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

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

Arrangement in closing valves

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

Ball cock

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

Ball plug valve

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

Ball plug valve

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

Ball type valve with high pressure sealing capability

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

Ball type valve with high pressure sealing capability

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

Ball valve

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

Ball valve

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

Ball valve

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

Ball valve

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

Ball valve

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

Ball valve and actuator for operating valves and the like

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

Ball valve having retractable sealing member

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

Ball valve mechanism

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

Ball valve with cartridge

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

Ball valve with retractable seals and method of replacement...

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

Ball valve with rotary-translatory movement for fluid products a

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

Butterfly flap valve

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

Butterfly valve