Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149821 | Line gear mechanism with variable-angle transmission | Chao He, Yueling Lv | 2021-10-19 |
| 10677317 | Rotation-movement conversion linear gear mechanism | Yueling Lv | 2020-06-09 |
| 10550914 | Concave-convex arc line gear mechanism for parallel shaft transmission | Li Yao | 2020-02-04 |
| 10465787 | Variable-ratio line gear mechanism | Huai-Yi Huang, Yueling Lv | 2019-11-05 |
| 8789438 | Space curve mesh driving pair and polyhedral space curve mesh transmission | Zhen Chen, Jiang Ding | 2014-07-29 |