Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11111825 | Hydraulic valve mechanism with variable valve opening times and internal combustion engine | Zhaoyu Wang, Kang Han | 2021-09-07 |
| 9995188 | Oil control device for fully variable hydraulic valve system of internal combustion engine | — | 2018-06-12 |