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Class Information
Number: 137/68.16
Name: Fluid handling > Destructible or deformable element controlled > Destructible element > Tensile or sheer pin or bolt
Description: Subject matter where the destructible element is a pin or bolt that destructs when an excessive force is applied.










Sub-classes under this class:

Class Number Class Name Patents
137/68.17 Pressure causes pin or bolt to destruct 18


Patents under this class:

Patent Number Title Of Patent Date Issued
8671968 Device for pressure testing of pipes Mar. 18, 2014
8517041 Pressure relief device assemblies Aug. 27, 2013
8397741 Delay activated valve and method Mar. 19, 2013
7659832 Electrically controlled actuating element on a machine Feb. 9, 2010
7124770 Shear mechanism for backpressure relief in a choke valve Oct. 24, 2006
7044151 Piston-activated valve and methods and apparatus for restraining free play in a device May. 16, 2006
6644336 Method and apparatus for automatic shutoff of a valve when a substance is present in a flow of fluid Nov. 11, 2003
6314982 Link apparatus Nov. 13, 2001
6148915 Apparatus and methods for completing a subterranean well Nov. 21, 2000
6035880 Pressure activated switch valve Mar. 14, 2000
5992441 Fuel vapor vent valve Nov. 30, 1999
5609179 Automatic shut-off valve Mar. 11, 1997
5598864 Subsurface safety valve Feb. 4, 1997
4628996 Full opening check valve Dec. 16, 1986
4611617 Irrigation valve control apparatus Sep. 16, 1986
4570658 Pyrotechnic-actuated dual air valve Feb. 18, 1986
4550743 Bursting disc orientation device Nov. 5, 1985
4460046 Control fluid communication nipple Jul. 17, 1984
4307744 Frangible intertank valve assembly Dec. 29, 1981
4279266 Sleeve valve Jul. 21, 1981
4274484 Dump valve Jun. 23, 1981
4097241 Pyrotechnic tire inflator Jun. 27, 1978
4088298 Check valve assembly May. 9, 1978
3954138 Safety plug for sealing-off the tubing of a producing oil or gas well May. 4, 1976











 
 
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