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:
Jun. 09, 1998
Filed:
May. 31, 1996
Applicant:
Inventors:
Gerhard Schuez, Voehringen, DE;
Manfred Knab, Dornstadt-Bollingen, DE;
Assignee:
Wieland-Werke AG, Ulm, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P / ;
U.S. Cl.
CPC ...
29890048 ; 29727 ;
Abstract
A metallic finned tube, in particular for heat exchangers, which includes multiple integral fins helically extending on the outside, with the n fin run starts starting at the start of the tube and are evenly distributed around the tube periphery. The finned tube has a number of fin run starts n.gtoreq.4 with at least one group having at least two side-by-side oriented fin run starts (A.sub.1, A.sub.2 or rather A.sub.3, A.sub.4 . . . ).