Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12298157 | Monitoring device, monitoring arrangement and monitoring method for monitoring a screw joint of an object | Christopher Lee Shih Hao Sam Soon, Gerald Busch, Mathew Courtney, David Head, Steffen NIGGEMANN +1 more | 2025-05-13 |
| 9106087 | Device and method for eliminating transformer excitation losses | — | 2015-08-11 |
| 8482893 | Integrated photovoltaic source circuit combiner and protection subsystem | — | 2013-07-09 |
| 7931202 | Electronic business and information card | Richard Galloway, Bill Galloway | 2011-04-26 |
| 7710752 | Transformerless utility-grid-interactive inverter | — | 2010-05-04 |
| 7646275 | Device and method for eliminating transformer excitation losses | — | 2010-01-12 |
| 7521914 | Photovoltaic DC-to-AC power converter and control method | Arthur F. Dickerson | 2009-04-21 |
| 7463500 | Monopolar DC to bipolar DC to AC converter | — | 2008-12-09 |
| 7319313 | Photovoltaic DC-to-AC power converter and control method | Arthur F. Dickerson | 2008-01-15 |
| 7248093 | Bipolar bootstrap top switch gate drive for half-bridge semiconductor power topologies | — | 2007-07-24 |
| 7102251 | Bi-directional multi-port inverter with high frequency link transformer | — | 2006-09-05 |
| 4868379 | Photovoltaic array with two-axis power maximization tracking | — | 1989-09-19 |