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

Butterfly valve

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

Butterfly valve

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

Butterfly valve

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

Butterfly valve and drive mechanism for rotation and reciprocati

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

Butterfly valve having improved sealing characteristics

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

Cam-actuated split ball valve

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

Changover valve

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

Closing system for controlling a flow with precision

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

Closure device for a liquid-carrying pipe

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

Closure device for vacuum closure of at least one opening in...

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

Cock for controlling the heating system of a motor vehicle

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

Compact expanding gate valve

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

Compact gate valve

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

Control valve device

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

Control valve with detachable descrete curtain valve assembly

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

Controlled float seat arrangement for expanding gate valves

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

Device for closing an opening of a tank or a tubular conduit

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

Dished disc free-disc butterfly valve

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

Double disk gate assembly for block and bleed type valves