Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12304011 | Rail welding method and device | Kaiguo Fan, Zhiming Zhu, Yan Zhao, Jihai Wang, Junliang Zhang +6 more | 2025-05-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12304011 | Rail welding method and device | Kaiguo Fan, Zhiming Zhu, Yan Zhao, Jihai Wang, Junliang Zhang +6 more | 2025-05-20 |