Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7327024 | Power module, and phase leg assembly | Eladio Clementa Delgado, Michael Joseph Schutten, Richard Alfred Beaupre, Michael A. de Rooij | 2008-02-05 |
| 7262981 | System and method for regulating resonant inverters | Regan A. Zane | 2007-08-28 |
| 7258464 | Integral ballast lamp thermal management method and apparatus | Garron Morris, Kamlesh Mundra, Ashutosh Joshi, Didier Gilbert Rouaud, Janos Sarkozi | 2007-08-21 |
| 6893145 | Light system | Eugene Olczak, Frank Mueller, Dietmar Sundermann | 2005-05-17 |
| 6779920 | X-ray localizer light system | Eugene Olczak, Frank Mueller, Dietmar Sundermann | 2004-08-24 |
| 6310330 | HVAC heater power and control circuit | Ahmed Elasser, Thomas B. Breen, Wayne William Mihailov, Rollie R. Herzog | 2001-10-30 |
| 6188208 | Cycle-skipping power control for AC line-powered loads | John Stanley Glaser, Austars Raymond Schnore, Jr., Timothy Joseph Kottak | 2001-02-13 |
| 6157143 | Fluroescent lamps at full front surface luminance for backlighting flat panel displays | Laurence Bigio | 2000-12-05 |
| 5952832 | Diagnostic circuit and method for predicting fluorescent lamp failure by monitoring filament currents | Robert Louis Steigerwald, Wing Yeung Chung | 1999-09-14 |
| 5910709 | Florescent lamp ballast control for zero -voltage switching operation over wide input voltage range and over voltage protection | Robert Louis Steigerwald, Mustansir Kheraluwala | 1999-06-08 |
| 5703441 | Multi-function filament-heater power supply for an electronic ballast for long-life dimmerable lamps | Robert Louis Steigerwald, Chester Frank Saj | 1997-12-30 |
| 5701059 | Elimination of striations in fluorescent lamps driven by high-frequency ballasts | Robert Louis Steigerwald | 1997-12-23 |
| 5576940 | Front-end power converter for distributed power systems | Robert Louis Steigerwald | 1996-11-19 |
| 5442534 | Isolated multiple output Cuk converter with primary input voltage regulation feedback loop decoupled from secondary load regulation loops | Slobodan Cuk | 1995-08-15 |