Valves and valve actuation – Fluid actuated or retarded – Rotary or oscillatory motor
Reexamination Certificate
2005-06-21
2005-06-21
Look, Edward K. (Department: 3751)
Valves and valve actuation
Fluid actuated or retarded
Rotary or oscillatory motor
C251S292000, C137S347000, C137S350000
Reexamination Certificate
active
06908068
ABSTRACT:
A valve closure assembly (50) for remotely and automatically closing railway tank car valves (V1, V2, V3, V4) characterized by a series of novel adapters (180, 240, 242, 244, 252, 254) for enabling one valve closure assembly to turn the handles of various different valves, including soft-seat valves and hard-seat valves.
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Fortino Richard D.
Maniez, Jr. David N.
Boller George L.
Fristoe Jr. John K.
Look Edward K.
Powell Technologies LLC
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