Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11060434 | Reductant injection in exhaust manifold | John K. Heichelbech, John G. Buechler, Thomas M. Yonushonis | 2021-07-13 |
| 10934922 | Systems and methods for SCR feedgas diagnostics | Nassim Khaled, Michael S. Haas, Yinghuan Lei | 2021-03-02 |