Check-valve construction

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United States of America Patent

PATENT NO 4249567
SERIAL NO

05081132

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention contemplates a combined closure spring and upstop having particular application to check valves having multiple valve members. The invention is illustrated by one embodiment involving two valve members hinged on a single axis oriented diametrically of the valve-flow passage, and by another embodiment involving more than two valve members hinged on separate axes oriented tangentially of the valve-flow passage.

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Patent Owner(s)

  • AEROCONTROLEX GROUP, INC.;IMO INDUSTRIES, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Weiss, Paul D Eastlake, OH 3 44

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