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.

Date of Patent:
Jan. 12, 2010

Filed:

Dec. 18, 2006
Applicants:

Johannes Lampert, Remseck, DE;

Andreas Pelz, Markroeningen, DE;

Josef Rohrmeier, Laberweinting, DE;

Thomas Sieber, Marklkofen, DE;

Mario Rieger, Freiberg, DE;

Inventors:

Johannes Lampert, Remseck, DE;

Andreas Pelz, Markroeningen, DE;

Josef Rohrmeier, Laberweinting, DE;

Thomas Sieber, Marklkofen, DE;

Mario Rieger, Freiberg, DE;

Assignee:

Mann & Hummel GmbH, Ludwigsburg, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 31/00 (2006.01); B23P 15/00 (2006.01); B01D 46/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A filter element () wound from a plurality of filter layers in which the circumferential contour (') of a cross-sectional area () of the filter element () has at least one circumferential contour section (′) undercutting the envelope contour (′) of the cross-sectional filter element area ().


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