Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10458299 | Exhaust gas aftertreatment apparatus | Friedhelm Hillen, Bhuvaneswaran Manickam, Marco Dris Paul | 2019-10-29 |
| 9574475 | Method of operating an internal combustion engine | Friedhelm Hillen, Manickam Bhuvaneswaran | 2017-02-21 |
| 9266074 | Mixing device having a plurality of mixing channels | Bhuvaneswaran Manickam, Friedhelm Hillen | 2016-02-23 |