Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6799558 | Internal combustion engine and method for operating an internal combustion engine | Henry Gmelin, Eberhard Holder, Roland Kemmler, Ralf Woerner, Wolf Zimmermann | 2004-10-05 |
| 6749754 | Method for desulphurizing engine fuel on board a motor vehicle | Eberhard Holder, Roland Kemmler, Viktor Pfeffer, Carsten Plog, Thomas Stengel +2 more | 2004-06-15 |
| 6732721 | Injection valve | Herbert Guettler, Eberhard Holder, Gerhard Kroetz, Viktor Pfeffer | 2004-05-11 |
| 6711894 | Internal combustion engine and method of operating same | Ralf Bruenemann, Eberhard Holder, Roland Kemmler, Christoph Koehlen | 2004-03-30 |
| 6691684 | Fuel fractionation device and method of making same | Ralf Bruenemann, Eberhard Holder, Roland Kemmler | 2004-02-17 |