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, 2022
Filed:
Nov. 12, 2019
Applicants:
Zhihui Zhang, Katy, TX (US);
Yingqing Xu, Tomball, TX (US);
Zhiyue Xu, Cypress, TX (US);
Inventors:
Assignee:
BAKER HUGHES OILFIELD OPERATIONS LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/134 (2006.01); E21B 33/129 (2006.01);
U.S. Cl.
CPC ...
E21B 33/134 (2013.01); E21B 33/129 (2013.01);
Abstract
An anchoring device comprises a degradable substrate; and a ceramic biting member secured to an outer surface of the degradable substrate and configured for engagement with another member, the ceramic biting member comprising a ceramic material which has a density of greater than about 90% of theoretical density and contains one or more of the following: AlO; MgO; CaO; SiO; TiO; YO; ZrO; SiC; BN, or SiN.