Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8389898 | Method for regulating a welding current source and welding current source for carrying out the method | — | 2013-03-05 |
| 6849828 | Method for regulating and/or controlling a welding current source with a resonance circuit | — | 2005-02-01 |
| 6549441 | Voltage switch-over device | Alfred Hiesmayr, Friedrich Oberzaucher, Walter Pammer | 2003-04-15 |