Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7105948 | Apparatus for the voltage maintenance of an electrical AC voltage supply network and method for operating such an apparatus | — | 2006-09-12 |
| 6704213 | Voltage converter system having a plurality of voltage inverters for increasing a DC voltage | — | 2004-03-09 |
| 6621719 | Converter with additional voltage addition or subtraction at the output | Martin Veenstra | 2003-09-16 |
| 6337512 | Semiconductor module | Alexander Stuck, Hansruedi Zeller, Raymond Zehringer | 2002-01-08 |
| 6219265 | Three-point converter and method for its operation | Steffen Bernet, Thomas Bruckner | 2001-04-17 |
| 6009002 | Operating a power electronic circuit arrangement having multiple power converters | — | 1999-12-28 |
| 5235503 | Process and device for eliminating or reducing harmonics and/or resonance oscillations | Herbert Stemmler, Bjorn Odegard | 1993-08-10 |
| 5187652 | Turn-off circuit | — | 1993-02-16 |