Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292011 | Cylinder deactivation control method and apparatus of engine, and engine | Haifeng Ren, Fei Wang, Bin Pang, Qingzhen Ma, Huihui Wang +2 more | 2025-05-06 |
| 12188423 | Cylinder deactivation control method and apparatus of engine, and engine | Haifeng Ren, Fei Wang, Bin Pang, Qingzhen Ma, Huihui Wang +2 more | 2025-01-07 |