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. 01, 2021
Filed:
Dec. 14, 2016
Applicant:
Smith International, Inc., Houston, TX (US);
Inventors:
Yahua Bao, Orem, UT (US);
John Daniel Belnap, Lindon, UT (US);
Assignee:
SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/42 (2006.01); E21B 10/48 (2006.01); E21B 10/54 (2006.01); E21B 10/55 (2006.01); E21B 10/567 (2006.01); E21B 10/573 (2006.01); E21B 10/58 (2006.01); B23P 15/28 (2006.01);
U.S. Cl.
CPC ...
E21B 10/55 (2013.01); E21B 10/42 (2013.01); E21B 10/485 (2013.01); E21B 10/54 (2013.01); E21B 10/5676 (2013.01); E21B 10/573 (2013.01); E21B 10/58 (2013.01); B23P 15/28 (2013.01);
Abstract
A cutting bit includes a body, a plurality of blades, and at least one ultrahard insert cast directly into at least one of the plurality of blades. The ultrahard insert is positioned with a rear face directly contacting the blade.