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:
Sep. 04, 2001
Filed:
Jul. 02, 1999
Applicant:
Inventors:
Frederick A. Schwartz, Woodbury, TN (US);
Mary Helen McCay, Monteagle, TN (US);
T. Dwayne McCay, Monteagle, TN (US);
Narendra B. Dahotre, Tullahoma, TN (US);
John Brice Bible, South Pittsburg, TN (US);
John A. Hopkins, Tullahoma, TN (US);
Assignee:
The University of Tennessee Research Corporation, Knoxville, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 4/06 ;
U.S. Cl.
CPC ...
C23C 4/06 ;
Abstract
This invention relates to a method of using a laser to produce alloyed bands or strips on the surface of a piston for an internal combustion engine. More specifically, the present invention relates to a laser alloying method to produce superior wear resistant properties for an aluminum internal combustion engine piston.