Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11671037 | Efficiency optimization of maximum torque per amps control for synchronous motors | Bing Li | 2023-06-06 |
| 11368109 | Power conversion system with PWM carrier transition smoothing and autotuning | Jacob Lamb, Timothy M. Rowan | 2022-06-21 |
| 11239780 | Iterative flux identification | Jacob Lamb, Bing Li | 2022-02-01 |
| 10601343 | Power conversion system with PWM carrier transition smoothing and autotuning | Jacob Lamb, Timothy M. Rowan | 2020-03-24 |
| 10541626 | Power conversion system with PWM carrier emulation | Jacob Lamb, Timothy M. Rowan, Lixiang Wei | 2020-01-21 |
| 10527661 | Calculating a load resistance | David Leggate, Russel J. Kerkman | 2020-01-07 |
| 10389292 | DC bus regulation using rectifier and inverter | Jacob Lamb, Ahmed S. Mohamed Sayed Ahmed, Timothy M. Rowan | 2019-08-20 |
| 9973103 | System for power conversion with reactive power compensation | Prathamesh R. Vadhavkar, Russel J. Kerkman | 2018-05-15 |
| 9973102 | System for power conversion with feedback to reduce DC bus loading | Prathamesh R. Vadhavkar, Ahmed Sayed Ahmed | 2018-05-15 |
| 9847733 | Power conversion system with DC bus regulation for abnormal grid condition ride through | Ahmed Mohamed Sayed Ahmed, Prathamesh R. Vadhavkar | 2017-12-19 |
| 9651592 | Impedance detector apparatus and method | Russel J. Kerkman, Ahmed Mohamed Sayed Ahmed, Shiv Kumar Gupta, Prathamesh R. Vadhavkar | 2017-05-16 |
| 9535133 | Industrial system phase sag detection | Ahmed Mohamed Sayed Ahmed, Russel J. Kerkman | 2017-01-03 |
| 9270286 | Phase lock loop with cascade tracking filters for synchronizing an electric grid | Ahmed Mohamed Sayed Ahmed, Russel J. Kerkman | 2016-02-23 |
| 9124245 | Adaptive online filter for DC offset elimination | Russel J. Kerkman, Ahmed Mohamed Sayed Ahmed | 2015-09-01 |
| 8988026 | Single phase operation of a three-phase drive system | Ahmed Mohamed Sayed Ahmed, Lixiang Wei | 2015-03-24 |
| 8964427 | Adaptive online filter for DC offset elimination | Russel J. Kerkman, Ahmed S. Mohamed Sayed Ahmed | 2015-02-24 |
| 8825421 | Digital implementation of a tracking filter | Russel J. Kerkman, Carlos Daniel Rodriquez-Valdez | 2014-09-02 |
| 8816729 | Phase-locked-loop with quadrature tracking filter for synchronizing an electric grid | Russel J. Kerkman, Ahmed Mohamed Sayed Ahmed, Carlos Rodriguez Valdez | 2014-08-26 |
| 8704571 | Phase-locked-loop with quadrature tracking filter for synchronizing an electric grid | Russel J. Kerkman, Ahmed Mohamed Sayed Ahmed, Carlos Rodriguez Valdez | 2014-04-22 |
| 8519655 | DC bus boost method and system for regenerative brake | Lixiang Wei, Richard A. Lukaszewski, Russel J. Kerkman | 2013-08-27 |
| 8352203 | Digital implementation of a tracking filter | Russel J. Kerkman, Carlos Daniel Rodriguez-Valdez | 2013-01-08 |
| 8188693 | DC bus boost method and system for regenerative brake | Lixiang Wei, Richard A. Lukaszewski, Russel J. Kerkman | 2012-05-29 |
| 6982533 | Method and apparatus to regulate loads | Russel J. Kerkman | 2006-01-03 |
| 6859008 | Method and apparatus for compensating for cable charging effects on control algorithms | — | 2005-02-22 |
| 6819077 | Method and apparatus for reducing sampling related errors in a modulating waveform generator used with a PWM controller | Russel J. Kerkman | 2004-11-16 |