Issued Patents 2023
Showing 1–6 of 6 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 |
| 11788371 | Coring device | Heping Xie, Mingzhong Gao, Ling Chen, Zhiyi Liao, Zhilong Zhang +3 more | 2023-10-17 |
| 11781382 | Drilling mechanism of coring drilling rig | Mingzhong Gao, Heping Xie, Ling Chen, Zhilong Zhang, Jun Guo +3 more | 2023-10-10 |
| 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 |
| 11761283 | Core barrel sealing structure capable of increasing sealing-specific pressure | Heping Xie, Ling Chen, Mingzhong Gao, Jun Guo, Zhilong Zhang +3 more | 2023-09-19 |