The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 10, 2012
Filed:
Apr. 16, 2008
Applicant:
Edward G. Rottmann, Bowling Green, KY (US);
Inventor:
Edward G. Rottmann, Bowling Green, KY (US);
Assignee:
Luvata Franklin, Inc., Franklin, KY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 31/02 (2006.01); F28F 9/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
An aluminum heat exchanger having increased resistance to galvanic corrosion. The exterior of one end of the aluminum tube or connector is coated with a metal or metal alloy. This end is brazed onto a copper or copper alloy inlet or outlet tube. The metal or metal alloy coating inhibits the formation of galvanic corrosion.