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Class Information
Number: 285/2
Name: Pipe joints or couplings > Safety release > With frangible or deformable element
Description: Devices which include a frangible or deformable element; e.g., a shear pin or bolt.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7117892 |
Quick disconnect valve assembly |
Oct. 10, 2006 |
| 6895952 |
Appliance end fitting |
May. 24, 2005 |
| 6843506 |
Safety device |
Jan. 18, 2005 |
| 6835310 |
Device for coupling together a tube and a filter housing |
Dec. 28, 2004 |
| 6736157 |
Blocking device |
May. 18, 2004 |
| 6722701 |
Quick connect coupling having a shielded fuse |
Apr. 20, 2004 |
| 6698714 |
Fluid safety discharge system |
Mar. 2, 2004 |
| 6692034 |
Breakaway device for fueling stations |
Feb. 17, 2004 |
| 6594881 |
Bit torque limiting device |
Jul. 22, 2003 |
| 6497295 |
Torque limiting tool |
Dec. 24, 2002 |
| 6457896 |
Breakaway coupling |
Oct. 1, 2002 |
| 6450541 |
Releasable connector |
Sep. 17, 2002 |
| 6349767 |
Disconnect tool |
Feb. 26, 2002 |
| 6308727 |
Fuel dispensing swivel breakaway assembly |
Oct. 30, 2001 |
| 6257625 |
Flexible joint and long nut for flexible joint |
Jul. 10, 2001 |
| 6179343 |
Infinitely selectable angle pipe fitting |
Jan. 30, 2001 |
| 6161872 |
Breakaway connector for compressed natural gas hoses |
Dec. 19, 2000 |
| 6123123 |
Non-stretch breakaway hose particularly for fuel dispenser |
Sep. 26, 2000 |
| 6102626 |
Caisson wellhead system and method of installing the same |
Aug. 15, 2000 |
| 6070910 |
Push-in closet flange |
Jun. 6, 2000 |
| 5979867 |
Quick connect coupling for portable LP gas cylinders |
Nov. 9, 1999 |
| 5839866 |
Mechanical overload protection device |
Nov. 24, 1998 |
| 5806896 |
Fluid transport pipe joint |
Sep. 15, 1998 |
| 5758902 |
Combination clip for writing board |
Jun. 2, 1998 |
| 5699822 |
Breakaway coupling device |
Dec. 23, 1997 |
| 5683115 |
Weak link for a seismic streamer cable connector module |
Nov. 4, 1997 |
| 5529085 |
Breakaway hose coupling |
Jun. 25, 1996 |
| 5520418 |
Automatic hose uncoupling device |
May. 28, 1996 |
| 5433247 |
Coaxial breakaway coupling with vapor assist check |
Jul. 18, 1995 |
| 5285807 |
Coupling system |
Feb. 15, 1994 |
| 5269565 |
Pipeline breakaway protection mechanism |
Dec. 14, 1993 |
| 5257663 |
Electrically operated safety release joint |
Nov. 2, 1993 |
| 5213137 |
Check valve shear fitting with test port |
May. 25, 1993 |
| 5201814 |
Breakaway coupling device |
Apr. 13, 1993 |
| 5165439 |
Frangible connectors |
Nov. 24, 1992 |
| 5161828 |
Break-away flowline fitting |
Nov. 10, 1992 |
| 5158142 |
Apparatus for releasing a pipe string from an object stuck downhole by continuously applying tension to said apparatus |
Oct. 27, 1992 |
| 5145213 |
Frangible fitting assembly |
Sep. 8, 1992 |
| 5141014 |
Breakaway coupling |
Aug. 25, 1992 |
| 5135264 |
Flow coupling with frangible pressure sensitive holding member to allow venting |
Aug. 4, 1992 |
| 5054509 |
Breakaway coupling, conduit system utilizing the coupling and methods of making the same |
Oct. 8, 1991 |
| 5050911 |
Breakaway coupling |
Sep. 24, 1991 |
| 5044808 |
Steering rod for motor vehicles |
Sep. 3, 1991 |
| 5018770 |
Fire sprinkler apparatus |
May. 28, 1991 |
| 5018546 |
Fuel supply detachable coupling |
May. 28, 1991 |
| 5014732 |
Fluid-joint breakaway swivel coupling |
May. 14, 1991 |
| 5000487 |
Frangible V-band coupling |
Mar. 19, 1991 |
| 4978147 |
Elastomeric lockdown and shearout device |
Dec. 18, 1990 |
| 4971365 |
Hydraulic safety joint |
Nov. 20, 1990 |
| 4971096 |
Wing fold frangible valve |
Nov. 20, 1990 |
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