Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11719070 | Preset three-stage adjustable downhole choke with choking and pressure measurement functions | Xin Guo, Zechuan Huang, Kai Zhang, Miao Yu, Yiwei Jiang +6 more | 2023-08-08 |