Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7861521 | Method for regenerating a diesel particulate filter | Wenzhong Zhang | 2011-01-04 |
| 7340888 | Diesel particulate matter reduction system | Wenzhong Zhang, Julian A. Imes, Todd R. Taubert, Timothy L. Ricke | 2008-03-11 |
| 7337607 | Method of dispensing fuel into transient flow of an exhaust system | Zhixin Jason Hou, Wayne M. Wagner, Wenzhong Zhang, Edward A. Steinbrueck, Ted J. Wiegandt +1 more | 2008-03-04 |
| 7155331 | Method of prediction of NOx mass flow in exhaust | Wenzhong Zhang | 2006-12-26 |
| 6354398 | Mufflers for use with engine retarders; and methods | John Edward Hamrin, Eivind Stenersen, John Hiemstra, Wayne M. Wagner, Ted J. Wiegandt | 2002-03-12 |
| 6082487 | Mufflers for use with engine retarders; and methods | John Edward Hamrin, Eivind Stenersen, John Hiemstra, Wayne M. Wagner, Ted J. Wiegandt | 2000-07-04 |