Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11745282 | Integrated engine-driven generator control system | Richard Beeson, Michael J. Trinkner | 2023-09-05 |
| 11484959 | Engine-driven air compressor/generator load priority control system and method | — | 2022-11-01 |
| 11027356 | Welder generator engine speed control | Randall J. DuVal, Nathan Joe Jochman, Christopher J. Wierschke, John C. Leisner | 2021-06-08 |
| 10576573 | Portable generator and battery charger verification control method and system | — | 2020-03-03 |
| 10144082 | Welder generator engine speed control | Randall J. DuVal, Nathan Joe Jochman, Christopher J. Wierschke, John C. Leisner | 2018-12-04 |
| 9821398 | Welder generator electrode based engine speed control | James R. Brook | 2017-11-21 |
| 9796037 | Integrated engine-driven generator control system | Richard Beeson, Michael J. Trinkner | 2017-10-24 |
| 9604302 | Welder generator engine speed control | Randall J. DuVal, Nathan Joe Jochman, Christopher J. Wierschke, John C. Leisner | 2017-03-28 |
| 9381593 | Engine driven welder-generator with chopper circuit | Randall J. DuVal | 2016-07-05 |
| 9266183 | Welder generator engine speed control | Randall J. DuVal, Nathan Joe Jochman, Christopher J. Wierschke, John C. Leisner | 2016-02-23 |
| 9162309 | Welder generator electrode based engine speed control | James R. Brook | 2015-10-20 |
| 8969762 | Welder with intelligent battery charger | Rick Beeson | 2015-03-03 |
| 8859937 | Engine driven welder-generator with chopper circuit | Randall J. DuVal | 2014-10-14 |
| 8766139 | Engine-driven air compressor load control system and method | Eric M. Kropp | 2014-07-01 |
| 8759714 | Portable generator and battery charger verification control method and system | — | 2014-06-24 |
| 8653415 | Engine-driven air compressor/generator load priority control system and method | — | 2014-02-18 |
| 8502115 | Engine driven welder-generator with chopper circuit | Randall J. DuVal | 2013-08-06 |
| 8338971 | Engine-driven generator speed control system and method | David Edwin Radtke, Joseph Gitter | 2012-12-25 |
| 8125094 | Engine-driven generator speed control system and method | David Edwin Radtke, Joseph Gitter | 2012-02-28 |
| 8115328 | Weld setting based engine-driven generator control system and method | Richard Beeson, Michael J. Trinkner | 2012-02-14 |
| 7858904 | System and method of controlling auxiliary/weld power outputs of a welding-type apparatus | — | 2010-12-28 |
| 7858903 | Constant current welding power control system and method | Adam P. Laabs | 2010-12-28 |
| 7642486 | Welding device with arc termination control | Adam P. Laabs | 2010-01-05 |
| 7411154 | Control panel for a welding-type apparatus | John C. Leisner | 2008-08-12 |
| 7297899 | Operating parameter dependent variable output welding-type apparatus | — | 2007-11-20 |