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. 10, 2012
Filed:
Mar. 31, 2010
Yuelin Shen, Houston, TX (US);
Youhe Zhang, Spring, TX (US);
Zhou Yong, Spring, TX (US);
Jiaqing Yu, Houston, TX (US);
Madapusi K. Keshavan, The Woodlands, TX (US);
Yuelin Shen, Houston, TX (US);
Youhe Zhang, Spring, TX (US);
Zhou Yong, Spring, TX (US);
Jiaqing Yu, Houston, TX (US);
Madapusi K. Keshavan, The Woodlands, TX (US);
Smith International, Inc., Houston, TX (US);
Abstract
A cutting element for a drill bit that includes an outer support element having at least a bottom portion and a side portion; and an inner rotatable cutting element, a portion of which is disposed in the outer support element, wherein the inner rotatable cutting element includes a substrate and a diamond cutting face having a thickness of at least 0.050 inches disposed on an upper surface of the substrate; and wherein a distance from an upper surface of the diamond cutting face to a bearing surface between the inner rotatable cutting element and the outer support element ranges from 0 to about 0.300 inches is disclosed.