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. 25, 1996
Filed:
Jun. 08, 1994
Applicant:
Inventors:
Dale L Hartsock, Livonia, MI (US);
Larry V Reatherford, Warren, MI (US);
Ernest D Stiles, St. Clair Shores, MI (US);
Matthew J Zaluzec, Canton, MI (US);
Assignee:
Ford Motor Company, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
181240 ; 428685 ;
Abstract
An automotive exhaust manifold is fabricated from stainless steel sheet metal of thin dense gauge, and provided with an outer coating of less dense stainless steel or other suitable material spray bonded to it to provide an irregular surface of non-uniform cross-section with a large surface area to damp the transmission of sound waves from the manifold.