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. 29, 2026
Filed:
Feb. 25, 2025
Applicant:
Baker Hughes Oilfield Operations Llc, Houston, TX (US);
Inventor:
Nathan S. Lockwood, Spring, TX (US);
Assignee:
Baker Hughes Oilfield Operations LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/14 (2006.01); E21B 10/16 (2006.01); E21B 10/43 (2006.01); E21B 12/02 (2006.01);
U.S. Cl.
CPC ...
E21B 10/14 (2013.01); E21B 10/16 (2013.01); E21B 10/43 (2013.01); E21B 12/02 (2013.01);
Abstract
An earth-boring tool includes a tool body with two or more blades, multiple cutting elements secured to the blades, and at least one roller cone positioned between the blades. The tool includes cutting structures extending from the roller cone, with at least two rows of cutting structures. One of the rows is underexposed and inset from the cutting profile defined by the cutting elements on the blades.