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. 26, 2002
Filed:
Aug. 11, 1999
Applicant:
Inventor:
Dan T. Moore, III, Cleveland Heights, OH (US);
Assignee:
Soundwich, Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 7/10 ;
U.S. Cl.
CPC ...
F01N 7/10 ;
Abstract
An exhaust manifold for conducting heated exhaust gas from an internal combustion engine to an exhaust system. The exhaust manifold includes a preform and a metal layer enclosing the preform. The preform has an inner layer of silicon carbide, a middle layer of insulating material, and an outer layer to seal the middle layer from molten metal used to form the metal layer.