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 – Seat pressed to valve

Eccentric rotary disk valve with elastic metal seal

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

Electrical grounding assembly for control valve

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

Electronic motorized zone valve

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

Elliptical sealing surface for butterfly valve

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

Elliptical sealing surface for butterfly valve

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

End entry ball valve with seal wear compensation and force isola

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

Expanding gate valve

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

Expanding gate valve

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

Expanding gate valve

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

Expanding gate valve

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

Expanding gate valve assembly

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

Expanding gate valve assembly

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

Expanding gate valve assembly

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

Expanding gate valve assembly

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

Expanding gate valve with axially flexed spring plate

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

Expanding gate valve with position responsive interlock

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

Expanding valve assembly

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

Expansible device

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

Expansible plug valve