Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8755163 | Three-phase AC power controller | Grammenos Nicoltsios | 2014-06-17 |
| 7583047 | Quenching device for a converter bridge with line regeneration | Thomas Biribauer, Franz Hackl, Wilfried Hofmüller, Wilhelm Ritschel, Franz Wohrer | 2009-09-01 |
| 7443129 | Quenching device for a converter bridge with line regeneration | Thomas Biribauer, Franz Hackl, Wilfried Hofmüller, Wilhelm Ritschel, Franz Wohrer | 2008-10-28 |
| 6903911 | Protective circuit for a network-controlled thyristor bridge | Wilhelm Reischer, Leo Karl, Franz Wohrer | 2005-06-07 |