Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8001769 | Control of SCR system having a filtering device | Zhiyong Wei, Theodore M. Kostek | 2011-08-23 |
| 7992380 | Emission control system implementing reduction agent injection | Zhiyong Wei | 2011-08-09 |