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. 22, 2020
Filed:
Nov. 24, 2016
Applicant:
Smith International, Inc., Houston, TX (US);
Inventors:
Yahua Bao, Orem, UT (US);
Yi Fang, Orem, UT (US);
Haibo Zhang, Lindon, UT (US);
John Daniel Belnap, Lindon, UT (US);
Youhe Zhang, Spring, TX (US);
Assignee:
SMITH INTERNATIONAL, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/55 (2006.01); E21B 10/56 (2006.01); E21B 10/567 (2006.01);
U.S. Cl.
CPC ...
E21B 10/55 (2013.01); E21B 10/56 (2013.01); E21B 10/567 (2013.01);
Abstract
A cutting element has an ultrahard layer on a substrate, the ultrahard layer having a non-planar working surface. The non-planar working surface is formed from a first region and a second region, where the first region encompasses at least a cutting edge or tip of the cutting element and has a differing composition than the second region.