Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5783891 | Brushless synchronous machine | Jürgen Bredthauer, Bernhard Wachta | 1998-07-21 |
| 5294857 | Synchronous machine having control coils for compensating mechanical oscillations of the rotor | Hermann Waldmann | 1994-03-15 |
| 5270634 | Polyphase alternating current motor | — | 1993-12-14 |
| 4890049 | Circuit and winding arrangement for a multiphase electric rotating field machine | — | 1989-12-26 |
| 4751448 | Armature winding for a static converter-fed electrical induction machine | — | 1988-06-14 |
| 4641051 | Rotor for an electrical machine with axial and radial cooling channels | — | 1987-02-03 |
| 4528472 | Pole-changing three-phase winding for optional, fractional pole-pair ratios | — | 1985-07-09 |
| 4451751 | Three-phase winding for a high-voltage machine | — | 1984-05-29 |
| 4341970 | Three phase winding for high voltage machines with y-connected phases | — | 1982-07-27 |
| 4292559 | Electric drive with a universal and induction motor combined on a common lamination stack | Peter Bradler, Rudolf Weppler, Jaroslav Stepina | 1981-09-29 |
| 4284919 | Pole changeable three phase winding | — | 1981-08-18 |