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

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Multi-way rotary valve for a fluid under pressure

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Non-sliding vacuum gate valve

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

Patent

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Non-spherical ball valve

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

Patent

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Operating mechanism for valves, gates and the like

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Pipe valve assembly with metal valve slide for high vacuum insta

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Plug valve

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Plug valve with cam actuated seal means

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

Reexamination Certificate

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Plug-valve having a plug assembly with retractible seals that ca

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

Patent

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Press disc valve

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

Patent

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Quarter-turn rotary plug valve with seats reciprocable...

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Radial-directed fluid-pressure-loaded all-metal-sealed gate valv

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Reciprocating expandable gate valve

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

Patent

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Retractable-gasket valve having two stiffnesses

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Retracting ring seal valve

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary barrel gate valve

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary disk valve

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary flow control apparatus

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary plug valve

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary valve

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary valve with pressure urged sealing member

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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