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:
Jan. 31, 2017
Filed:
Dec. 04, 2008
Applicants:
Uwe Grass, Stuttgart, DE;
Mike Schmid, Tübingen, DE;
Andreas Widmaier, Herrenberg, DE;
Inventors:
Assignee:
Mahle International GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 35/04 (2006.01); B01D 35/153 (2006.01);
U.S. Cl.
CPC ...
B01D 35/153 (2013.01); B01D 2201/4007 (2013.01); B01D 2201/4046 (2013.01); B01D 2201/52 (2013.01);
Abstract
A filter device having a filter element received in a filter housing, the filter housing has an inlet and an outlet. The filter element separates a crude chamber that communicates with the inlet from a pure chamber that communicates with the outlet. The filter element has an axially and eccentrically projecting plug, which in an inserted state, is plugged into a plug receptacle formed within the filter housing, and wherein at least one signal generator recognizes at least one of a presence and an absence of the plug in the plug receptacle, generating at least one signal.