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:
Sep. 02, 2014
Filed:
Dec. 04, 2008
Uwe Grass, Stuttgart, DE;
Mike Schmid, Tübingen, DE;
Andreas Widmaier, Herrenberg, DE;
Mahle International GmbH, , DE;
Abstract
An oil purifying liquid filter, having an annular ring element receiving space, wherein the ring element has two axial end disks, a cover selectively fastened to a housing to close the receiving space, an inlet that is formed within the housing on a crude side, an outlet that is formed within the housing on a pure side, a first additional opening that is formed within the housing, a second additional opening that is formed within the cover, a first closure that is formed on the first end disk of the filter element in order to close the first additional opening, and a second closure that is formed on the second end disk of the filter element to selectively close the second additional opening.