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. 11, 2008
Filed:
Aug. 29, 2003
Applicants:
Graham F. Thieman, Columbus, IN (US);
Michael D. Virtue, Pontiac, MI (US);
David H. Pope, Columbus, IN (US);
John D. Warren, Columbus, IN (US);
Inventors:
Graham F. Thieman, Columbus, IN (US);
Michael D. Virtue, Pontiac, MI (US);
David H. Pope, Columbus, IN (US);
John D. Warren, Columbus, IN (US);
Assignee:
Arvin Technologies, Inc., Troy, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 50/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An emission abatement device comprises a hydrocarbon trap, a 3-way catalyst downstream from the hydrocarbon trap, and a valve movable to control flow of exhaust gas to the hydrocarbon trap and the 3-way catalyst.