Secondary circulation system

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United States of America Patent

PATENT NO 4682581
SERIAL NO

06828985

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Abstract

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A domestic hot water system in which the remote end forms a loop connected to the hot water tank and in which a pump circulates hot water at a rate sufficient to prevent cooling of the water in the piping below a predetermined temperature, so that hot water can flow immediately out of all outlets.

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Patent Owner(s)

  • J. CASHEW, JR. TRUST U/A DTD OCTOBER 7, 1993

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Laing, Birger Hofener Weg 35, 7148 Remseck 2-Aldingen, DE 2 51
Laing, Doerte Hofener Weg 35, 7148 Remseck 2-Aldingen, DE 5 56
Laing, Karsten 3970 Honeycutt St., San Diego, CA 92109 51 423

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