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Class Information
Number: 137/614.02
Name: Fluid handling > Systems > Flow path with serial valves and/or closures > Separable flow path section, valve or closure in each > Each valve and/or closure operated by coupling motion
Description: Systems in which actuation of each of the valves, flow controllers, or closures is simultaneous with the joining or disconnecting of the flow path sections.










Sub-classes under this class:

Class Number Class Name Patents
137/614.03 Linear motion of flow path sections operates both 263


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8671980 Apparatus for filtering and/or conditioning and/or purifying a fluid such as water Mar. 18, 2014
8622085 Self-sealing hydraulic control line coupling Jan. 7, 2014
8393354 Self-sealing hydraulic control line coupling Mar. 12, 2013
8322368 Self sealing disconnect valve Dec. 4, 2012
8191576 Quick disconnect utilizing guillotine valves Jun. 5, 2012
8056581 Latching connectors Nov. 15, 2011
7946627 Female quick coupling fitting element for pipes May. 24, 2011
7819135 Rigid coupling device for pressurized fluid-conduits Oct. 26, 2010
7730735 Refrigerant service port valve for air conditioners Jun. 8, 2010
7677261 High flow, low mobile weight quick disconnect system Mar. 16, 2010
7578312 Hydraulic coupling member with displaced water compensation system Aug. 25, 2009
7389794 Quick coupling having pressure relief device for multiple pressurized lines Jun. 24, 2008
7293584 Faucet spout and diverter valve Nov. 13, 2007
7152626 Diverter valve Dec. 26, 2006
7121592 Fluid quick connect with adjustable flow control valve Oct. 17, 2006
7070164 Coupling member of a pipe coupling Jul. 4, 2006
6830070 Fluid coupler automatically uncouplable in an emergency Dec. 14, 2004
6814340 Quick-action coupling of a flat design Nov. 9, 2004
6269836 Breakaway anti pollution safety valve in a fluid duct Aug. 7, 2001
6170522 Self-seal type double-pipe joint Jan. 9, 2001
6158717 Quick-action fluid coupling Dec. 12, 2000
6148858 Pressure balanced couplings Nov. 21, 2000
6116277 Farm coupling Sep. 12, 2000
6079445 Quick universal joint of auto-separating two-way check valve Jun. 27, 2000
5937885 Fluid fitting coupling system Aug. 17, 1999
5873386 Quick-release coupling Feb. 23, 1999
5787927 Coupling assembly Aug. 4, 1998
5641011 System for transporting and dispensing granular materials Jun. 24, 1997
5447177 Separating device for conduits Sep. 5, 1995
5351708 Automatic fluid sealing mechanism for a conduit with a frangible connector Oct. 4, 1994
5305776 Emergency shut-off device Apr. 26, 1994
5248125 Refrigerant service system with self-sealing coupling Sep. 28, 1993
5224527 Closed granular chemical handling system Jul. 6, 1993
5186202 Trigger means for self-closing breakaway valve assemblies Feb. 16, 1993
5168897 Quick and dry coupling Dec. 8, 1992
5144979 Tube coupler and a valve for a tube coupler Sep. 8, 1992
5123446 Dual seal coupling Jun. 23, 1992
5092363 Quick and dry coupling Mar. 3, 1992
5083588 Device, incorporating rotating valves, for coupling pipes Jan. 28, 1992
5005375 Refrigeration equipment service apparatus with quick-disconnect couplings Apr. 9, 1991
4995417 One-piece tire valve adaptor Feb. 26, 1991
4986304 Quick and dry coupling Jan. 22, 1991
4846281 Dual flapper valve assembly Jul. 11, 1989
4648581 Coupling head for pressure medium lines of pressure medium brake units in vehicles Mar. 10, 1987
4643216 Frangible ball valve connector Feb. 17, 1987
4602658 Chemical agent and waterproof connector for liquid conditions suit interface Jul. 29, 1986
4576199 Slide valve and coupling unit Mar. 18, 1986
4476892 Dual purpose refrigerant connector Oct. 16, 1984
4453566 Hydraulic subsea control system with disconnect Jun. 12, 1984
4442974 Land irrigation system and method Apr. 17, 1984

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