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:
Aug. 22, 2017
Filed:
Apr. 26, 2012
Youhe Zhang, Spring, TX (US);
Yuelin Shen, Spring, TX (US);
Yuri Burhan, Spring, TX (US);
Jibin Shi, Spring, TX (US);
Youhe Zhang, Spring, TX (US);
Yuelin Shen, Spring, TX (US);
Yuri Burhan, Spring, TX (US);
Jibin Shi, Spring, TX (US);
SMITH INTERNATIONAL, INC., Houston, TX (US);
Abstract
A cutting element may have a substrate; and an ultrahard material layer having a substantially planar upper surface disposed on an upper surface of the substrate; wherein at least a portion of the side surface between the upper surface of the substrate and a lower end of the substrate form at least one conic surface, wherein the at least one conic surface extends a height relative to the total height of the substrate and ultrahard material layer ranging from about 1:10 to 9:10, and wherein the substrate comprises a substantially planar lower surface. The cutting elements may also be rotatable cutting elements at least partially surrounded by outer support elements.