Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8023296 | High voltage, high speed, high pulse repetition rate pulse generator | Fengfeng Tao, Frank Mueller, Robert Carl Murray, Abdelkrim Younsi, Seyed Gholamali Saddoughi +1 more | 2011-09-20 |
| 8023297 | High efficiency photovoltaic inverter | Michael A. de Rooij, Robert Louis Steigerwald | 2011-09-20 |
| 7929325 | High efficiency, multi-source photovoltaic inverter | Michael A. de Rooij | 2011-04-19 |
| 7924580 | Switching inverters and converters for power conversion | Juan Manuel Rivas Davila | 2011-04-12 |
| 7915944 | Gate drive circuitry for non-isolated gate semiconductor devices | Antonio Caiafa, Jeffrey Joseph Nasadoski, Juan Antonio Sabate, Richard Alfred Beaupre | 2011-03-29 |
| 7880577 | Current doubler rectifier with current ripple cancellation | Michael A. de Rooij | 2011-02-01 |
| 7795562 | Dual coil induction heating system | Michael A. de Rooij | 2010-09-14 |
| 7672147 | High attenuation filtering circuit for power converters | Michael Joseph Schutten, Jeffrey Joseph Nasadoski, Michael A. de Rooij | 2010-03-02 |
| 7626801 | Integrated inductor and capacitor components and methods of manufacture | Michael A. de Rooij | 2009-12-01 |
| 7576611 | Systems and methods for high frequency electronic power conversion and amplification | — | 2009-08-18 |
| 7400061 | Soft switched secondary side post regulator for DC to DC converter | Robert Louis Steigerwald | 2008-07-15 |
| 7022952 | Dual coil induction heating system | Michael A. de Rooij | 2006-04-04 |
| 6984789 | Electrical cable and method of making | Judson Sloan Marte, Canan Uslu Hardwicke, Michael A. de Rooij | 2006-01-10 |
| 6956188 | Induction heating coil with integrated resonant capacitor and method of fabrication thereof, and induction heating system employing the same | Michael A. de Rooij | 2005-10-18 |
| 6849834 | Apparatus for cycle-skipping power control | Joseph Lucian Smolenski, Harry Kirk Mathews, Jr., Walter Whipple, III, George Charles Goodman | 2005-02-01 |
| 6815908 | Dimmable self-oscillating electronic ballast for fluorescent lamp | Regan A. Zane | 2004-11-09 |
| 6765180 | Cycle skipping power control method and apparatus | Harry Kirk Mathews, Jr. | 2004-07-20 |
| 6753511 | System and method for thermal limiting of the temperature of a cooktop without using a temperature sensor | Harry Kirk Mathews, Jr., Joseph Lucian Smolenski | 2004-06-22 |
| 6735862 | Method of making electrical cable | Judson Sloan Marte, Canan Uslu Hardwicke, Michael A. de Rooij | 2004-05-18 |
| 6586712 | Apparatus for limiting temperature | Harry Kirk Mathews, Jr., Austars Raymond Schnore, Jr. | 2003-07-01 |
| 6407514 | Non-synchronous control of self-oscillating resonant converters | Regan A. Zane | 2002-06-18 |
| 6300767 | System and apparatus for predicting failure in insulated systems | Gerald Burt Kliman, John Raymond Krahn, Howard L. Lester, William James Premerlani | 2001-10-09 |
| 6271506 | Wide voltage range control for an electric resistance heater | — | 2001-08-07 |
| 6246034 | Multi-period cycle-skipping for low flicker, fine-resolution power control | Austars Raymond Schnore, Jr. | 2001-06-12 |
| 6188208 | Cycle-skipping power control for AC line-powered loads | Austars Raymond Schnore, Jr., Ljubisa Dragoljub Stevanovic, Timothy Joseph Kottak | 2001-02-13 |