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. 12, 2016
Filed:
Nov. 26, 2012
Applicant:
Smith International, Inc., Houston, TX (US);
Inventors:
J. Daniel Belnap, Lindon, UT (US);
Georgiy Voronin, Orem, UT (US);
Peter T. Cariveau, Spring, TX (US);
Assignee:
SMITH INTERNATIONAL, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/55 (2006.01); E21B 10/46 (2006.01); B24D 3/06 (2006.01); B24D 99/00 (2010.01); E21B 10/573 (2006.01);
U.S. Cl.
CPC ...
E21B 10/46 (2013.01); B24D 3/06 (2013.01); B24D 99/005 (2013.01); E21B 10/573 (2013.01);
Abstract
A cutting element having a substrate, an abrasive layer mounted to the substrate at an interface, and a longitudinal axis extending through the abrasive layer and the substrate is disclosed, wherein the substrate has a binder material, a plurality of metal carbide grains bonded together by an amount of the binder material, and at least one binder gradient, and wherein the amount of binder material decreases along at least one direction to form the at least one binder gradient.