Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11359530 | Exhaust system comprising a passive NOx adsorber | David Bergeal, Gavin Michael Brown, Andrew Francis Chiffey, Matthew O'Brien | 2022-06-14 |
| 11338245 | Diesel oxidation catalyst and exhaust system | Andrew Francis Chiffey, John Benjamin Goodwin, James Leeland | 2022-05-24 |