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:
Jul. 11, 2000
Filed:
Oct. 07, 1997
Applicant:
Inventors:
Geoffrey Dearnaley, San Antonio, TX (US);
James Lankford, Jr, San Antonio, TX (US);
James H Arps, San Antonio, TX (US);
Assignee:
Southwest Research Institute, San Antonio, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428623 ; 428627 ; 428213 ; 428628 ; 428698 ; 428634 ; 51295 ;
Abstract
The present invention provides metal working tools with metal working surfaces bearing a coating of diamond-like carbon that is strongly adhered to the surface via the following gradient: metal alloy or cobalt-cemented tungsten carbide base; cobalt or metal-silicide and/or cobalt or metal-germanide; silicon and/or germanium; silicon carbide and/or germanium carbide; and, diamond-like carbon.
Dearnaley, Geoffrey. (2000). Application of diamond-like carbon coatings to cutting surfaces of metal (U.S. Patent No. 6087025). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6087025
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile