LandOfFree - US Patents - Listing for Valves and valve actuation,Fluid actuated or retarded

Valves and valve actuation – Fluid actuated or retarded – Fluid and non-fluid actuators

Fail safe gate valves and actuators therefor

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor

Fail safe hydraulic piloted pressure reducing and regulating val

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor

Fail safe pneumatically actuated valve with fast time...

Valves and valve actuation – Fluid actuated or retarded – Fluid and non-fluid actuators

Fail-close hydraulically actuated control choke

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor

Fail-closed, tight seal gas safety valve system

Valves and valve actuation – Fluid actuated or retarded – Fluid and non-fluid actuators

Fail-safe actuator and hydraulic system incorporating the same

Valves and valve actuation – Fluid actuated or retarded – Fluid and non-fluid actuators

Fail-safe actuator and hydraulic system incorporating the same

Valves and valve actuation – Fluid actuated or retarded – Fluid and non-fluid actuators

Fail-safe actuator device

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor

Fail-safe fluid actuator

Valves and valve actuation – Fluid actuated or retarded – Piston type expansible chamber reciprocating valve actuator

Fail-safe fluid piloted valve positioner with hydromechanical po

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor

Fail-safe pneumatically actuated valve with fast time...

Valves and valve actuation – Fluid actuated or retarded – Piston type expansible chamber reciprocating valve actuator

Fail-safe valve actuator

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor

Fail-to-neutral module

Valves and valve actuation – Fluid actuated or retarded – Piston type expansible chamber reciprocating valve actuator

Failsafe cutoff valve for oil and gas wells

Valves and valve actuation – Fluid actuated or retarded – Fluid and non-fluid actuators

Fast closing well choke

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor

Fast opening valve apparatus

Valves and valve actuation – Fluid actuated or retarded – Piston type expansible chamber reciprocating valve actuator

Fast valve

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor

Fast working hydraulic valve

Valves and valve actuation – Fluid actuated or retarded – Fluid and non-fluid actuators

Fast-closing stepping actuator for a valve member