Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11621628 | Predictive active filter for EMI attenuation | Patrick L. Chapman, Martin Fornage | 2023-04-04 |
| 9952263 | Method and apparatus for grid impedance detection | Andrew Barnes | 2018-04-24 |
| 9184652 | Method and apparatus for inverter output current harmonic reduction | Andrew Barnes | 2015-11-10 |
| 8896330 | Method and apparatus for grid impedance detection | Andrew Barnes | 2014-11-25 |