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:
Oct. 05, 2010
Filed:
Aug. 09, 2007
Matthew L. Anderson, Columbus, IN (US);
Thomas M. Yonushonis, Columbus, IN (US);
William C. Haberkamp, Cookeville, TN (US);
Z. Gerald Liu, Madison, WI (US);
Bryan E. Blackwell, Brownsburg, IN (US);
Roger D. England, Charleston, SC (US);
Matthew P. Henrichsen, Apple Valley, MN (US);
Matthew L. Anderson, Columbus, IN (US);
Thomas M. Yonushonis, Columbus, IN (US);
William C. Haberkamp, Cookeville, TN (US);
Z. Gerald Liu, Madison, WI (US);
Bryan E. Blackwell, Brownsburg, IN (US);
Roger D. England, Charleston, SC (US);
Matthew P. Henrichsen, Apple Valley, MN (US);
Cummins Filtration IP, Inc., Minneapolis, MN (US);
Abstract
Modified exhaust aftertreatment filters for filtering engine exhaust are provided as are methods of design and manufacturing modified exhaust aftertreatment filters. The modified filters are subject to reduced back pressure and reduced thermal gradients experienced during regeneration as compared to unmodified filters. The modified filters include flow-through channels obtained by unplugging channels which normally are plugged in an unmodified filter.