Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11761283 | Core barrel sealing structure capable of increasing sealing-specific pressure | Heping Xie, Ling Chen, Jun Guo, Zhilong Zhang, Zetian Zhang +3 more | 2023-09-19 |
| 10745989 | Deep rock in-situ active thermal-insulation coring device and thermal-insulation coring method thereof | Heping Xie, Ling Chen, Cunbao Li, Guangdi Deng, Xia Hua | 2020-08-18 |