LandOfFree - US Patents - Listing for Valves and valve actuation

Valves and valve actuation – With means to increase head and seat contact pressure – Fluid pressure

Balanced valve operated by the axial driving of a stem displacin

Valves and valve actuation – Electrically actuated valve – Remote or follow-up control system for electrical actuator

Balanced valve with actuator

Valves and valve actuation – Balanced valves – Reciprocating

Balanced, steam control valve assembly, and a plug-type valving

Valves and valve actuation – Mechanical movement actuator – Particularly packed or sealed

Balanced-plug cage style control valve and bonnet seal assembly

Valves and valve actuation – Mechanical movement actuator – Particularly packed or sealed

Balanced-plug cage style control valve and bonnet seal assembly

Valves and valve actuation – Mechanical movement actuator – Plural motions of valve

Balanced-torque butterfly valve

Valves and valve actuation – Rotary valves – Ball valve

Ball check valve

Valves and valve actuation – Rotary valves – Ball valve

Ball cock

Valves and valve actuation – With means to increase head and seat contact pressure – With positive reduction

Ball cock

Valves and valve actuation – Rotary valves – Ball valve

Ball cock of plastics material

Valves and valve actuation – With selective flow regulation – Rotary

Ball control valve

Valves and valve actuation – Electrically actuated valve – Freely rotatable ball valve

Ball guide for an electronically actuated control valve

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

Ball lock control valve actuation plunger - hydraulic type

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

Ball lock control valve actuation plunger-mechanical type

Valves and valve actuation – Detachable actuator – Rotary valve

Ball or plug valve stem extension and lock mechanism

Valves and valve actuation – With means to increase head and seat contact pressure – With positive reduction

Ball plug valve

Valves and valve actuation – With means to increase head and seat contact pressure – With positive reduction

Ball plug valve

Valves and valve actuation – Electrically actuated valve – Freely rotatable ball valve

Ball poppet valve having valve body widening in funnel shape

Valves and valve actuation – Rotary valves – Ball valve

Ball segment valve and ball segment valve arrangement