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Class Information
Number: 137/68.11
Name: Fluid handling > Destructible or deformable element controlled > Destructible element
Description: Subject matter in which the fluid flow control element is physically broken by having a force acting directly upon it.


Sub-classes under this class:

Class Number Class Name Patents
137/68.12 Combined destructible and fusible element 18
137/68.13 Explosive actuation 122
137/70 Frangible element returns pressure responsive valve 82
137/71 Having pressure responsive valve 132
137/68.19 Rupture disc 75
137/68.14 Separable valve coupling or conduit 110
137/68.16 Tensile or sheer pin or bolt 20
137/68.18 With alarm or indicator 31
137/69 With counterbalancing element 25


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7281544 Devices and methods for controlling the release of a substance Oct. 16, 2007
7270140 Poppet valve assembly Sep. 18, 2007
7152616 Devices and methods for programmable microscale manipulation of fluids Dec. 26, 2006
7140379 Cross-over prevention valve Nov. 28, 2006
7082957 Temporary closure devices and tube couplings incorporating such devices Aug. 1, 2006
7021345 Ball and socket breakaway fitting Apr. 4, 2006
7013907 Gas purge valve Mar. 21, 2006
6899122 Safety shutoff apparatus and method May. 31, 2005
6810915 Accumulator having a safety valve Nov. 2, 2004
6792967 Shutoff valve system with leak detector Sep. 21, 2004
6644336 Method and apparatus for automatic shutoff of a valve when a substance is present in a flow of fluid Nov. 11, 2003
6484742 Cartridge assembly for valve Nov. 26, 2002
6321769 Injection pressure sensor sealing mechanism Nov. 27, 2001
6280142 Pressure relief device for a propeller hub Aug. 28, 2001
6276389 Toxic fluid safe relief valve Aug. 21, 2001
6267001 Test plug Jul. 31, 2001
6135134 Excess flow volume control valve Oct. 24, 2000
6102367 Gas tap Aug. 15, 2000
6073812 Filtered venting system for liquid containers which are susceptible to contamination from external bioburden Jun. 13, 2000
6058960 Device serving as a valve insert for fluid containers under pressure May. 9, 2000
6058961 High pressure relief valve May. 9, 2000
6024116 Valve assembly and acuator operative for automatically shutting off water and gas supplies to a hot water heater upon detection of a water leak Feb. 15, 2000
6000632 Pop-up sprinkler head with maintenance features Dec. 14, 1999
5960811 Sensing valve for automatic shutoff when a substance is present in a flow of fluid Oct. 5, 1999
5860442 Fluid pressure shutoff and relief valve Jan. 19, 1999
5785074 Vented ball valve with lock-out ring Jul. 28, 1998
5782305 Method and apparatus for removing fluid from production tubing into the well Jul. 21, 1998
5762322 Actuator assembly to prevent inadvertent product discharge upon installation on stem Jun. 9, 1998
5727586 Reclosing collapsible pin pressure relief valve Mar. 17, 1998
5694117 Alarm system for rising stem valves Dec. 2, 1997
5687758 Gas leak sensor shutoff valve and method for installation Nov. 18, 1997
5631634 Flow and pressure sensor May. 20, 1997
5609179 Automatic shut-off valve Mar. 11, 1997
5595208 Double valve Jan. 21, 1997
5583490 Rupture disk monitoring apparatus Dec. 10, 1996
5577524 Large diameter resettable rupture pin relief valve Nov. 26, 1996
5551367 Dual setting under pressure relief system Sep. 3, 1996
5507501 Sealing disc used in hydraulic testing of plumbing system Apr. 16, 1996
5494068 Gas leak sensor shutoff valve and method for installation Feb. 27, 1996
5482075 Pressure surge resistant rupture disk assembly Jan. 9, 1996
RE34939 Connector with a safety shut-off feature May. 16, 1995
5393497 Device for containing and opening a glass ampule and for transferring liquid within the ampule to a container Feb. 28, 1995
5372306 Fail safe lawn sprinkler device Dec. 13, 1994
5365973 Break-away concentric hose coupling Nov. 22, 1994
5363889 Fuel dispensing nozzle assembly Nov. 15, 1994
5357998 Safety system for fluid conduit Oct. 25, 1994
5351707 Vibration-resistant impact valve for vapor recovery line Oct. 4, 1994
5347970 Fuel injection device for internal combustion engines Sep. 20, 1994
5328600 Cooling tower strainer tank and screen Jul. 12, 1994
5291912 Rupture disk for fire safe valves Mar. 8, 1994

1 2 3


 
 
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