Pipe, piping system, radiant heating system, and kit

Fluid handling – With heating or cooling of the system – Circulating fluid in heat exchange relationship

Reexamination Certificate

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Details

C137S315010, C137S335000, C137S559000, C137S565010, C138S110000, C237S00900A, C251S368000

Reexamination Certificate

active

06935361

ABSTRACT:
A pipe, piping system, kit, and radiant heating system that include lengths of cross-linked polyethylene pipe, which form connections between flow components. Some embodiments utilize a sheath disposed about the outside of the cross-linked polyethylene pipe to enhance rigidity.

REFERENCES:
patent: 2781174 (1957-02-01), Smith
patent: 3873022 (1975-03-01), Hilgemann
patent: 4679729 (1987-07-01), Petitjean et al.
patent: 4750472 (1988-06-01), Fazekas
patent: 5931200 (1999-08-01), Mulvey et al.
patent: 6283157 (2001-09-01), Rocheleau

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