LandOfFree - US Patents - Listing for Valves and valve actuation

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

Opening/closing mechanism for vacuum processing apparatus...

Valves and valve actuation – Mechanical movement actuator – Linkage

Opening/shutting apparatus for flow control

Valves and valve actuation – Detachable actuator – Rotary valve

Operating device and valve system

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

Operating device for a cylindrical gate

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

Operating handle for bottom operated railway tank car valve

Valves and valve actuation – With correlated flow path – Tank

Operating handle for bottom operated railway tank car valve

Valves and valve actuation – With correlated flow path – Tank

Operating handle for bottom operated tank car valve having movab

Valves and valve actuation – Hermetic flexible wall seal for actuator

Operating mechanism for a high-pressure valve having a valve pas

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

Operating mechanism for valves, gates and the like

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

Operating oil introduction type electromagnetic valve

Valves and valve actuation – With means for blocking or disabling actuator – Attachments

Operator assist device for vehicular air brake actuation

Valves and valve actuation – Mechanical movement actuator – Gear

Operator for a gate valve

Valves and valve actuation – Rotary valves – Ball valve

Opposed blade balanced damper

Valves and valve actuation – With selective flow regulation – Rotary

Orifice assembly for gas metering device

Valves and valve actuation – With selective flow regulation – Different sized bores in valve head

Orifice assembly for gas metering device

Valves and valve actuation – With selective flow regulation

Orifice unit of a needle valve

Valves and valve actuation – With selective flow regulation – Rotary

Orifice valve assembly

Valves and valve actuation – Reciprocating valve – Gate

Orifice valve for bulk solids

Valves and valve actuation – With correlated flow path – With mounting or support

Oscillating slide valve