LandOfFree - US Patents - Listing for Valves and valve actuation

Valves and valve actuation – Reciprocating valve – Gate

Wedge sluice valve

Valves and valve actuation – With correlated flow path – Tank

Wedgeball valve

Valves and valve actuation – Reciprocating valve – Diaphragm

Weir-type diaphragm valve with raised arcuate bead

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

Weirless diaphragm valve

Valves and valve actuation – Balanced valves – Reciprocating

Welding gun cylinder with control valve

Well blowout preventer packer assembly and packer modules theref

Well blowout preventer, and packing element

Well blowout preventer, and packing element

Well blowout preventer, and packing element

Valves and valve actuation – With friction detent

Well bottom release valve

Well shut off device

Valves and valve actuation – With correlated flow path – Valve operated by joining flow path sections

Wellhead connector with check valve

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

Wellhead flow control devices

Valves and valve actuation – Blow-out preventers – Radial reciprocating ram

Wellhead production blowout preventer

Valves and valve actuation – Blow-out preventers – Radial reciprocating ram

Wellhead production blowout preventer ram

Valves and valve actuation – With correlated flow path – Valve operated by joining flow path sections

Wet well valve

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

Wide flow range proportional flow valve

Valves and valve actuation – With selective flow regulation – Rotary

Wide range proportional flow control valve

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

Wide-ranging valve