Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11525231 | Double-spiral-tube structure, grouting and pile forming device and construction method for strengthening soft soil | Xuguang Chen, Ning Zhang, Yong Wan | 2022-12-13 |
| 11525357 | Unloading type sinking rescue device of subsea mining vehicle and use method thereof | Xuguang Chen, Xiaodong Niu, Lizhen Wang | 2022-12-13 |