Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7919895 | Squirrel-cage rotor of an asynchronous machine | — | 2011-04-05 |
| 7604414 | Electrical machine and its bearings | — | 2009-10-20 |
| 7362027 | Electric machine with a laminated rotor core | Siegfried Fichtner, Jurgen Hofmann, Karl Mussig | 2008-04-22 |