Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6269870 | Exhaust heat exchanger | Matthias Banzhaf, Claus Beck, Martin Bott, Steffen Brunner, Frank Buche +11 more | 2001-08-07 |
| 6213105 | Device for exhaust recycling for an internal combustion engine and method of making same | Matthias Banzhaf, Osman Sari, Gerard Dietz, Helmut Blank | 2001-04-10 |