Method and system of a valve

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United States of America Patent

PATENT NO 9695949
SERIAL NO

14692913

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Valves. At least some of the example valves include: a valve body; a valve housing; and a piston that defines a proximal end and a distal end, the piston disposed in a piston bore of the valve housing. The valve defines a closed orientation by a first rotational orientation of the valve housing relative to the valve body, and the valve defines an open orientation by a second rotational orientation of the valve housing distinct from the first rotational orientation.

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Patent Owner(s)

  • PGS GEOPHYSICAL AS

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Elvestad, Karl Petter Troegstad, NO 12 108
Malling, Michael Oslo, NO 6 22

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