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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 22
137/68.13 Explosive actuation 138
137/70 Frangible element returns pressure responsive valve 89
137/71 Having pressure responsive valve 148
137/68.19 Rupture disc 88
137/68.14 Separable valve coupling or conduit 134
137/68.16 Tensile or sheer pin or bolt 24
137/68.18 With alarm or indicator 35
137/69 With counterbalancing element 29


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8684094 Preventing flow of undesired fluid through a variable flow resistance system in a well Apr. 1, 2014
8607811 Injection valve with indexing mechanism Dec. 17, 2013
8544548 Water dissolvable materials for activating inflow control devices that control flow of subsurface fluids Oct. 1, 2013
8505576 Valve housing blank and valve assembly Aug. 13, 2013
8499779 Systems, methods and apparatus of a nitinol valve Aug. 6, 2013
8464744 Water sensor with activation mechanism Jun. 18, 2013
8453688 Kit and device for connecting and transferring fluid and the use of said device Jun. 4, 2013
8453666 Seal for pressure testing a plumbing installation and method of use thereof Jun. 4, 2013
8443823 Flood detection and valve shutoff device May. 21, 2013
8387950 Flow device and method and system using the flow device Mar. 5, 2013
8336667 Tire valve assembly, system and apparatus for deflating a tire following unauthorized access to a motor vehicle Dec. 25, 2012
8333082 Condensate/water leak control switch Dec. 18, 2012
8282613 Disposable urine bag for collecting urine Oct. 9, 2012
8251084 Swivel safety breakaway connector Aug. 28, 2012
8226908 Dosimeter for programmable microscale manipulation of fluids Jul. 24, 2012
8220497 Plumbing trap protective devices and methods Jul. 17, 2012
8126107 Nuclear engineering plant and closure apparatus for its containment Feb. 28, 2012
8061380 Automatic flow shut-off system Nov. 22, 2011
8006714 Automatic flow shut-off system Aug. 30, 2011
7866336 Mechanical emergency liquid shut-off device Jan. 11, 2011
7858047 Fluidic device Dec. 28, 2010
7708025 Poppet valve member May. 4, 2010
7640759 Condensate/water leak control switch Jan. 5, 2010
7625354 Handpiece for fluid administration apparatus Dec. 1, 2009
7624792 Shear activated safety valve system Dec. 1, 2009
7562673 Automatic flow shut-off system Jul. 21, 2009
7424896 Automatic flow shut-off system Sep. 16, 2008
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

1 2 3










 
 
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