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. 27, 2013
Filed:
Aug. 10, 2011
Applicants:
Jochen Linhart, Schwaikheim, DE;
Sabine Otterbach, Bietigheim-Bissingen, DE;
Kathrin Lichtenwalter, Gerlingen, DE;
Inventors:
Jochen Linhart, Schwaikheim, DE;
Sabine Otterbach, Bietigheim-Bissingen, DE;
Kathrin Lichtenwalter, Gerlingen, DE;
Assignee:
Mann+Hummel GmbH, Ludwigsburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 39/14 (2006.01); B01D 39/06 (2006.01); B01D 24/00 (2006.01); B01D 50/00 (2006.01); F01N 3/00 (2006.01); B01J 23/10 (2006.01); B01J 23/32 (2006.01); F01N 3/10 (2006.01); F01N 3/08 (2006.01); F02P 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method for producing a ceramic filter element in an exhaust gas filter for an internal combustion engine, in particular a diesel particulate filter, wherein a base paper carrier web is soaked with a ceramic slip and then burnt out. The base paper carrier web uses a thickness and/or structure that varies over the width and/or length of the base paper carrier web.