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:
Sep. 15, 2020
Filed:
Aug. 29, 2016
Applicant:
Smith International, Inc., Houston, TX (US);
Inventors:
Assignee:
SMITH INTERNATIONAL, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/42 (2006.01); E21B 10/55 (2006.01); E21B 10/567 (2006.01); E21B 10/62 (2006.01);
U.S. Cl.
CPC ...
E21B 10/42 (2013.01); E21B 10/567 (2013.01); E21B 10/5673 (2013.01);
Abstract
A downhole cutting tool includes a tool body defining a cutter pocket and a rolling cutter having an inner rotatable cutting element and a sleeve in the cutter pocket, where axial movement of the inner rotatable cutting element is limited by an external retention element disposed outside of the sleeve.