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:
Jun. 18, 2024
Filed:
May. 26, 2021
Cnpc Usa Corporation, Houston, TX (US);
Beijing Huamei Inc., Beijing, CN;
Jiaqing Yu, Houston, TX (US);
Chris Cheng, Houston, TX (US);
Ning Li, Houston, TX (US);
David He, Houston, TX (US);
Kevin Waddell, Houston, TX (US);
Xu Wang, Beijing, CN;
Chi Ma, Beijing, CN;
Xiongwen Yang, Beijing, CN;
CNPC USA Corporation, Houston, TX (US);
Beijing Huamei, Inc., Beijing, CN;
Abstract
A drill bit for cutting formation comprises a bit body, a plurality of cutters, and a plurality of blades with pockets to accommodate the cutters, respectively. In an embodiment, the plurality of cutters comprise a substrate, an ultra-hard layer, a concave surface on the top of the ultra-hard layer, wherein the concave surface comprises a plurality of planar and curved surfaces.