Fluid handling – Line condition change responsive valves – Bi-directional flow valves
Reexamination Certificate
2006-06-27
2006-06-27
Hepperle, Stephen M. (Department: 3753)
Fluid handling
Line condition change responsive valves
Bi-directional flow valves
C137S493600, C137S493900
Reexamination Certificate
active
07066199
ABSTRACT:
A valve assembly for use in regulating the flow of fluid between a first fluid side and a second fluid side of a hydraulic circuit. The valve includes a valve guide, a valve stem engaged to the valve guide and a valve seat. A bore is extended through the valve seat, and the bore and valve stem cooperate to form a fluid passage from the first side to the second side.
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Christiansen Tage
Kopel Thomas
Kryhlmand Anders
Trimble Robert E.
Hepperle Stephen M.
Hydro-Gear Limited Partnership
Neal Gerber & Eisenberg LLP
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