Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12413215 | Common mode termination matching method for digital communications | David D. Brandt, Caleb J. Palagyi, Joseph M. Futey, Brian Campbell, Neal R. Krejci +1 more | 2025-09-09 |
| 12391495 | Magnet arrays for vehicle identification in an independent cart system | Zhuo Liu, Hao-Hsiang Yang, Yuhong Huang, Azeddine Choumach, Brian M. Perreault +2 more | 2025-08-19 |
| 11258388 | Systems and methods for performing motor control operations agnostic of speed data | Lei Jin, Zhendong Zhang, Timothy M. Rowan | 2022-02-22 |
| 11146165 | Grid-connected power converter control | Lei Jin, Ahmed S. Mohamed Sayed Ahmed, Rob J Miklosovic | 2021-10-12 |
| 10862332 | Grid-connected power converter control | Lei Jin, Karthik Palaniappan, Ahmed S. Mohamed Sayed Ahmed | 2020-12-08 |
| 10727772 | Predicting an induction machine load pattern | Lei Jin, Robert J. Miklosovic, Zhendong Zhang, Timothy M. Rowan | 2020-07-28 |
| 10217555 | Compact inductor | Xikai Sun, Wei Qian, Shaofeng Zhang, Lixiang Wei, Yuan Xiao +2 more | 2019-02-26 |
| 9998030 | Converter lifetime improvement method for doubly fed induction generator | Lixiang Wei, Russel J. Kerkman, Richard A. Lukaszewski, Zhenhuan Yuan | 2018-06-12 |
| 9960723 | Motor drive with resonance detection and impedance computation | Shaofeng Zhang, Yogesh Patel, Ahmed Mohamed Sayed Ahmed, Lixiang Wei, Richard A. Lukaszewski | 2018-05-01 |
| 9880223 | Parameter estimation system and method for an induction motor | David M. Messersmith, Douglas J. Bader, Thomas A. Nondahl, Zhenhuan Yuan | 2018-01-30 |
| 9787213 | Power cell bypass method and apparatus for multilevel inverter | Lixiang Wei, Yuan Xiao, Douglas B. Weber | 2017-10-10 |
| 9685898 | Quasi vector motor controller | Kun Wei, Andrew J. Jaap, David M. Messersmith, Randall S. Langer, Ping Lee | 2017-06-20 |
| 9590547 | Double fed induction generator (DFIG) converter and method for improved grid fault ridethrough | Zhenhuan Yuan, Lixiang Wei, Russel J. Kerkman, Richard A. Lukaszewski, Ahmed Mohamed Sayed Anmed | 2017-03-07 |
| 9350275 | Quasi variable frequency motor controller | Kun Wei, Andrew J. Jaap, David M. Messersmith, Randall S. Langer, Ping Lee | 2016-05-24 |
| 9331487 | Method and apparatus for islanding detection for grid tie converters | Zhenhuan Yuan, Shaofeng Zhang, Lixiang Wei, Russel J. Kerkman, Richard A. Lukaszewski +2 more | 2016-05-03 |
| 9240731 | Power cell bypass method and apparatus for multilevel inverter | Lixiang Wei, Yuan Xiao, Douglas B. Weber | 2016-01-19 |
| 9041234 | Double fed induction generator (DFIG) converter and method for improved grid fault ridethrough | Zhenhuan Yuan, Lixiang Wei, Russel J. Kerkman, Richard A. Lukaszewski, Ahmed S. Mohamed Sayed Ahmed | 2015-05-26 |
| 8742767 | Parameter estimation system and method for an induction motor | David M. Messersmith, Douglas J. Bader, Thomas A. Nondahl, Zhenhuan Yuan | 2014-06-03 |
| 8736091 | Converter lifetime improvement method for doubly fed induction generator | Lixiang Wei, Russel J. Kerkman, Richard A. Lukaszewski, Zhenhuan Yuan | 2014-05-27 |
| 8570003 | Double fed induction generator converter and method for suppressing transient in deactivation of crowbar circuit for grid fault ridethrough | Zhenhuan Yuan, Lixiang Wei, Russel J. Kerkman, Richard A. Lukaszewski, Ahmed Mohamed Sayed Ahmed | 2013-10-29 |
| 8547050 | Control method and system with feedback indicative of load flux | David M. Messersmith, Thomas A. Nondahl | 2013-10-01 |
| 8519662 | Method and apparatus for controlling motor torque | David M. Messersmith | 2013-08-27 |
| 8432052 | Wind power converter system with grid side reactive power control | Lixiang Wei, Richard A. Lukaszewski, Russel J. Kerkman, Zhenhuan Yuan | 2013-04-30 |
| 8203304 | Control method and system with feedback indicative of load flux | David M. Messersmith, Thomas A. Nondahl | 2012-06-19 |
| 7868581 | Induction motor analysis and control method | Wei Qian, Thomas A. Nondahl | 2011-01-11 |