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:
Jun. 17, 2008
Filed:
Feb. 15, 2006
Michael Wolf, Neunkirchen, DE;
Joachim Stinzendoerfer, Speyer, DE;
Karlheinz Muenkel, Oberderdingen-Flehingen, DE;
Ralf Bauder, Ketsch, DE;
Norbert Maurer, Speyer, DE;
Michael Wolf, Neunkirchen, DE;
Joachim Stinzendoerfer, Speyer, DE;
Karlheinz Muenkel, Oberderdingen-Flehingen, DE;
Ralf Bauder, Ketsch, DE;
Norbert Maurer, Speyer, DE;
Mann & Hummel GmbH, Ludwigsburg, DE;
Abstract
An oil filter for an internal combustion engine with a cup-shaped housing that is releasably connectable to a receiving head. The housing has a first interlocking element that extends across at least a portion of the outer circumference of the housing and is interrupted by at least one axially extending recess. The filter element has a liquid-tight canister provided on its outer surface with second interlocking elements, which fit into the recesses of corresponding first interlocking elements when the filter element is installed in the housing.