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:
Aug. 23, 2005
Filed:
Nov. 14, 2002
Boney A. Mathew, Clarkston, MI (US);
Boney A. Mathew, Clarkston, MI (US);
Mathson Industries, Troy, MI (US);
Abstract
An exhaust manifold () of the present invention comprises a liner () that includes inner surface () defining manifold passages and an outer surface (). The exhaust manifold () includes a shell () of a homogeneous and continuous material disposed over the outer surface () of the liner (). The shell () and liner () of the exhaust manifold () include first () and second () composition formed from ferrous and non-ferrous metal powders (), ceramic powder (), and a binder () added thereto to form the manifold (). The invention discloses a method of making the exhaust manifold (). Accordingly, the exhaust manifold () of the subject invention has a reduced weight and dissipates heat energy contained in the exhaust thereby increasing the efficiency of the catalytic converter ().