Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9163531 | Self-adaptive hydraulic variable valve timing system for diesel engine and control method | Qiang Zhan, Yiqiang Pei, Erxi Liu, Songlin Wu | 2015-10-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9163531 | Self-adaptive hydraulic variable valve timing system for diesel engine and control method | Qiang Zhan, Yiqiang Pei, Erxi Liu, Songlin Wu | 2015-10-20 |