Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149610 | Nitrous oxide removal catalysts for exhaust systems | Xiaolai Zheng, Stanley A. Roth, Olga Gerlach, Andreas Sundermann | 2021-10-19 |
| 11117098 | Multifunctional filters for diesel emission control | Stanley A. Roth | 2021-09-14 |
| 10961890 | On-board vehicle ammonia and hydrogen generation | Shiang Sung, Michael LoCascio | 2021-03-30 |
| 10919025 | N2O removal from automotive exhaust for lean/rich systems | Shiang Sung, Stanley Roth, Torsten Neubauer, Susanne Stiebels | 2021-02-16 |