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.:

US 7332246 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 19, 2008

Filed:

Sep. 06, 2002
Applicant:

Rolf Wiepen, Schwerte, DE;

Inventor:

Rolf Wiepen, Schwerte, DE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/02 (2006.01); H01M 2/02 (2006.01); H01M 6/00 (2006.01); H01M 10/00 (2006.01); H01M 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A galvanic element including at least one positive electrode in strip form, at least one negative electrode in strip form, at least one separator in strip form interposed between the positive and negative electrodes such that the separator and the electrodes are spirally rolled, and at least one disk-shaped current collector connected mechanically and electrically conductively to an edge portion of at least one of the electrodes, the current collector having more than one contact tab.


Find Patent Forward Citations

Loading…