Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10995706 | Gas mixing device and a natural gas engine | Xuguang Tan, Dehui Tong | 2021-05-04 |
| 10954589 | Current collector production apparatus | Zuyu WU, Keqiang LI, Long Zhou, Guodong Li, Taosheng Zhu | 2021-03-23 |
| 10883320 | Ground wellhole dedicated protective pipe for gas extraction of mining-induced area | Wei Lu, Qianting Hu, Guansheng Qi, Weimin Cheng, Jinliang Li +1 more | 2021-01-05 |