Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11025052 | SCR based AC precharge protection | Andrew J. Roberts, Jiangang Hu, Lixiang Wei | 2021-06-01 |
| D831568 | Bus connector system | Steven C. Kaishian, Jeremy J. Keegan, Bruce W. Weiss | 2018-10-23 |
| 10069259 | Multi-drive common control bus connector system | Steven C. Kaishian, Jeremy J. Keegan, Bruce W. Weiss | 2018-09-04 |
| 9973137 | Active front end power converter with boost mode derating to protect filter inductor | Lixiang Wei | 2018-05-15 |
| 9960723 | Motor drive with resonance detection and impedance computation | Shaofeng Zhang, Haihui Lu, Ahmed Mohamed Sayed Ahmed, Lixiang Wei, Richard A. Lukaszewski | 2018-05-01 |
| 9819255 | LCL filter resonance mitigation technique for voltage source converters | Lixiang Wei | 2017-11-14 |
| 9800134 | Motor drive with LCL filter inductor with built-in passive damping resistor for AFE rectifier | Lixiang Wei | 2017-10-24 |
| 9787210 | Precharging apparatus and power converter | Rangarajan M. Tallam, Brian P. Brown, Jiangang Hu, James J. CAMPBELL | 2017-10-10 |
| 9667128 | Power converter resonance detection apparatus and method | Lixiang Wei | 2017-05-30 |
| 9653984 | Filter capacitor degradation detection apparatus and method | Lixiang Wei, Russel J. Kerkman | 2017-05-16 |
| 9654021 | Multifunction power converter with option for integrated magnetics | Lixiang Wei, Robert M. Michalski, Bruce W. Weiss, Brian P. Brown | 2017-05-16 |
| 9645194 | Systems and methods for testing motor drives | Lixiang Wei | 2017-05-09 |
| 9558864 | Multi-drive common control bus connector system | Steven C. Kaishian, Jeremy J. Keegan, Bruce W. Weiss | 2017-01-31 |
| 9553533 | DC pre charge circuit | Bruce W. Weiss, Doyle F. Busse, Jeremy J. Keegan, Lixiang Wei, Michael Loth +1 more | 2017-01-24 |
| 9461559 | Active front end power converter with boost mode derating to protect filter inductor | Lixiang Wei | 2016-10-04 |
| 9389263 | Filter capacitor degradation identification using measured and expected voltage | Christian S. Sartler, Lixiang Wei, Mark G. Phillips | 2016-07-12 |
| 9281762 | Systems and methods for manufacturing a pre-charge circuit module | Jeremy J. Keegan, Bruce W. Weiss, James Carter | 2016-03-08 |
| D738304 | Bus connector system | Steven C. Kaishian, Jeremy J. Keegan, Bruce W. Weiss | 2015-09-08 |
| 9054586 | Methods and apparatus for continuous and discontinuous active rectifier boost operation to increase power converter rating | Lixiang Wei | 2015-06-09 |
| 9042146 | DC pre-charge circuit | Bruce W. Weiss, Doyle F. Busse, Jeremy J. Keegan, Lixiang Wei, Michael Loth +1 more | 2015-05-26 |
| 8953296 | AC pre-charge circuit | Bruce W. Weiss, Doyle F. Busse, Jeremy J. Keegan, Lixiang Wei, Michael Loth +1 more | 2015-02-10 |
| 8816631 | Apparatus and method for energy efficient motor drive standby operation | Lixiang Wei, Brian P. Brown | 2014-08-26 |
| 8313597 | Methods for attaching thermoplastic profile to roofing membrane and dual welding device | Li-Ying Yang, Sudhir Railkar | 2012-11-20 |
| 7812322 | Radiation-shielding assemblies and methods | Gary S. Wagner, Elaine E. Haynes | 2010-10-12 |
| D263494 | Electric heating element | Randall Markum | 1982-03-23 |