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Class Information
Number: 137/68.15
Name: Fluid handling > Destructible or deformable element controlled > Destructible element > Separable valve coupling or conduit > Tensile or sheer pin or bolt
Description: Subject matter where the destructible element is a pin or bolt that holds the coupling together and destructs when a perpendicular or axial excessive force is applied to the coupling.










Patents under this class:

Patent Number Title Of Patent Date Issued
8684101 Frangible shape memory alloy fire sprinkler valve actuator Apr. 1, 2014
8578957 Single seal breakaway connector Nov. 12, 2013
7849926 Safety joint Dec. 14, 2010
7789100 Connection apparatus and method Sep. 7, 2010
7575023 Disposable breakaway nozzle connector Aug. 18, 2009
7401562 Emergency shutoff system and method Jul. 22, 2008
7047997 Fuel tank vent valve May. 23, 2006
7036441 Safety system for mobile anhydrous ammonia fertilizer system May. 2, 2006
6913046 Fuel dispenser shear valve assembly Jul. 5, 2005
6401745 Fire hydrant automatic shut-off valve Jun. 11, 2002
6308727 Fuel dispensing swivel breakaway assembly Oct. 30, 2001
6213202 Separable connector for coil tubing deployed systems Apr. 10, 2001
6123123 Non-stretch breakaway hose particularly for fuel dispenser Sep. 26, 2000
5826610 Breakaway coupling device Oct. 27, 1998
5803110 Fire hydrant assembly Sep. 8, 1998
5799684 Frangible hydraulic fuse Sep. 1, 1998
5730169 Temperature and impact sensitive safety valve Mar. 24, 1998
5699822 Breakaway coupling device Dec. 23, 1997
5699823 Breakaway coupling Dec. 23, 1997
5529085 Breakaway hose coupling Jun. 25, 1996
5297574 Fuel dispensing hose breakaway assembly Mar. 29, 1994
5165439 Frangible connectors Nov. 24, 1992
5018546 Fuel supply detachable coupling May. 28, 1991
5014732 Fluid-joint breakaway swivel coupling May. 14, 1991
4896688 Breakaway hose coupling device Jan. 30, 1990
4827960 Dual fluid path breakaway swivel coupling May. 9, 1989
4828183 Butterfly valve for fluid flow line May. 9, 1989
4763683 Breakaway coupling for a coaxial fuel supply hose Aug. 16, 1988
4674525 Breakaway hose coupling device Jun. 23, 1987
4667883 Butterfly valve for fluid flow line May. 26, 1987
4646773 Breakaway hose coupling Mar. 3, 1987
4643216 Frangible ball valve connector Feb. 17, 1987
4625746 Automatic fluid sealing mechanism for a conduit with a frangible connector Dec. 2, 1986
4614201 Break-away coupling for hoselines Sep. 30, 1986
4611618 Frangible fittings Sep. 16, 1986
4501287 Breakaway coupling Feb. 26, 1985
4483359 Pull away spill guard Nov. 20, 1984
4449545 Breakaway safety valve May. 22, 1984
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
4351352 Frangible connectors with independently selectable bending and tension separation loads Sep. 28, 1982
4328822 Breakaway coupling assembly May. 11, 1982
4326555 Breakaway coupling Apr. 27, 1982
4301823 Self-closing breakaway valve assembly including improved valve mounting with rotation limiting stop Nov. 24, 1981
4295484 Frangible connector for self-closing breakaway valve assemblies or similar structures Oct. 20, 1981
4232697 Frangible connectors with independently selectable bending and tension separation loads Nov. 11, 1980
4166475 Safety coupling Sep. 4, 1979
4127142 Slow close hydrant check valve Nov. 28, 1978
4090524 Frangible valved fitting May. 23, 1978
3999567 Tank truck safety valve Dec. 28, 1976











 
 
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