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:
Jun. 09, 2009
Filed:
Feb. 07, 2006
Applicants:
J. Daniel Belnap, Pleasant Grove, UT (US);
Lynn Belnap, American Fork, UT (US);
Christopher A. Tucker, Provo, UT (US);
Inventors:
J. Daniel Belnap, Pleasant Grove, UT (US);
Lynn Belnap, American Fork, UT (US);
Christopher A. Tucker, Provo, UT (US);
Assignee:
Smith International, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drill bit including at least one stress-relieved cutting element, wherein the at least one cutting element is mounted on the drill bit, wherein the stress-relieved cutting element includes a substrate, at least one transition layer disposed upon the substrate and a polycrystalline diamond layer having a thickness of at least 0.008 inches disposed upon the at least one transition layer.