Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8076814 | Brushless high-frequency alternator and excitation method for DC, single-phase and multi-phase AC power-frequency generation | Christopher N. Tupper | 2011-12-13 |
| 7615904 | Brushless high-frequency alternator and excitation method for three-phase AC power-frequency generation | Christopher N. Tupper | 2009-11-10 |
| 7071657 | Method and apparatus for the production of power frequency alternating current directly from the output of a single-pole type generator | Christopher N. Tupper | 2006-07-04 |
| 6570370 | Apparatus for automatic tuning and control of series resonant circuits | Christopher N. Tupper | 2003-05-27 |
| 6177746 | Low inductance electrical machine | Christopher N. Tupper | 2001-01-23 |
| 6175178 | Low inductance electrical machine for flywheel energy storage | Christopher N. Tupper | 2001-01-16 |