Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11111864 | Intake oxygen concentration control system suitable for engine with lean NOx trapping technology | Haifeng Liu, Can Wang, Mingfa YAO, Zunqing ZHENG, Hu Wang | 2021-09-07 |