Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198984 | Underwater repair system for cavity region of concrete panel rock-fill dam panel | Ruiji Yi, Sheng-Yao Yang, Wanli GUO, Denghua Li, Limin Xiao +22 more | 2021-12-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198984 | Underwater repair system for cavity region of concrete panel rock-fill dam panel | Ruiji Yi, Sheng-Yao Yang, Wanli GUO, Denghua Li, Limin Xiao +22 more | 2021-12-14 |