Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7138728 | Anti-islanding techniques for distributed power generation | Richard Shaun Welches | 2006-11-21 |
| 6879053 | Transformerless, load adaptive speed controller | Richard Shaun Welches, Daniel Hohm, Jian Wen, Richard Griessel, Thomas O'Reilly | 2005-04-12 |
| 6222349 | Temperature feedback control of alternator output power | Kevin J. Donegan, Mary Tolikas, David B. Eisenhaure | 2001-04-24 |
| 6215271 | Charging system having a controlled rectifier bridge and a single voltage sensor | Albert M. Heyman, Kevin J. Donegan | 2001-04-10 |