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:
May. 14, 2019
Filed:
Feb. 03, 2015
Smith International, Inc., Houston, TX (US);
Chen Chen, New Haven, CT (US);
Huimin Song, Spring, TX (US);
Liang Zhao, Katy, TX (US);
Youhe Zhang, Spring, TX (US);
Michael G. Azar, The Woodlands, TX (US);
Xiaoge Gan, Houston, TX (US);
Madapusi K. Keshavan, The Woodlands, TX (US);
Zhijun Lin, The Woodlands, TX (US);
Bala Durairajan, Sugar Land, TX (US);
Michael L. Stewart, Spring, TX (US);
SMITH INTERNATIONAL, INC., Houston, TX (US);
Abstract
A cutting element may include a substrate, an upper surface of the substrate including a crest, the crest transitioning into a depressed region, and an ultrahard layer on the upper surface, thereby forming a non-planar interface between the ultrahard layer and the substrate. A top surface of the ultrahard layer includes a cutting crest extending along at least a portion of a diameter of the cutting element, the top surface having a portion extending laterally away from the cutting crest having a lesser height than a peak of the cutting crest.