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. 02, 2005
Filed:
Jul. 19, 2001
Georg Huthwohl, Soest, DE;
Bernd Maurer, Balve, DE;
Bernd Krutzsch, Denkendorf, DE;
Günter Wenninger, Stuttgart, DE;
Georg Huthwohl, Soest, DE;
Bernd Maurer, Balve, DE;
Bernd Krutzsch, Denkendorf, DE;
Günter Wenninger, Stuttgart, DE;
PUReM Abgassysteme GmbH & Co. KG, Menden, DE;
Abstract
A filter assembly for an exhaust gas purification system of an internal combustion engine. The filter assembly, has porous filter plate elements, connected with each other on their outer as well as on their inner peripheries, forming in pairs as filter pockets. Catalytic agents such as ammonia are applied to the filter pockets on the outer and/or inner sides to oxidize carbon black contained in the combustion gas. In particular, this filter assembly is compact and can be used for diesel engines of motor vehicles.