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

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

Dual flush activation

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

Dual independent input hydraulic shutoff

Valves and valve actuation – Fluid actuated or retarded – Plural operations

Dual lift system

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

Dual piston pneumatically operated valve

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

Dual position pilot operated valve assembly

Valves and valve actuation – Fluid actuated or retarded – Compulsory cut-off after flow period

Dual rate valve assembly

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

Dual stage hydraulic actuator for expanding gate valve

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

Dual stage valve actuator

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

Dump/stop valve for surface controlled subsurface safety valve

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

Dynamically stable flow amplifying poppet valve

Valves and valve actuation – Fluid actuated or retarded – With mechanical movement between actuator and valve

Eccentrically displaceable sleeve type control valve

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

ECP manifold valve inserts

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

ECP manifold vent valve insert

Valves and valve actuation – Fluid actuated or retarded – Fluid link or column actuator

Electric solid-body actuator having a hydraulic amplitude magnif

Valves and valve actuation – Fluid actuated or retarded – Flexible wall expansible chamber reciprocating valve actuator

Electrically actuated pneumatically operated valve assembly

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

Electrically actuated valve assembly

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

Electrically controlled proportional valve

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

Electrically-controlled fuel injector

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

Electrically-operated control valve and water distribution syste