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:
Nov. 04, 2003
Filed:
Jul. 18, 2002
Applicant:
Inventor:
Bernhard Lamich, Esslingen, DE;
Assignee:
Modine Manufacturing Company, Racine, WI (US);
Primary Examiner:
Int. Cl.
CPC ...
F28F 9/02 ;
U.S. Cl.
CPC ...
F28F 9/02 ;
Abstract
An economically formed tube of rectangular or oval-like cross section and with a corrugated internal fin includes spaced, relatively long side wall sections joined at their ends by relatively short end wall sections. An integral fin within the tube has crests and valleys defining a plurality of flow paths within the tube and is formed of a corrugated section of a strip employed to form one of the side walls and at least part of both of the end walls.