Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36168 | Brushless DC drive motor with external rotor for use in disc drives and like devices | Johann von der Heide, Rolf Muller | 1999-03-30 |
| 5661351 | Disc drive having a brushless DC drive motor with an external rotor for supporting one or more storage discs | Johann von der Heide, Rolf Muller | 1997-08-26 |
| 5652470 | Brushless DC drive motor with external rotor for use in disc drives and like devices | Johann von der Heide, Rolf Muller | 1997-07-29 |
| 5382853 | Brushless DC drive motor with external rotor for use in disc drives and like devices | Johann von der Heide, Rolf Muller | 1995-01-17 |
| 4902941 | Drive motor for information-storage-disk devices | Georg Moosmann, Rolf Muller | 1990-02-20 |
| 4701653 | Disk drive with internal brake and static discharge | Georg Moosmann, Rolf Muller | 1987-10-20 |
| 4629919 | Direct drive motor | — | 1986-12-16 |