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Class Information
Number: 137/68.3
Name: Fluid handling > Destructible or deformable element controlled > Destructible element > Rupture disc > Knife or cutter causes disc to break > Movable knife or cutter
Description: Subject matter wherein the piercing device is positionable.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8448716 Fire extinguisher gas ejector May. 28, 2013
8235249 Heat actuated puncturing mechanism for a compressed gas cartridge Aug. 7, 2012
8205631 Active material actuated vent valve Jun. 26, 2012
8066025 Piercing valve stem assembly and system Nov. 29, 2011
7874308 Rotating valve assembly Jan. 25, 2011
7766029 Valve Aug. 3, 2010
7740081 Hazard detection and suppression apparatus Jun. 22, 2010
7703471 Single-action discharge valve Apr. 27, 2010
7673647 Inflation valve with pneumatic assist Mar. 9, 2010
7669616 Apparatus for puncturing a gas filled bottle Mar. 2, 2010
7562670 Flat valve for orbital applications Jul. 21, 2009
7401808 Inflator having an improved closure cap Jul. 22, 2008
7398793 Rapidly opening pressure regulating valve, fire extinguishing apparatus using the same, high-pressure gas cylinder apparatus and apparatus for rapidly supplying fluid Jul. 15, 2008
7373944 Pyrotechnic relief valve May. 20, 2008
7343936 Water pipe coupling with off-centered piercing assembly for tear out disk and method of removing disk Mar. 18, 2008
7299816 Inflation valve assembly Nov. 27, 2007
7178547 Inflation valve with pneumatic assist Feb. 20, 2007
7165568 Rotating valve assembly Jan. 23, 2007
7143775 Valve element Dec. 5, 2006
7143776 Valve element Dec. 5, 2006
7140381 Valve element Nov. 28, 2006
7089964 Water pipe coupling with off-centered piercing assembly for tear out disk and method of removing disk Aug. 15, 2006
6976499 Tear-out coupling with cantilevered pull tab Dec. 20, 2005
6941938 Adapter assembly with floating pin for operably connecting pressurized bottle to a paintball marker Sep. 13, 2005
6874522 Luer-actuated solution path connector with membrane and container using the connector and a method for establishing fluid communication with the container Apr. 5, 2005
6755215 Tear-out coupling with puncture means Jun. 29, 2004
6748743 Indirectly heated gas turbine control system Jun. 15, 2004
6672616 Air bag inflator Jan. 6, 2004
6637450 Pressure valve device for a gas pressure cartridge Oct. 28, 2003
6622748 Tear-out coupling with cantilevered pull tab Sep. 23, 2003
6564823 Method and apparatus for testing plumbing installations May. 20, 2003
6390118 Apparatus and method for testing plumbing system May. 21, 2002
6260571 Inflation valve assembly for liferafts Jul. 17, 2001
6260570 Puncture disc raft inflation valve having a one-piece valve body Jul. 17, 2001
6254128 Hybrid gas generator for airbag Jul. 3, 2001
6016971 Lawn watering system Jan. 25, 2000
5845669 Vent valve Dec. 8, 1998
5746397 Aircraft defueling system May. 5, 1998
5664804 Pressure vessel with rupturable closure wall Sep. 9, 1997
5647390 Thermal relief valve with improved bayonet Jul. 15, 1997
5592962 Compressed gas release system Jan. 14, 1997
5495865 Temperature relief valve with thermal trigger Mar. 5, 1996
5413136 Inflatable elastomeric valve having a spherical configuration May. 9, 1995
5199454 Valve structure Apr. 6, 1993
5076312 Pressure relief device Dec. 31, 1991
5018770 Fire sprinkler apparatus May. 28, 1991
5010911 Electromagnetic valve operator Apr. 30, 1991
4846363 Dual gas pressure vessel Jul. 11, 1989
4830052 Diaphragm safety device with upstream active bursting knife May. 16, 1989
4732298 Withdrawal apparatus Mar. 22, 1988

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