Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12140013 | Sealing quality detection device and sealing quality evaluating method for gas extraction boreholes | Weiwei Su, Yujin Qin, Rui Zhou, Zhongyu Zheng, Jie Li +5 more | 2024-11-12 |
| 9927353 | Systems and methods of infrared detection of coal mine polar gas | Liang Yuntao, Sun Yong, Luo Haizhu, Zhang Depeng, Feng Wenbin +2 more | 2018-03-27 |
| 9702814 | Systems and methods of infrared detection of coal mine polar gas | Liang Yuntao, Sun Yong, Luo Haizhu, Zhang Depeng, Feng Wenbin +2 more | 2017-07-11 |