Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10947883 | Methods and systems for adjusting exhaust gas flow through an aftertreatment device | Guenter Hans Grosch, Rainer Lach, Richard Fritsche | 2021-03-16 |
| 10883411 | Systems and methods for an exhaust-gas aftertreatment device | Bas van den Heuvel, Richard Fritsche, Brendan Patrick Carberry | 2021-01-05 |