Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11534736 | Platinum-containing catalysts for combustion engines | Stanley A. Roth, Haiyang Zhu | 2022-12-27 |
| 11413607 | Diesel oxidation catalysts for ultralow NOx control | Jia Cheng Liu, Evan Vincent Miu, Xiaoming Xu, Stefan Maurer | 2022-08-16 |
| 11331653 | Combined NOx absorber and SCR catalyst | Joseph A. Patchett | 2022-05-17 |