Issued Patents 2021
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203925 | Drilling device at extracting opening for extraction of coalbed methane | Shu Tao, Dazhen Tang, Song Li, Shida Chen | 2021-12-21 |
| 11182928 | Method and apparatus for determining rotation angle of engineering mechanical device | Xinjing Cheng, Ruigang Yang, Feixiang Lu, Yajue Yang | 2021-11-23 |
| 11149527 | Steeply-inclined ultra-thick coal seam gas control method based on binary composite liquid | Gang Wang, Jianqiang Chen, Lulu SUN, Kunlun Liu, Sanlong Zheng +2 more | 2021-10-19 |
| 11131084 | Method and apparatus for selecting target excavating point | Xinjing Cheng, Ruigang Yang, Yajue Yang, Feixiang Lu | 2021-09-28 |
| 11004235 | Method and apparatus for determining position and orientation of bucket of excavator | Xinjing Cheng, Ruigang Yang, Feixiang Lu, Yajue Yang | 2021-05-11 |
| 10999645 | Playing control method and apparatus | Yang Song, Juncheng Liu, Jie Li, Baiyu Pan, Ji Wang | 2021-05-04 |