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:
Aug. 15, 2017
Filed:
Feb. 12, 2014
Mahle International Gmbh, Stuttgart, DE;
Uwe Grass, Stuttgart, DE;
Markus Preissinger, Leonberg, DE;
Mahle International GmbH, Stuttgart, DE;
Abstract
A filter appliance may include a filter housing and a ring filter element having an axis and being mountable in the filter housing. The filter element may include a first axial end disc having a protruding pin configured to engage into a channel of the filter housing. The filter housing may have an interior including a first region and the ring filter element may include a second region associated with the first region. A guide contour may be arranged on one of the first region and the second region, and a first guide element and a second guide element may be disposed on the other of the first region and the second region. The guide contour may include a first axial groove and a second axial groove configured to receive the first guide element and the second guide element to define a key and lock interaction.