Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5148361 | Method and device for balancing the circuits of a three-phase system | Rudiger Braun | 1992-09-15 |
| 5148362 | Method and device for balancing a three-phase system | Rudiger Braun | 1992-09-15 |
| 4719557 | Apparatus for generating a symmetrical three-phase voltage system with a neutral wire capable of carrying current | Albert Muller | 1988-01-12 |
| 4367522 | Three-phase inverter arrangement | Hans-Peter Kroworsch, Herbert Kuller, Jurgen Strop | 1983-01-04 |