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Class Information
Number: 137/68.21
Name: Fluid handling > Destructible or deformable element controlled > Destructible element > Rupture disc > Means for holding entire disc after rupture
Description: Subject matter that has a specific means for preventing the rupture disc from tearing away (e.g., hinge-reinforcing member).

Patents under this class:

Patent Number Title Of Patent Date Issued
8443824 Fluid flow controller May. 21, 2013
7950409 Rupture disc assembly that withstands much higher back pressures than actuation pressure May. 31, 2011
7905244 Explosion pressure relief device Mar. 15, 2011
7735671 Non-fragmenting pressure relief apparatus Jun. 15, 2010
7665486 Tear out test plug for plumbing installations Feb. 23, 2010
7533727 Oil well completion tool having severable tubing string barrier disc May. 19, 2009
6786507 Hybrid gas generator Sep. 7, 2004
6192914 Rupture disk safety member Feb. 27, 2001
6178983 Rupture disk assembly Jan. 30, 2001
6142346 Cluster-type relief device Nov. 7, 2000
5996605 Rupture disk safety member Dec. 7, 1999
5865207 Releasing means Feb. 2, 1999
5832947 Gas shut-off and pressure relief valve for a high pressure gas vessel Nov. 10, 1998
5558114 Eccentric scored rupture disk assembly Sep. 24, 1996
5413237 Nonfragmenting rupture disk assemblies and methods May. 9, 1995
5368180 Perforated rupture disk assembly Nov. 29, 1994
5305775 Apparatus and method for preventing fragmentation of a rupture disk Apr. 26, 1994
5267666 Multiple-dome, scored, rupture disc Dec. 7, 1993
5167337 Scored reverse buckling rupture disk assembly Dec. 1, 1992
5082133 Low pressure rupture disk and assembly Jan. 21, 1992
5005722 Fail safe rupture disk assembly Apr. 9, 1991
4597505 Rupture disc with selectively positioned initial buckling Jul. 1, 1986
4590957 Pressure relief device May. 27, 1986
4580691 High flow pressure relief assembly Apr. 8, 1986
4570658 Pyrotechnic-actuated dual air valve Feb. 18, 1986
4505180 High reverse pressure resistant low forward burst pressure rupture disc assembly Mar. 19, 1985
4479587 Two-way rupturable pressure relief apparatus Oct. 30, 1984
4404982 Rupturable pressure relief apparatus Sep. 20, 1983
4399830 Safety pressure relief device assembly Aug. 23, 1983
4211334 Safety pressure relief apparatus Jul. 8, 1980
4207913 Low burst pressure corrosion resistant rupture disc assembly Jun. 17, 1980
4158422 Safety pressure relief apparatus Jun. 19, 1979

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