Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12055533 | Monitoring devices for methane gas in hot thaw lake ponds in tundra regions | Guoyu Li, Dun Chen, Qingsong Du | 2024-08-06 |
| 11891771 | Devices for preventing frost heaving and thawing settlement | Yapeng Cao, Guoyu Li, Wei-Yin Ma, Zhixiang Chen, Dun Chen | 2024-02-06 |