Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12241876 | Borehole wall spin-shearing device and testing method for in-situ borehole shear test | Wenkai Feng, Xiaoyu Yi, Xuyong Liu, Qian Li, Ke Wan | 2025-03-04 |
| 11389271 | Nickel-titanium file root canal preparation instrument | Yanfeng Li, Yuan Lv, Guangquan Chai, Yidan Sun, Huanyue Liu +1 more | 2022-07-19 |
| 11187808 | Methods and systems for performing global navigation satellite system (GNSS) orbit and clock augmentation and position determination | Yang Gao, Wentao Zhang | 2021-11-30 |