Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12091293 | Main hoist system of rotary drilling rig, and control method therefor | Yonghua Zhang, Yu-Chen Sun, Zhigang Liu, Changmeng Shan, Hongchen Qiu +3 more | 2024-09-17 |
| 12087056 | Video generation method and apparatus, and promotional video generation method and apparatus | Xikai Liu | 2024-09-10 |