Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820461 | Method for determining NOx mass flow from characteristics map data with a variable air inlet and engine temperature | Walter Sarholz | 2004-11-23 |
| 6813879 | Method for heating up catalysts in the exhaust gas of internal combustion engines | Jens Wagner, Andreas Roth, Holger Bellmannn, Detlef Heinrich | 2004-11-09 |
| 6813881 | Method of operating an internal combustion engine | Andreas Roth, Andreas Koring, Beate Rittmann, Holger Bellmann | 2004-11-09 |
| 6758034 | Method for operating an internal combustion engine | Christian Koehler | 2004-07-06 |