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Class Information
Number: 137/614
Name: Fluid handling > Systems > Flow path with serial valves and/or closures > Separable flow path section, valve or closure in each
Description: Systems in which the flow path includes joined, disconnectible, sections; one of the valves, flow controllers or closures being retained with each section.










Sub-classes under this class:

Class Number Class Name Patents
137/614.01 Common joint and valve seat faces, or sections joined by closing members 56
137/614.06 Coupling interlocked with valve, or closure or actuator 185
137/614.02 Each valve and/or closure operated by coupling motion 63
137/614.05 Valve- or closure-operated by coupling motion 242


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8616524 Female quick-connect coupling element, and a quick-connect coupling incorporating such an element Dec. 31, 2013
8590568 Female quick-connect coupling element, and a quick-connect coupling incorporating such an element Nov. 26, 2013
8561652 Method for safe filling with carbon nanotubes, filling system and industrial plant employing this method Oct. 22, 2013
8544500 Coupling apparatus for chemical fluid flow channel Oct. 1, 2013
8523155 Fluid passage connection device Sep. 3, 2013
8499791 Quick coupler Aug. 6, 2013
8499790 Adjustable coolant quick coupler Aug. 6, 2013
8459301 Connecting unit for sanitary fittings Jun. 11, 2013
8463446 Operating method for a cooling section having centralized detection of valve characteristics and objects corresponding thereto Jun. 11, 2013
8409357 Self-cleaning apparatus and method for thick slurry pressure control Apr. 2, 2013
8365769 Ball valve Feb. 5, 2013
8336580 Cartridge Dec. 25, 2012
8210204 Socket for fluid-transfer coupling device Jul. 3, 2012
8196607 Subsea coupling Jun. 12, 2012
8123738 Closed system connector assembly Feb. 28, 2012
8061385 Combined safety valve Nov. 22, 2011
8056581 Latching connectors Nov. 15, 2011
8033279 Burner control system for a cooking appliance Oct. 11, 2011
8015991 Manifold-type solenoid valve apparatus having stop valve Sep. 13, 2011
7751959 Semi-active suspension system with anti-roll for a vehicle Jul. 6, 2010
7645536 Fuel cell, fuel cartridge and fuel cell system Jan. 12, 2010
7628171 Fluid leak preventing structure Dec. 8, 2009
7520487 Valve arrangement with piezoelectric control Apr. 21, 2009
7404414 Dispensing tool assembly for evacuating and/or charging a fluid system Jul. 29, 2008
7401627 Protection of a seal element Jul. 22, 2008
7287549 Valve pin cross over nozzle for stack mould Oct. 30, 2007
7219694 Pipe connector for cryogenic use May. 22, 2007
7168445 Intra-cylinder tubular pressure regulator Jan. 30, 2007
7165576 Breakaway hose coupling with manual rotational separation Jan. 23, 2007
7137974 Sterile connector Nov. 21, 2006
6981511 Method and apparatus for servicing a pressurized system Jan. 3, 2006
6938636 Breakaway coupling with flapper valve Sep. 6, 2005
6901952 Gas flow regulation system Jun. 7, 2005
6899131 Breakaway hose coupling with manual rotational separation May. 31, 2005
6896190 Expansion valve May. 24, 2005
6871837 Valve structure for use in a pipe coupling and a pipe coupling comprising the valve structure Mar. 29, 2005
6866064 Coupling assembly having a coupling member removably securable in an apparatus Mar. 15, 2005
6807976 Fluid addition apparatus Oct. 26, 2004
6776186 Dispensing tool for evacuating and charging a fluid system Aug. 17, 2004
6655656 Quick disconnect coupling Dec. 2, 2003
6631733 Adjustably sealed multi-line fluid coupler Oct. 14, 2003
6619319 Multi-line fluid connector Sep. 16, 2003
6588452 Coupling device for transferring fluid pressure Jul. 8, 2003
6539970 Method and apparatus for servicing a pressurized system Apr. 1, 2003
6488043 Valve system Dec. 3, 2002
6463957 Connector having a locking member Oct. 15, 2002
6460569 Multi-line fluid connector Oct. 8, 2002
6450199 Refrigeration system service coupling Sep. 17, 2002
6405768 Pressure fuel servicing nozzle Jun. 18, 2002
6394131 Trapped fluid volume compensator for hydraulic couplers May. 28, 2002

1 2 3 4










 
 
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