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Class Information
Number: 137/614.05
Name: Fluid handling > Systems > Flow path with serial valves and/or closures > Separable flow path section, valve or closure in each > Valve- or closure-operated by coupling motion
Description: Systems in which actuation of one of the valves, flow controllers or closures is simultaneous with the joining or disconnecting of the flow path sections.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5492147 |
Dry break coupling |
Feb. 20, 1996 |
| 5450875 |
For a refrigerant service line coupling device |
Sep. 19, 1995 |
| 5415200 |
Refrigeration system service adapter |
May. 16, 1995 |
| 5402826 |
Coupling device |
Apr. 4, 1995 |
| 5365973 |
Break-away concentric hose coupling |
Nov. 22, 1994 |
| 5363879 |
Cryogenic coupling |
Nov. 15, 1994 |
| RE34781 |
Coupling adapter |
Nov. 8, 1994 |
| 5353836 |
Dispensing valve |
Oct. 11, 1994 |
| 5339862 |
Refrigeration system service adapter |
Aug. 23, 1994 |
| 5325890 |
Sanitary coupling |
Jul. 5, 1994 |
| 5323812 |
Pressure-locked coupling |
Jun. 28, 1994 |
| 5316033 |
Coupling for connecting hydraulic lines |
May. 31, 1994 |
| 5311899 |
Coupling device |
May. 17, 1994 |
| 5255699 |
Nipple with integral crossbar actuator and check valve |
Oct. 26, 1993 |
| 5253675 |
Apparatus for connecting double vacuum pipes for conducting cryogenic fluid |
Oct. 19, 1993 |
| 5244010 |
Snap and seal coupler for refrigeration systems |
Sep. 14, 1993 |
| H1226 |
Quick disconnect coupling |
Sep. 7, 1993 |
| 5240043 |
Water system |
Aug. 31, 1993 |
| 5150880 |
Valve assembly with flow control |
Sep. 29, 1992 |
| 5139049 |
Refrigeration system service adapter |
Aug. 18, 1992 |
| 5129423 |
No-spill fluid security coupling |
Jul. 14, 1992 |
| 5123447 |
Quick disconnect coupling |
Jun. 23, 1992 |
| 5092364 |
Quick-action fluid coupling |
Mar. 3, 1992 |
| 5090449 |
Coupling security and safety latch system |
Feb. 25, 1992 |
| 5076325 |
Arrangement for connectable male and female parts |
Dec. 31, 1991 |
| 5076324 |
Quick disconnect coupling |
Dec. 31, 1991 |
| 5072755 |
Quick disconnect coupling |
Dec. 17, 1991 |
| 5036876 |
Non-refillable cylinder valve for returnable cylinders |
Aug. 6, 1991 |
| 5014743 |
Double-pipe pipe coupling |
May. 14, 1991 |
| 5004013 |
Dripless coupling device |
Apr. 2, 1991 |
| 4974635 |
Coupler with spring-locked valves |
Dec. 4, 1990 |
| 4971107 |
Quick-acting coupling |
Nov. 20, 1990 |
| 4967795 |
Automatically-operated redundant-type fluid coupling device |
Nov. 6, 1990 |
| 4944329 |
Automatically-operated redundant-type fluid coupling device |
Jul. 31, 1990 |
| 4924909 |
Semi-balanced staggered locking coupling |
May. 15, 1990 |
| 4921013 |
Coupling adapter |
May. 1, 1990 |
| 4854345 |
Valve coupler with decompression |
Aug. 8, 1989 |
| 4794937 |
Plug coupling |
Jan. 3, 1989 |
| 4786029 |
Connect-against-pressure coupling |
Nov. 22, 1988 |
| 4779645 |
Coupling arrangement |
Oct. 25, 1988 |
| 4770207 |
Fluidic system |
Sep. 13, 1988 |
| 4745948 |
Coupling device |
May. 24, 1988 |
| 4742850 |
Female coupling component forming part of a quick coupling |
May. 10, 1988 |
| 4723797 |
Valve couplers designed to facilitate the return of locking balls to the locking position |
Feb. 9, 1988 |
| 4702278 |
Valve couplers designed to allow their connection despite the presence of considerable residual pressure in user lines |
Oct. 27, 1987 |
| 4664149 |
Automatically-operated self-sealing zero-spillage fluid coupling device |
May. 12, 1987 |
| 4664148 |
Quick disconnect coupling with a lockable valve actuator |
May. 12, 1987 |
| 4638975 |
Fluid coupler |
Jan. 27, 1987 |
| 4592387 |
Power-assisted coupling |
Jun. 3, 1986 |
| 4583711 |
Rigid mount coupler with flow check stop |
Apr. 22, 1986 |
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