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:
Mar. 27, 2012
Filed:
Apr. 25, 2008
Applicants:
Chetan Ponnathpur, Columbus, IN (US);
Thomas M. Yonushonis, Columbus, IN (US);
Javier Franco, Columbus, IN (US);
Inventors:
Chetan Ponnathpur, Columbus, IN (US);
Thomas M. Yonushonis, Columbus, IN (US);
Javier Franco, Columbus, IN (US);
Assignee:
Cummins Filtration IP, Inc., Minneapolis, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pre-catalyst device configured to be disposed upstream of a main aftertreatment device of an engine exhaust system. An oxidizing material is disposed on an inlet face of the pre-catalyst device, where the oxidizing material is configured to oxidize engine exhaust before the engine exhaust reaches the main aftertreatment device of the engine exhaust system.