Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6867570 | Circuit arrangement for the static generation of a variable electric output | Kadry Sadek | 2005-03-15 |
| 6587362 | AC-DC converters with bi-directional thyristor valves | — | 2003-07-01 |
| 6479910 | Method and circuits for changing the ratings of a three phase circuit by delta-star switching | — | 2002-11-12 |
| 6188204 | Brushless AC field system for stable frequency variable speed alternators | Joseph Vithayathil | 2001-02-13 |
| 5414612 | HVDC transmission with a converter connected between an AC voltage and a DC link common to the converters | Per-Erik Bjorklund, Bernt Bergdahl, Urban Astrom | 1995-05-09 |
| 5032738 | Scheme for rapid adjustment of network impedance | — | 1991-07-16 |