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:
Apr. 19, 2021
Filed:
Sep. 28, 2017
Applicant:
Smith International, Inc., Houston, TX (US);
Inventors:
Yuelin Shen, Spring, TX (US);
Youhe Zhang, Spring, TX (US);
Michael J. Janssen, The Woodlands, TX (US);
Assignee:
Smith International, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/567 (2005.12); E21B 10/573 (2005.12);
U.S. Cl.
CPC ...
E21B 10/5673 (2012.12); E21B 10/567 (2012.12); E21B 10/5676 (2012.12); E21B 10/573 (2012.12);
Abstract
A cutting element is provided having a substrate and an ultra hard material cutting layer over the substrate. The cutting layer includes a surface portion for making contact with a material to be cut by the cutting element. The surface portion in cross-section has a curvature that has a varying radius of curvature. A bit incorporating such a cutting element is also provided.
Quick Actions:
Shen, Yuelin. (2021). Cutting elements having cutting edges with continuous varying radii and bits incorporating the same (U.S. Patent No. RE48524). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/RE48524
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile