Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1089669 | Abdominal support belt for pregnant women | — | 2025-08-19 |
| 11946349 | Downhole throttling device based on wireless control | Jun Xie, Huiyun Ma, Jian Yang, Chenggang Yu, Yukun Fu +6 more | 2024-04-02 |
| 7728544 | System and method for controlling input line harmonics in a motor drive | Wei Qian, Lixiang Wei, Richard A. Lukaszewski | 2010-06-01 |
| 7649756 | Common mode noise reduction in converter systems through modification of single phase switching signal | Russel J. Kerkman, Haihui Lu | 2010-01-19 |
| 7400518 | Modulation methods and apparatus for reducing common mode noise | Russel J. Kerkman | 2008-07-15 |
| 7164254 | Modulation methods and apparatus for reducing common mode voltages | Russel J. Kerkman, Haihui Lu | 2007-01-16 |
| 7106025 | Cancellation of dead time effects for reducing common mode voltages | Russel J. Kerkman, Richard A. Lukaszewski | 2006-09-12 |
| 6657322 | Control system for active power filters | Gary L. Skibinski, Dongsheng Zhou, Frederick L. Hoadley, Naihu Li | 2003-12-02 |