Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11788370 | Drilling control mechanism of core drilling rig | Mingzhong Gao, Ling Chen, Heping Xie, Zhilong Zhang, Jun Guo +4 more | 2023-10-17 |
| 11773670 | Control mechanism of core drilling rig | Mingzhong Gao, Heping Xie, Ling Chen, Jun Guo, Zhilong Zhang +4 more | 2023-10-03 |
| 11773673 | Coring drill tool driving structure | Heping Xie, Mingzhong Gao, Ling Chen, Zhilong Zhang, Jun Guo +4 more | 2023-10-03 |