Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7119044 | Multiple washcoats on filter substrate | Thomas R. Pauly, Jiyang Yan, Danan Dou | 2006-10-10 |
| 7094728 | Method for control of washcoat distribution along channels of a particulate filter substrate | Jiyang Yan, Scott Reid | 2006-08-22 |
| 5691507 | Protective cover for outlet | — | 1997-11-25 |