Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11732551 | Fully electrically controlled intelligent subsurface safety valve | Yang Tang, Na Xie, Minghai Zhou, Jinhai Zhao, Guohai Yuan +7 more | 2023-08-22 |
| 11542789 | Cavity creation tool by crushing with multi-stage controllable water jet for natural gas hydrate development | Yang Tang, Peng Zhao, Guorong Wang, Jinhai Zhao, Qingyou Liu +7 more | 2023-01-03 |