LandOfFree - US Patents - Listing for Valves and valve actuation

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

Dual-cylinder blowout preventer operator system

Valves and valve actuation – Electrically actuated valve – With nonelectrical actuator

Dual-latching solenoid-actuated valve assembly

Valves and valve actuation – Valve – Materials

Dual-layer sintered valve seat ring

Valves and valve actuation – With correlated flow path – Tank

Dually-operated tank car bottom unloading valve

Valves and valve actuation – Sequential opening or closing of serial ports in single flow...

Dump valve

Valves and valve actuation – With means for blocking or disabling actuator – Released by non-valving actuator motion

Dump valve assembly

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 – With correlated flow path – Pipe side

Dust collection blast gate with mount

Valves and valve actuation – Mechanical movement actuator – Screw

Dynamic double action valve

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

Dynamic metal-to-metal seal

Valves and valve actuation – Electrically actuated valve – Including solenoid

Dynamic response time for electromagnetic valving

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

Dynamically stable flow amplifying poppet valve