Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12270727 | Underwater detection method and system for contact leakage of tunnel joints of dam culvert | Kai Zhang, Yan Xiang, Chengdong Liu, Fudong Chi, Hao A. Chen +4 more | 2025-04-08 |
| 10677919 | Self-positioning system and self-positioning identification method of deepwater underwater robot of irregular dam surface of reservoir | Yan Xiang, Zhuo Li, Yunqing Tang, Chengdong Liu, Guangya Fan +4 more | 2020-06-09 |