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:
May. 06, 2014
Filed:
Mar. 09, 2010
Applicant:
John R. Bucknell, Royal Oak, MI (US);
Inventor:
John R. Bucknell, Royal Oak, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 50/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An exhaust gas treatment device is disposed in an exhaust gas treatment system and comprises a rolled metal cylinder of corrugated metal sheet having longitudinally extending passages extending axially from an inlet end to an outlet end and a conduit disposed between layers of the rolled metal cylinder and configured for circulation of a heat transfer medium therethrough, the conduit extending axially and radially the rolled metal cylinder.