Invention Grant
- Patent Title: Degradable anchoring device with gavanic corrosion resistant component interface
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Application No.: US16680789Application Date: 2019-11-12
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Publication No.: US11306559B2Publication Date: 2022-04-19
- Inventor: Zhihui Zhang , YingQing Xu , Zhiyue Xu
- Applicant: Zhihui Zhang , YingQing Xu , Zhiyue Xu
- Applicant Address: US TX Katy; US TX Tomball; US TX Cypress
- Assignee: Zhihui Zhang,YingQing Xu,Zhiyue Xu
- Current Assignee: Zhihui Zhang,YingQing Xu,Zhiyue Xu
- Current Assignee Address: US TX Katy; US TX Tomball; US TX Cypress
- Agency: Cantor Colburn LLP
- Main IPC: E21B33/134
- IPC: E21B33/134 ; E21B33/129
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: Al2O3; MgO; CaO; SiO2; TiO2; Y2O3; ZrO2; SiC; BN, or Si3N4.
Public/Granted literature
- US20210140268A1 DEGRADABLE ANCHORING DEVICE WITH GAVANIC CORROSION RESISTANT COMPONENT INTERFACE Public/Granted day:2021-05-13
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