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Class Information
Number: 137/68.19
Name: Fluid handling > Destructible or deformable element controlled > Destructible element > Rupture disc
Description: Subject matter where the destructible element is a diaphragm or seal that holds fluid.










Sub-classes under this class:

Class Number Class Name Patents
137/68.23 Direct pressure causes disc to burst 135
137/68.22 Disc burst after destruction of additional element 31
137/68.28 Integral disc assembly 41
137/68.29 Knife or cutter causes disc to break 55
137/68.21 Means for holding entire disc after rupture 32
137/68.27 Specific weakening point 100


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8636164 Controlling the rated burst pressure of a rupture disc through the use of control scores on the disc dome Jan. 28, 2014
8622071 Rupture panel Jan. 7, 2014
8522809 Gas regulator with venting bonnet Sep. 3, 2013
8511328 Plugged hot tap tee Aug. 20, 2013
8470135 Method and apparatus for minimizing accumulation of polymer on process equipment, especially safety devices Jun. 25, 2013
8371611 Rupture feature for inflator of vehicle airbag Feb. 12, 2013
8322360 Rupture panel Dec. 4, 2012
8302626 Plant for recovering a polluting fluid contained in the tanks of a sunken vessel Nov. 6, 2012
8282613 Disposable urine bag for collecting urine Oct. 9, 2012
8066032 Apparatus for instantaneously terminating movement of flow material through a conduit Nov. 29, 2011
7975714 Burst disk assembly Jul. 12, 2011
7874308 Rotating valve assembly Jan. 25, 2011
7665486 Tear out test plug for plumbing installations Feb. 23, 2010
7395868 Apparatus for blocking a medium flow passage in a spray head, and spray head Jul. 8, 2008
7350535 Valve Apr. 1, 2008
7343936 Water pipe coupling with off-centered piercing assembly for tear out disk and method of removing disk Mar. 18, 2008
7293574 Gas cylinder regulator Nov. 13, 2007
7281544 Devices and methods for controlling the release of a substance Oct. 16, 2007
7273068 Electric driven, integrated metering and shutoff valve for fluid flow control Sep. 25, 2007
7258127 Pressure diverter valve and system Aug. 21, 2007
7226078 Inflator projectile Jun. 5, 2007
7165568 Rotating valve assembly Jan. 23, 2007
7121582 Inflator Oct. 17, 2006
7089964 Water pipe coupling with off-centered piercing assembly for tear out disk and method of removing disk Aug. 15, 2006
7082957 Temporary closure devices and tube couplings incorporating such devices Aug. 1, 2006
7051751 Burst disk assembly May. 30, 2006
7017767 Non-fragmenting pressure relief apparatus Mar. 28, 2006
7004187 Line pressure diverter apparatus Feb. 28, 2006
6948698 Valve for pressurized canister Sep. 27, 2005
6915819 Tear out coupling Jul. 12, 2005
6886579 Vent cap May. 3, 2005
6786507 Hybrid gas generator Sep. 7, 2004
6748743 Indirectly heated gas turbine control system Jun. 15, 2004
6732808 Fire-extinguishing device May. 11, 2004
6637450 Pressure valve device for a gas pressure cartridge Oct. 28, 2003
6619380 Heat exchanger drain assembly having a frangible wall Sep. 16, 2003
6595242 Tear-out coupling with embedded wire Jul. 22, 2003
6571972 Bulk drum lid with two bung openings Jun. 3, 2003
6491109 Kinetic antifreeze device Dec. 10, 2002
6321771 Pressure relief device for a sealed system Nov. 27, 2001
6321770 Regulator valve for escape slide Nov. 27, 2001
6298868 Multifunctional valve and use of same in reaction control system Oct. 9, 2001
6265097 Breakable safety valve for metal-made container Jul. 24, 2001
6254982 Graphite bursting disc Jul. 3, 2001
6240951 Inflation system and valve for use therein Jun. 5, 2001
6240948 Rupture disk assembly Jun. 5, 2001
6234190 Mixing adaptor with rupturable membrane May. 22, 2001
6230737 Cylinder valve assembly May. 15, 2001
6223762 Device and method for superodorizing an LP-gas tank May. 1, 2001
6178759 Rupture disk Jan. 30, 2001

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