Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12498297 | Test device and method for testing and commissioning comprehensive performance of rotary drilling rig | Ju Li, Yaping Lv, Qiang Liu, Liexiang Han, Tong-Hsuan Chang +4 more | 2025-12-16 |