Fluid handling – Line condition change responsive valves – Direct response valves
Reexamination Certificate
2006-09-26
2009-08-04
Rivell, John (Department: 3753)
Fluid handling
Line condition change responsive valves
Direct response valves
C251S064000
Reexamination Certificate
active
07568498
ABSTRACT:
A check valve is provided that includes a valve body, a stop mechanism, and a flapper. The valve body includes a flowpath extending therethrough and a pair of stop supports extending axially therefrom. The valve body includes an engineered composite. The stop mechanism is integrally formed with the valve body and extends between the pair of stop supports. The stop mechanism includes the engineered composite. The flapper rotationally is coupled to the valve body and configured to be selectively moveable between an open and closed position in response to a pressure differential thereacross. The flapper includes the engineered composite.
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EP Search Report 07117007.0, dated Jan. 16, 2008.
Denike Stuart K.
Jira Joseph J.
McGonigle G. Stephen
Warriner Jeremiah J.
Brown Macade
Honeywell International , Inc.
Ingrassia Fisher & Lorenz P.C.
Rivell John
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