Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9000830 | Method and apparatus for protecting transistors | Jügen Pirchenfellner, Günter Achleitner, Stephan Holzinger | 2015-04-07 |
| 7638734 | Method and circuit for contactless ignition of a welding arc with high frequency ignition pulse packets | Andreas Prinz, Gerald Hieslmair, Uwe Kroiss | 2009-12-29 |
| 6549441 | Voltage switch-over device | Hubert Aigner, Alfred Hiesmayr, Friedrich Oberzaucher | 2003-04-15 |