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:
Dec. 15, 2009
Filed:
Dec. 14, 2006
Stefan Walz, Ludwigsburg, DE;
Pius Trautmann, Dingolfing, DE;
Andreas Pelz, Markgroeningen, DE;
Jobst Eisengraeber-pabst, Benningen, DE;
Stefan Walz, Ludwigsburg, DE;
Pius Trautmann, Dingolfing, DE;
Andreas Pelz, Markgroeningen, DE;
Jobst Eisengraeber-Pabst, Benningen, DE;
Mann + Hummel GmbH, Ludwigsburg, DE;
Abstract
A filter device for filtering air in internal combustion engines equipped with a filter that can be inserted into a filter housing and has a flame-retardant effect. The filter comprises a main filter element and an upstream filter fleece whereby the flame-retardant effect is achieved by the fleece prefilter.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile