Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6160374 | Power-factor-corrected single-stage inductive charger | John G. Hayes | 2000-12-12 |
| 4943760 | Control systems for variable reluctance electrical machines | John V. Byrne, Francis McMullin, Francis Devitt, Jeremiah O'Dwyer, John Murphy +2 more | 1990-07-24 |
| 4682093 | Power supply systems for inductive elements | John Murphy, Francis McMullin, John V. Byrne, Patrick Kenneally | 1987-07-21 |
| 4661756 | Servomotor control systems | John Murphy, Francis McMullin, Michael J. Brosnan | 1987-04-28 |