Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6740993 | Air-cooled electric rotary machine | Heinrich Hellmann, Uwe Schueller | 2004-05-25 |
| 6731028 | Electric machine with improved cooling feature | Erhard Derleth, Klaus Happel, Bruno Heim, Felix Ludwig, Thomas Niklaus +1 more | 2004-05-04 |
| 6713899 | Linear synchronous motor | Axel Knauff | 2004-03-30 |