Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8766480 | Wind farm having a plurality of wind energy installations | Marc Hiller, Norbert Klaassen, Rainer Sommer | 2014-07-01 |
| 6262906 | Air-cooled power converter, drive device for rolling stands, and power converter system | Johann Wokusch, Tomas Greif, Hans-Jurgen Muller | 2001-07-17 |
| 6233996 | Driving mechanism for industrial installations, in particular for primary industry installations | Rolf-Dieter Klug | 2001-05-22 |
| 6189352 | Drive device for roll stands | Johann Wokusch, Rolf-Dieter Klug | 2001-02-20 |
| 4881159 | Switching-relieved low-loss three-level inverter | Joachim Holtz, Samir Salama | 1989-11-14 |
| 4682278 | Procedure and device for detecting the non-conducting state of turn-off thyristors | Rainer Marquardt, Michael Peppel | 1987-07-21 |
| 4674023 | Method and apparatus for recognizing the cutoff state of a thyristor which can be switched off | Michael Peppel | 1987-06-16 |
| 4454461 | Apparatus for the control of a salient-pole machine | Felix Blaschke | 1984-06-12 |
| 4388577 | Rotating field machine drive | Felix Blaschke | 1983-06-14 |
| 4371920 | Polyphase frequency converter with individually current-regulated outputs | — | 1983-02-01 |
| 4335343 | Circuit for generating an electric signal proportional to a flux component of a rotating-field machine | Walter Dreiseitl, Dieter Kollensperger, Thomas Schlegel, Wolf-Dieter Weigel | 1982-06-15 |
| 4282473 | Rotating field machine drive and method | Walter Dreiseitl, Dieter Kollensperger, Thomas Schlegel, Wolf-Dieter Weigel | 1981-08-04 |