Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203961 | Systems and methods for nickel-based gasoline particulate filter | Xin Liu, Douglas Allen Dobson, Giovanni Cavataio, Eva Thanasiu | 2021-12-21 |
| 11143073 | Methods and systems for a diesel oxidation catalyst | Douglas Allen Dobson, Christine Kay Lambert | 2021-10-12 |
| 11002210 | Method and system for improving efficiency of a particulate filter | Douglas Allen Dobson | 2021-05-11 |