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Class Information
Number: 137/614.01
Name: Fluid handling > Systems > Flow path with serial valves and/or closures > Separable flow path section, valve or closure in each > Common joint and valve seat faces, or sections joined by closing members
Description: Systems in which (1) the faces which seat the valves, flow controllers, or closures, when the sections are disjoined, abut each other when the sections are joined, (2) the valves, flow controllers, or closures, have integral with them that structure which joins the flow path sections.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8662108 Quick connect fluid coupling Mar. 4, 2014
8590557 Dual flap device for the environmentally tight connection of two receptacles Nov. 26, 2013
8360103 Split valve Jan. 29, 2013
8082947 Separable ball valve apparatus and ball valve assembly Dec. 27, 2011
8061385 Combined safety valve Nov. 22, 2011
7967026 Coupling and decoupling assembly of pipe having double valve Jun. 28, 2011
7699074 Valve assembly including first and second joined parts Apr. 20, 2010
7669612 Pipe coupling and male coupling member Mar. 2, 2010
7090191 Connector assembly Aug. 15, 2006
7028982 Coupling member for a pipe coupling Apr. 18, 2006
6877527 Arrangement for connecting and disconnecting two pipe sections of a fluid transfer system Apr. 12, 2005
6807979 Device for coupling two storage and/or transport means with a cleaning device Oct. 26, 2004
6616196 Coupling having means which prevent separation Sep. 9, 2003
6412518 Apparatus for off-loading incoherent material from a container Jul. 2, 2002
6382251 Coupling with male half having internal pressure relief May. 7, 2002
6311745 Systems and methods for dispensing powders Nov. 6, 2001
6179001 Quick connect coupling with concentric configuration Jan. 30, 2001
6056011 Pipe fitting provided with two ball valves, one of which with concavity, that are activated in a sequence and with quick release coupling means subordinated to the closing of both valves May. 2, 2000
6009901 Dry disconnect coupling Jan. 4, 2000
5884648 Coupling valve apparatus and method Mar. 23, 1999
5884660 Means for transferring a flowable material Mar. 23, 1999
5810047 Sub-sea coupling with conical seal Sep. 22, 1998
5709243 Low spill female coupling Jan. 20, 1998
5699823 Breakaway coupling Dec. 23, 1997
5690152 Device for coupling containers Nov. 25, 1997
5603353 Quick disconnect coupling Feb. 18, 1997
5488972 Ball valve coupling Feb. 6, 1996
5402825 Ball valve coupling Apr. 4, 1995
5402826 Coupling device Apr. 4, 1995
5379798 Hydraulic coupling Jan. 10, 1995
5379793 Ventless transfer valve and method for using same Jan. 10, 1995
RE34781 Coupling adapter Nov. 8, 1994
5304164 Quick-changeover blood handling apparatus Apr. 19, 1994
5295507 Containment valve that allows contamination free transfer Mar. 22, 1994
5284182 Wiper for a rotary disk valve Feb. 8, 1994
5095946 Dry-break pipe coupling Mar. 17, 1992
5088519 Device for connecting two conduit parts Feb. 18, 1992
4989638 Substantially leak-free disconnection apparatus Feb. 5, 1991
4921013 Coupling adapter May. 1, 1990
4899786 Breakaway fluid coupling Feb. 13, 1990
4768551 Connect-under-pressure coupling Sep. 6, 1988
4763683 Breakaway coupling for a coaxial fuel supply hose Aug. 16, 1988
4687016 Emergency release valve apparatus Aug. 18, 1987
4671773 Marine propulsion installation including fuel conduit coupling apparatus Jun. 9, 1987
4664149 Automatically-operated self-sealing zero-spillage fluid coupling device May. 12, 1987
4641405 Servo system method and apparatus servo valve apparatus therefor and method of making same Feb. 10, 1987
4625761 Corrosion-resistant, quick disconnecting coupling assembly for piping use Dec. 2, 1986
4577659 Coupling arrangement for pipe conduits conducting a medium containing radioactive substances Mar. 25, 1986
4543993 Positive locking connector Oct. 1, 1985
4510969 Connector for pressurized source of beverage concentrate Apr. 16, 1985

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