One-piece fintube solar heating element

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United States of America Patent

PATENT NO 9718111
SERIAL NO

13396304

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A fintube includes a body having a first fin, a second fin and a tube section. A first overlap fold is provided between the first fin and the tube section. The first overlap fold includes an open groove. A second overlap fold is provided between the second fin and the tube section. A seam includes a second overlap fold received and held in the groove of the first overlap fold. Methods for making a fintube are also disclosed.

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Patent Owner(s)

Patent OwnerAddress
EATON DOUGLAS WNot Provided

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eaton, Douglas W Lexington, US 5 98

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