Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11208937 | Method for diagnosing diesel oxidation catalyst fault | Piqiang Tan, Chaojie Yao, Deyuan Wang, Zhiyuan Hu, Yunhua Zhang +1 more | 2021-12-28 |
| 11187123 | Method for controlling exhaust after-treatment system based on NO2 medium adjustment | Yunhua Zhang, Piqiang Tan, Zhiyuan Hu, Liang Fang | 2021-11-30 |