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:
Oct. 14, 2014
Filed:
Jan. 09, 2012
Applicants:
Uwe Felber, Absteniach, DE;
Ulrich Stahl, Laudenbach, DE;
Claudio Marin, Heidelberg, DE;
Inventors:
Assignee:
Carl Freudenberg KG, Weinheim, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 46/00 (2006.01); B01D 46/42 (2006.01); B01D 46/52 (2006.01); B01D 46/24 (2006.01);
U.S. Cl.
CPC ...
B01D 46/2411 (2013.01); B01D 46/42 (2013.01); B01D 2265/026 (2013.01); B01D 46/521 (2013.01);
Abstract
A filter element includes a holding frame with an intake opening, an air intake disposed on the intake opening, and an anti-twist mechanism configured such that the filter element is only insertable into a filter housing in one position. The anti-twist mechanism includes a body with two asymmetrically configured recesses extending along a longitudinal axis of the holding frame. The filter element also includes two bellows disposed on the holding frame, the bellows and holding frame delimiting a cavity.