Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11185854 | Cold start catalyst and its use in exhaust systems | Raj Rao Rajaram, Hai-Ying Chen | 2021-11-30 |
| 10926221 | Single brick SCR/ASC/PNA/DOC close-coupled catalyst | Hai-Ying Chen, Joseph Michael Fedeyko, Jing Lu | 2021-02-23 |