pressure medium brake units in vehicles |
Mar. 10, 1987 |
| 4643216 |
Frangible ball valve connector |
Feb. 17, 1987 |
| 4602658 |
Chemical agent and waterproof connector for liquid conditions suit interface |
Jul. 29, 1986 |
| 4576199 |
Slide valve and coupling unit |
Mar. 18, 1986 |
| 4476892 |
Dual purpose refrigerant connector |
Oct. 16, 1984 |
| 4453566 |
Hydraulic subsea control system with disconnect |
Jun. 12, 1984 |
| 4442974 |
Land irrigation system and method |
Apr. 17, 1984 |
| 4394874 |
Valve construction for quick-closure coupling |
Jul. 26, 1983 |
| 4392513 |
Quick disconnect safety coupling |
Jul. 12, 1983 |
| 4376445 |
Self-closing breakaway valve assembly including improved valve mounting with rotation limiting stop |
Mar. 15, 1983 |
| 4361165 |
Breakaway pipe coupling with automatically closed valves |
Nov. 30, 1982 |
| 4354522 |
Flexible connecting system for pipes with automatic safety release in case of tensile stress |
Oct. 19, 1982 |
| 4313594 |
Valve assembly and method |
Feb. 2, 1982 |
| 4301823 |
Self-closing breakaway valve assembly including improved valve mounting with rotation limiting stop |
Nov. 24, 1981 |
| 4232697 |
Frangible connectors with independently selectable bending and tension separation loads |
Nov. 11, 1980 |
| 4182370 |
Air conditioning charging apparatus coupling |
Jan. 8, 1980 |
| 4181149 |
Quick disconnect rotary valve coupling |
Jan. 1, 1980 |
| 4111342 |
Breathing apparatus |
Sep. 5, 1978 |
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