LandOfFree - US Patents - Listing for Valves and valve actuation

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 – Balanced valves – Reciprocating

Fail-safe valve

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 – Rotary valves – Ball valve

Fan casing with cover

Valves and valve actuation – Mechanical movement actuator – Lever

Fast acting, nonrepairable plastic on/off valve

Valves and valve actuation – With snap action

Fast closing clamp

Valves and valve actuation – With snap action

Fast closing clamp

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 – With correlated flow path – Valve operated by joining flow path sections

Fast pipe joint

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

Fast valve

Valves and valve actuation – With snap action

Fast valve actuator and tool provided with same

Valves and valve actuation – Electrically actuated valve

Fast variable flow microelectromechanical valves

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

Fast working hydraulic valve

Valves and valve actuation – Electrically actuated valve – Including solenoid

Fast-acting electromagnetic solenoid valve

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

Fast-closing stepping actuator for a valve member