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

Valve operator

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

Valve operator control system

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

Valve operator for a plug-type valve

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

Valve operators

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

Valve override mechanism

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

Valve positioner and method of making same

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

Valve positioner and method of making the same

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

Valve positioner and method of making the same

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

Valve seat for piston-type flushometer

Valves and valve actuation – Fluid actuated or retarded – Dashpot or fluid controlled retarder or timer

Valve seating control device with variable area orifice

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

Valve snubber

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

Valve spool positioner

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

Valve spring mechanism

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

Valve structure

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

Valve structure

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

Valve system and method

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

Valve system for a hydraulically controlled starting friction cl

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

Valve system for fluid pipes

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

Valve system with adjustable seating force