Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11719070 | Preset three-stage adjustable downhole choke with choking and pressure measurement functions | Xin Guo, Zechuan Huang, Wu Zhao, Kai Zhang, Miao Yu +6 more | 2023-08-08 |
| 11604479 | Methods and system for vision-based landing | Ang Liu, Litian ZHANG | 2023-03-14 |