Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11465082 | Filtration assembly for use in aftertreatment systems for internal combustion engines | Julian Nicolas Aljoscha Raupp, Friedrich Zapf, Ralf Rohrmueller, Thomas Betz, Kay Schmidt | 2022-10-11 |
| 8959895 | Exhaust-gas aftertreatment device | Friedrich Zapf, Heico Stegmann, Klaus Lang, Christian Schmidt, Alexandre Branco | 2015-02-24 |
| 8875502 | SCR exhaust gas aftertreatment device | Tobias Fuchs, Ralf Rohrmueller, Sebastian Weidner, Friedrich Zapf | 2014-11-04 |
| 8201393 | Exhaust-gas aftertreatment device | Friedrich Zapf, Heico Stegmann, Klaus Lang, Christian Schmidt, Alexandre Branco | 2012-06-19 |