Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10883320 | Ground wellhole dedicated protective pipe for gas extraction of mining-induced area | Wei Lu, Qianting Hu, Guansheng Qi, Jinliang Li, Dong Wang +1 more | 2021-01-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10883320 | Ground wellhole dedicated protective pipe for gas extraction of mining-induced area | Wei Lu, Qianting Hu, Guansheng Qi, Jinliang Li, Dong Wang +1 more | 2021-01-05 |