Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8374011 | Method and apparatus for boosting DC bus voltage | — | 2013-02-12 |
| 7116166 | High fidelity, high power switched amplifier | Juan Antonio Sabate, Richard S. Zhang, Luis Jose Garces, Paul Michael Szczesny, Qiming Li | 2006-10-03 |
| 6178099 | Optimal phase-shifted control for a series resonant converter | Michael Joseph Schutten, Vlatko Vlatkovic | 2001-01-23 |
| 6166602 | High-efficiency switching power amplifier | Robert Louis Steigerwald | 2000-12-26 |
| 6031746 | Switching amplifier for generating continuous arbitrary waveforms for magnetic resonance imaging coils | Robert Louis Steigerwald, Ljubisa Dragolijub Stevanovic, John Norton Park | 2000-02-29 |
| 5663647 | Switching gradient amplifier with adjustable DC bus voltage | John Norton Park | 1997-09-02 |
| 5451878 | Non-resonant gradient field accelerator | Thomas George McFarland | 1995-09-19 |
| 5339348 | X-ray tube rotor controller using the main high voltage inverters for acceleration | Jonathan R. Schmidt | 1994-08-16 |
| 5270657 | Split gradient amplifier for an MRI system | Thomas George McFarland, Robert M. Vavrek, Peter B. Roemer, Otward M. Mueller, John Norton Park | 1993-12-14 |
| 5265146 | X-ray tube rotor controller using the main high voltage inverters for acceleration and speed maintenance | Gerald K. Flakas | 1993-11-23 |
| 5159697 | X-ray tube transient noise suppression system | — | 1992-10-27 |
| RE34107 | Power transistor drive circuit with improved short circuit protection | — | 1992-10-20 |
| 5132999 | Inductive X-ray tube high voltage transient suppression | — | 1992-07-21 |
| 4954917 | Power transistor drive circuit with improved short circuit protection | — | 1990-09-04 |
| 4375612 | Controlled regenerative d-c power supply | — | 1983-03-01 |
| 4331994 | Shootthrough fault protection system for a voltage source transistor inverter | — | 1982-05-25 |
| 4310866 | Shootthrough fault protection system for bipolar transistors in a voltage source transistor inverter | — | 1982-01-12 |