Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9162310 | Enhanced power factor correction for welding and cutting power supplies | Steven J. Geissler, Michael D. Madsen | 2015-10-20 |
| 8884189 | Welding power to auxiliary power conversion system and method | Neal Maynard Borchert | 2014-11-11 |
| 8664564 | Controlled harmonics power supply for welding-type system | Bernard J. Vogel, Michael D. Madsen | 2014-03-04 |
| 7820943 | Stick arc welder with low voltage start | Edward G. Beistle | 2010-10-26 |
| 7041937 | Wire feeder operable with lower minimum input voltage requirement | Jeffrey R. Ihde, Brian Lee Ott | 2006-05-09 |
| 6107602 | Switchable power supply with electronically controlled output curve and adaptive hot start | Steven J. Geissler | 2000-08-22 |
| 5714731 | Welding power supply arc starter | James F. Ulrich, Michael D. Madsen, Steven J. Geissler | 1998-02-03 |
| 5157236 | Adaptive pulse mode gas metal arc welding control | Jon O. Reynolds | 1992-10-20 |