Check valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9664296
SERIAL NO

14146713

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A check valve includes an internal liquid trap that prevents the backflow of gas and debris from degrading the valve. The internal liquid trap can be formed by internal passages within a valve housing. One embodiment includes three internal passages, an inlet passage, an intermediate passage, and an outlet passage, with connecting passages between each of the inlet passage and outlet package, and the intermediate package. In some embodiments, an internal trap is provided between the intermediate passage and the inlet passage.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
ROYS CURTISFREDERICKSBURG TX

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Roys, Curtis Kingsland, US 43 377

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