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Class Information
Number: 137/797
Name: Fluid handling > Frangible
Description: Subject matter wherein the device includes an element designed to rupture or break where a force of a magnitude greater than a predetermined value is applied thereto.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8443824 Fluid flow controller May. 21, 2013
8439063 Heat and/or steam activated valve and method therefor May. 14, 2013
8282613 Disposable urine bag for collecting urine Oct. 9, 2012
8230883 Gas piping system for fuel cell Jul. 31, 2012
7985378 Flushing in a multiple loop reactor Jul. 26, 2011
7798893 Full opening and reclosable explosion vent apparatus Sep. 21, 2010
7772506 Fluid-tight cable duct Aug. 10, 2010
7708025 Poppet valve member May. 4, 2010
7556063 High overpressure vent structure having spring steel recloser panel Jul. 7, 2009
7506665 Ball valve with interlocking stem Mar. 24, 2009
7467643 Fitting for fuel tanks Dec. 23, 2008
7322558 Non-refillable valve Jan. 29, 2008
7306010 Ball valve with snap-in stem Dec. 11, 2007
7124770 Shear mechanism for backpressure relief in a choke valve Oct. 24, 2006
7032615 Pipe-covering member having tear-away portions Apr. 25, 2006
6955669 Transfer set in particular for delivering a mixture of liquids for medical purposes Oct. 18, 2005
6843506 Safety device Jan. 18, 2005
6810915 Accumulator having a safety valve Nov. 2, 2004
6810913 Internal fuel vapor valve Nov. 2, 2004
6789782 Valve for gas systems Sep. 14, 2004
6722633 Throttle body with insert-molded member Apr. 20, 2004
6588447 Break-away water meter register retaining ring Jul. 8, 2003
6499721 Bulk container valve Dec. 31, 2002
6401747 Gate valve Jun. 11, 2002
6401745 Fire hydrant automatic shut-off valve Jun. 11, 2002
6138715 One-piece ballkey Oct. 31, 2000
6138985 Internal tank car valve with safety lock and interlocking lug Oct. 31, 2000
5960820 Cover assembly having rapid installation features for covering undersink piping Oct. 5, 1999
5934329 Peeling diaphragm fluid release device Aug. 10, 1999
5931444 Internal tank car valve with safety lock Aug. 3, 1999
5803110 Fire hydrant assembly Sep. 8, 1998
5797419 Sewer line trap priming assembly and antisiphoning conduit component therefor Aug. 25, 1998
5765587 Automatic valves Jun. 16, 1998
5701929 Cover assembly having rapid installation features for covering undersink piping Dec. 30, 1997
5649566 Cover assembly and method for covering undersink piping Jul. 22, 1997
5588460 Fire hydrant valve guide with locking sleeve and wrench therefor Dec. 31, 1996
5544675 Frangible valve handle Aug. 13, 1996
5518032 Pressure vessel safety relief May. 21, 1996
5439276 Tamper-resistant independent brake valve device for locomotive air brake equipment Aug. 8, 1995
5404909 Coupling device Apr. 11, 1995
5361799 Waste water access fitting Nov. 8, 1994
5341830 Cover assembly and method for covering undersink piping Aug. 30, 1994
5285814 Valve-setting device Feb. 15, 1994
5259410 System for P-trap protection Nov. 9, 1993
5244181 High flow internal emergency valve Sep. 14, 1993
5213137 Check valve shear fitting with test port May. 25, 1993
5211685 Fire hydrant base enclosure May. 18, 1993
5163469 Unitary article comprising protective system components Nov. 17, 1992
5145151 Internal tank valve with valve lock Sep. 8, 1992
5054513 Protective system for P-trap Oct. 8, 1991

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