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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:
1 2 3

Patent Number Title Of Patent Date Issued
8668229 Contamination resistant connecting system and method Mar. 11, 2014
8505633 Weakpoint coupling of selectively adjustable load bearing capacity Aug. 13, 2013
8459699 Coupling system including a safety fastener device Jun. 11, 2013
7967072 Logging head release mechanism Jun. 28, 2011
7954225 Locking pin for coupling components Jun. 7, 2011
7789100 Connection apparatus and method Sep. 7, 2010
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
5018546 Fuel supply detachable coupling May. 28, 1991

1 2 3










 
 
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