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. 27, 2015
Filed:
Oct. 26, 2012
Mann+hummel Gmbh, Ludwigsburg, DE;
Andrés Moreno Linares, Sindelfingen, DE;
Florentin Van Uffelen, Ludwigsburg, DE;
Silke Miess, Ludwigsburg, DE;
Gerhard Seidler, Sindelfingen, DE;
Marco Goedecke, Freiberg, DE;
MANN + HUMMEL GMBH, Ludwigsburg, DE;
Abstract
A filter element () and a filter device (). The filter element () can be arranged in a filter housing () of the filter device. The filter element () has an annular closed filter medium () connected with at least at one end face with an end member (). An annular anti-drain membrane () opens and closes at least one fluid opening () of the filter housing () and is arranged on the side of the at least one end member () that is facing away from the filter element (). The surface of the contact section () of the anti-drain membrane () has at least one relief-like adhesion disturbance area () for disturbing an adhesion of the anti-drain membrane () to the contact section ().