Fluid handling – Line condition change responsive valves – Direct response valves
Reexamination Certificate
2007-07-03
2007-07-03
Krishnamurthy, Ramesh (Department: 3753)
Fluid handling
Line condition change responsive valves
Direct response valves
C137S847000, C347S085000
Reexamination Certificate
active
10976663
ABSTRACT:
A check valve includes two opposing sheets surfaces that are coupled together to form a flow channel there between. The flow channel has a first end, a second end and at least one direction-changing portion in between the first and second ends. A first opening is provided at the first end of the flow channel and a second opening is provided at the second end of the flow channel.
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DeVries Mark A.
Ender Ronald J.
Haines Paul Mark
Hauck Mark
Hewlett--Packard Development Company, L.P.
Krishnamurthy Ramesh
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