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:
Feb. 12, 2008
Filed:
Jun. 01, 2005
Applicants:
Martin Mockenhaupt, Buffalo Grove, IL (US);
Lance Heiser, Naperville, IL (US);
Joseph Ulrich, Lisle, IL (US);
Inventors:
Martin Mockenhaupt, Buffalo Grove, IL (US);
Lance Heiser, Naperville, IL (US);
Joseph Ulrich, Lisle, IL (US);
Assignee:
Dana Corporation, Toledo, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 7/10 (2006.01); F16J 15/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multi-piece exhaust manifold includes a ring seal between separate portions. The separate portions have generally cylindrical sealing surfaces formed thereon to mate with the ring seal. The ring seal may include a metal sheath filled with graphite or other sealing material.