Fluid handling – Systems – Flow path with serial valves and/or closures
Reexamination Certificate
2007-01-09
2007-01-09
Lee, Kevin (Department: 3753)
Fluid handling
Systems
Flow path with serial valves and/or closures
C137S614040, C137S614050, C137S628000, C251S149600
Reexamination Certificate
active
11273217
ABSTRACT:
A female hydraulic coupling member is disclosed which comprises a first flow port; a second flow port; a third flow port in fluid communication with both the first flow port and the second flow port; a first poppet valve for opening and closing the first flow port; and a second poppet valve for opening and closing the second flow port, the second poppet valve being connected to the first poppet valve such that the second poppet valve moves to the closed position when the first poppet valve is open and moves to the open position when the first poppet valve is closed.
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Combined Search and Examination Report received in co-pending European Patent Application No. GB0523353.1 dated Feb. 9, 2006.
Smith, III Robert E.
Watson Richard R.
Lee Kevin
National Coupling Company Inc.
Wong Cabello Lutsch Rutherford & Brucculeri LLP
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