Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10369649 | Circuits for improved welding performance | George B. Koprivnak, Steven R. Peters | 2019-08-06 |
| 9656340 | Systems and methods providing low current regulation for AC arc welding processes | George B. Koprivnak | 2017-05-23 |
| 9333584 | Modified phase shifted gate drive | Lifeng Luo, Todd E. Kooken | 2016-05-10 |
| 9221116 | Inductive discharge arc re-ignition and stabilizing circuit | George B. Koprivnak, Steven R. Peters | 2015-12-29 |
| 9138823 | Systems and methods providing arc re-ignition for AC arc welding processes | George B. Koprivnak | 2015-09-22 |
| 9120172 | Systems and methods providing controlled AC arc welding processes | George B. Koprivnak, Steven R. Peters | 2015-09-01 |
| 9120175 | Method to improve GMAW and GTAW welding performance | Steven R. Peters, George B. Koprivnak | 2015-09-01 |
| 9114471 | Systems and methods providing low current regulation for AC arc welding processes | George B. Koprivnak | 2015-08-25 |
| 8898894 | Capacitor-circuit board interface for welding system components | George B. Koprivnak, Jeremie Buday, David Perrin | 2014-12-02 |
| 8604355 | Capacitor-circuit board interface for welding system components | George B. Koprivnak, Jeremie Buday, David Perrin | 2013-12-10 |
| 8253069 | Slideable welding power source housing assembly | Jeremie Buday, George B. Koprivnak, David Perrin | 2012-08-28 |
| 8233280 | Electronic module with center mounting fasteners | George B. Koprivnak, Jeremie Buday, David Perrin, Russ Myers | 2012-07-31 |
| 7853435 | System and method for facilitating welding system diagnostics | Edward Hillen, George D. Blankenship | 2010-12-14 |
| 7796005 | Power source for plasma device | George D. Blankenship, Todd E. Kooken, Lifeng Luo | 2010-09-14 |
| 7573000 | Power source for plasma device | George D. Blankenship, Todd E. Kooken, Lifeng Luo | 2009-08-11 |
| 7274000 | Power source for high current welding | Todd E. Kooken | 2007-09-25 |
| 6998573 | Transformer module for a welder | Todd E. Kooken | 2006-02-14 |
| 6995337 | Power source with saturable reactor | George G. Blankenship, Lifeng Luo | 2006-02-07 |
| 6795778 | System and method for facilitating welding system diagnostics | Edward Hillen, George D. Blankenship | 2004-09-21 |