Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11673747 | Method for constructing pumping-injection well of groundwater reservoir in dump of open-pit mine | Shuzhao CHEN, Quansheng Li, Liu HAN | 2023-06-13 |
| 9689128 | Artificial dam of distributed coal mine underground reservoir and its constructing method | Dazhao Gu, Quansheng Li, Sushe Chen | 2017-06-27 |