LandOfFree - US Patents - Listing for Valves and valve actuation,Fluid actuated or retarded,Piston type expansible chamber reciprocating valve actuator

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

Modular, pneumatically operated control valve

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

Molded rubber valve seal for use in predetermined type valves, s

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

Multiple port, sliding plate valve

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

Multistage switching valve, two-stage switching valve, and...

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

Normally closed fluid switching logic element

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

Oil well safety valve for use with drill pipe

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

Operating device for a cylindrical gate

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

Outlet valve

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

Outlet valve

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

Particle control valve

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

Passively actuated valve

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

Pilot valve

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

Piloted check valve

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

Piloted wellhead flow control valve

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

Piston actuated pressure reducing valve

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

Piston biasing means

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

Piston diaphragm with integral seal

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

Pivotal ball check valve

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

Pneumatic ball valve operator