Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5173251 | Mixing apparatus for fluids | Manfred Ullrich, Ralf Wehrlein | 1992-12-22 |
| 4926634 | Method and apparatus for producing a homogeneous exhaust gas mixture in an exhaust system for an internal combustion engine having two banks of cylinders | Heinrich Putz, Friedhelm Nowitzki, Hartmut Bathelt, Gunter Kromer, Henning Hoffmann +1 more | 1990-05-22 |