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:
Jul. 20, 2004
Filed:
Mar. 03, 2003
Applicant:
Inventor:
Shi-Wai S. Cheng, Troy, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 2/956 ;
U.S. Cl.
CPC ...
B01D 2/956 ;
Abstract
A particulate filter for an exhaust system having an exhaust flow and a nominal flow area includes a housing and a plurality of plates arranged parallel to each other within the housing. Each plate has a plurality of orifices and a plurality of micropockets configured to trap exhaust particulates.