Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11655595 | Adjustable device for railway to cross active faults | Songfeng Guo, Shengwen Qi, Manchao He, Hui Zhou, Yu Zou +6 more | 2023-05-23 |
| 11287356 | Variable angle loading testing machine | Songfeng Guo, Shengwen Qi, Ming Cai, Yanjun Shang, Qingze Hao +18 more | 2022-03-29 |