Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11795643 | Method for constructing inner dump type strip mine pit bottom reservoirs section by section | Shuzhao CHEN, Liu HAN, Tao Shang | 2023-10-24 |
| 11674393 | Method for constructing dam inside dump of inner-dump strip mine | Shuzhao CHEN, Quansheng Li, Liu HAN | 2023-06-13 |