Valves and valve actuation – Fluid actuated or retarded – Fluid and non-fluid actuators
Reexamination Certificate
2006-04-11
2006-04-11
Look, Edward K. (Department: 3751)
Valves and valve actuation
Fluid actuated or retarded
Fluid and non-fluid actuators
C251S031000, C251S305000
Reexamination Certificate
active
07025325
ABSTRACT:
Disclosed is a flow control valve capable of controlling a flow amount of air, gas or fluid inside a pipe. The flow control valve has a relatively simple structure, which can reduce manufacturing expenses, minimize malfunction and wrong driving, and allow a rapid repair and replacement of components.
REFERENCES:
patent: 2608374 (1952-08-01), Morehead
patent: 3801062 (1974-04-01), Arn et al.
patent: 4679764 (1987-07-01), Smith et al.
patent: 6155531 (2000-12-01), Holborow et al.
Fristoe Jr. John K.
Lee Hong Degerman Kang & Schmadeka
Look Edward K.
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