Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7017607 | Expansion container for a fuel tank | Volker Brand, Karl-Heinz Kempa, Ralf Lângerer, Thomas Rieger, Dieter Scheuerenbrand | 2006-03-28 |
| 6158214 | Exhaust silencer arrangement | Karl-Heinz Kempka, Thomas Nording, Siegfried Worner | 2000-12-12 |
| 5704337 | Fuel tank | Karl-Heinz Kempka | 1998-01-06 |
| 5623825 | Turbo charger arrangement for an internal combustion engine | Karl-Heinz Kempka | 1997-04-29 |