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:
Nov. 12, 2019
Filed:
Mar. 29, 2017
Applicant:
Smith International, Inc., Houston, TX (US);
Inventors:
Jibin Shi, Spring, TX (US);
Youhe Zhang, Spring, TX (US);
Assignee:
Smith International, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/573 (2006.01); E21B 10/46 (2006.01); E21B 10/43 (2006.01); B23P 15/28 (2006.01); E21B 10/08 (2006.01);
U.S. Cl.
CPC ...
E21B 10/573 (2013.01); B23P 15/28 (2013.01); E21B 10/08 (2013.01); E21B 10/43 (2013.01); E21B 10/46 (2013.01);
Abstract
A cutting tool has a tool body, a plurality of blades extending radially from the tool body, at least one pocket in the plurality of blades, and at least one rolling element in the at least one pocket. The cutting tool may be a drill bit, with at least one rolling element in a pocket in a blade of the drill bit and at least partially exposed to the formation to be drilled.