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:
Jan. 31, 2017
Filed:
Nov. 18, 2013
Applicant:
Kennametal Inc., Latrobe, PA (US);
Inventors:
David A. Lee, Ligonier, IN (US);
Heidi Lynette de Villiers-Lovelock, Swindon, GB;
Danie Jacobus Dewet, Kingston, CA;
James B. C. Wu, St. Louis, MO (US);
Assignee:
KENNAMETAL INC., Latrobe, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 4/06 (2016.01); C23C 4/02 (2006.01);
U.S. Cl.
CPC ...
C23C 4/065 (2013.01); C23C 4/02 (2013.01); C23C 4/06 (2013.01); C23C 4/067 (2016.01); Y10T 428/12056 (2015.01);
Abstract
A multilayer, wear- and corrosion-resistant coating on a metal substrate comprising a first metal coating layer comprising a composite carbide material; a second metal coating layer over the first metal coating layer comprising at least about 50 wt % of a metal selected from the group consisting of Co, Ni, and Fe; and a surface metal coating layer comprising a cemented carbide material having a third-layer carbide material and a third-layer Co-based or Ni-based binder material.