LandOfFree - US Patents - Listing for Valves and valve actuation,With means to increase head and seat contact pressure

Valves and valve actuation – With means to increase head and seat contact pressure – Separate actuators or actuator motion

Valve having mechanical closure assist

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

Valve mechanism for a control valve

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

Valve mechanism for a vacuum valve

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

Valve mechanism for a vacuum valve

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

Valve mechanism incorporating universal seat spring

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

Valve seal assemblies and methods

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

Valve seal assembly

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

Valve seal strip orifice fitting

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

Valve seal, including for duplex head

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

Valve sealing device

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

Valve seat

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

Valve seat

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

Valve seat and method

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

Valve seat assembly

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

Valve seat for ball valves

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

Valve seat ring having a corner groove to receive an elastic sea

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

Valve seat structure

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

Valve seat structure and assembly

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

Valve seats