Pipe arrangement

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8167027
SERIAL NO

12076767

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A pipe arrangement for geothermal probes includes at least two pipes having at least one layer each that surrounds a lumen. One of the pipes functions as inflow pipe and the other pipe functions as return flow pipe. At least one of the pipes is produced at least in part from a non cross-linked polymer material and is distinguished in that the polymer material of the at least one layer for the pipes has a FNCT value (full notched creep test) according to ISO 16770 of at least 3000 hours.

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Patent Owner(s)

  • REHAU AG & CO.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liebel, Volker Erlangen, DE 3 10

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