Pipe for utility or service systems

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United States of America Patent

PATENT NO 4646823
SERIAL NO

06737175

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An economical pipe for use in a utility or service system, particularly a circulating hot water supply system or a heat exchanger system requiring outgoing and incoming hot water paths. The pipe possesses a partition wall dividing it longitudinally into two ducts.

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Patent Owner(s)

Patent OwnerAddress
SPIRO RESEARCH B VHOLLAND HAIER HELMOND NORTH BRABANT

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Roffelsen, Franciscus Helmond, NL 15 117

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