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:
May. 28, 2019
Filed:
Sep. 10, 2014
Smith International, Inc., Houston, TX (US);
Hemachandar Mada, Houston, TX (US);
Michael G. Azar, The Woodlands, TX (US);
Jason R. Gregg, Conroe, TX (US);
Joshua Gatell, Cypress, TX (US);
Edward Wayne Gutierrez, Houston, TX (US);
Suman Velvaluri, Houston, TX (US);
SMITH INTERNATIONAL, INC., Houston, TX (US);
Abstract
A fixed cutter drill bit may include a bit body having a bit centerline and a plurality of blades that extend radially from the bit body and are separated by a plurality of flow courses therebetween. Each of the plurality of blades is spaced a radial distance from the bit centerline to define a core-forming region. A plurality of cutting elements is disposed on the plurality of blades. The plurality of cutting elements comprises at least two coring cutting elements that are disposed on the plurality of blades and the at least two coring cutting elements are the radially innermost cutting elements on the plurality of blades.