Two stage automatic shut off valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5010915
SERIAL NO

07534442

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A shut off valve assembly for preventing overfilling of an underground fuel storage tank or other storage tanks where the incoming flow is not metered, utilizes a two stage valve closure, the first stage closure signaling the tank is nearly filled to capacity and the second stage closure subsequently completely stopping flow into the tank.

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Patent Owner(s)

Patent OwnerAddress
FRANKLIN FUELING SYSTEMS INC3760 MARSH ROAD MADISON WI 53718

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Johnson, Bruce Muskegon, MI 158 3604
Whitney, Robert Grand Haven, MI 8 81

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