Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11441458 | Gasoline particulate filters with high initial filtering efficiency and methods of making same | Huifang Shao, Joseph W. Roos | 2022-09-13 |
| 11401855 | Predictive methods for emissions control systems performance | Huifang Shao, Joseph W. Roos | 2022-08-02 |