Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12234730 | Underwater robot for mine flooding rescue | Haitao Ji, Fangzheng Yan | 2025-02-25 |
| 12123825 | Synchronous detection system and detection method for trace nitrogen-oxygen compound based on photoacoustic spectrometry | Xu Wang, Haowei WANG | 2024-10-22 |
| 11940376 | System and method for detecting concentration of free SiO2 in coal dust | Fangzheng Yan, Lei Fang | 2024-03-26 |
| 11662301 | Mine dust real-time detection system based on double-photo acoustic spectrometry and detection method | Lei Fang, Haowei WANG | 2023-05-30 |