Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10989019 | Fully-electrically driven downhole safety valve | Baoping Cai, Yonghong Liu, Chuntan Gao, Chaoyang Sheng, Peng Liu +9 more | 2021-04-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10989019 | Fully-electrically driven downhole safety valve | Baoping Cai, Yonghong Liu, Chuntan Gao, Chaoyang Sheng, Peng Liu +9 more | 2021-04-27 |