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:
Jun. 08, 1999
Filed:
Sep. 17, 1997
Applicant:
Inventors:
Michael Ralph Foster, Columbiaville, MI (US);
Gerald Leroy Vaneman, Grand Blanc, MI (US);
Jesse Allan Heather, Swartz Creek, MI (US);
Dana Michael Serrels, Davison, MI (US);
David Kwo-Shyong Chen, Rochester Hills, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B23P / ;
U.S. Cl.
CPC ...
29890 ; 29505 ;
Abstract
A method of manufacturing an oval shaped catalytic converter that reduces the amount of material and number of parts that are required for permitting the catalytic converter to treat the exhaust gases of an internal combustion engine and also improves the structural durability of the converter for high temperature applications by maintaining a higher mat density along the minor axis of the converter housing.