Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9995790 | Customizable contactor prognostics system | Chao Chen, Qing Jia, F. Michael Frayne, Jeffrey David Gandier, Xiang Jing | 2018-06-12 |
| 9653910 | Power structure diagnostic method and apparatus for improved motor drive diagnostic coverage | Reginald A. Drake, Marius G. Chis, John David Allan, Zhongyuan Cheng, Catalin Florin Gemanaru | 2017-05-16 |
| 8476859 | DC power for SGCT devices using a high frequency current loop with multiple current transformers | Bin Wu, Zhongyuan Cheng, Jahangir Afsharian, Navid R. Zargari, Vijay Khatri | 2013-07-02 |
| 8103460 | Customizable contactor prognostics system | Chao Chen, Qing Jia, F. Michael Frayne, Jeffrey David Gandier, Xiang Jing | 2012-01-24 |
| 7965526 | Self powered supply for power converter switch driver | Navid R. Zargari, Zhongyuan Cheng | 2011-06-21 |
| 7804038 | Multi-vacuum contactor control system | Reginald A. Drake, F. Michael Frayne, David Scott S. Maclennan | 2010-09-28 |