Issued Patents All Time
Showing 1–25 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9584039 | Regulated AC-DC hybrid rectifier | — | 2017-02-28 |
| 9537307 | Overvoltage protection method and device | John Duward Sagona, Donal E. Baker, Randall Bax | 2017-01-03 |
| 9362844 | Method of deriving switch current signals in a rectifier | — | 2016-06-07 |
| 9293985 | Method of reducing input current distortion in a rectifier | — | 2016-03-22 |
| 9172301 | Synchronous rectification in the three-level inverter-converter topologies | — | 2015-10-27 |
| 9166472 | EMI filtering for active rectifier power systems | — | 2015-10-20 |
| 9099926 | System and method for connecting the midpoint of a dual-DC bus to ground | — | 2015-08-04 |
| 8982587 | Compensating ripple on pulse with modulator outputs | Adam Michael White, Harry H. Chai | 2015-03-17 |
| 8553381 | Gradually reducing resistive clamp | John Duward Sagona, Waleed M. Said | 2013-10-08 |
| 8519686 | SSPC for soft start of DC link capacitor | Gregory I. Rozman, Joshua C. Swenson | 2013-08-27 |
| 8461717 | Active filtering electrical accumulator unit | Josh C. Swenson, Joshua Scott Parkin | 2013-06-11 |
| 8432137 | Power generating system with flux regulated generator | Gregory I. Rozman, Jacek F. Gieras, Sastry V. Vedula | 2013-04-30 |
| 8427108 | Method for controlling an electric accumulator unit | Josh C. Swenson | 2013-04-23 |
| 8395873 | SSPC with dual fault detectors | Gregory I. Rozman, Joshua C. Swenson | 2013-03-12 |
| 8390151 | SSPC with active current limiting | Gregory I. Rozman, Josh C. Swenson | 2013-03-05 |
| 8324869 | Method and apparatus for average current control | Josh C. Swenson, Sastry V. Vedula | 2012-12-04 |
| 8299738 | Multi-tasking power processor for a vehicle electric system | Gregory I. Rozman | 2012-10-30 |
| 8199545 | Power-conversion control system including sliding mode controller and cycloconverter | Gregory I. Rozman, Sastry V. Vedula | 2012-06-12 |
| 8134331 | Motor drive system with flux regulated PM generator | Gregory I. Rozman, Jacek F. Gieras | 2012-03-13 |
| 7952896 | Power conversion architecture with zero common mode voltage | Jun Hu, Waleed M. Said | 2011-05-31 |
| 7920394 | Method to create PWM switching with near zero common mode noise | — | 2011-04-05 |
| 7619327 | Hybrid electromechanical power transfer system | Gregory I. Rozman, Vijay K. Maddali | 2009-11-17 |
| 7365511 | Methods to control high speed electric machines having a front-end EMI filter attached | — | 2008-04-29 |
| 5953220 | System and method for zero phase error tracking of reference in PWM inverters | Shan-Chin Tsai | 1999-09-14 |
| 5717585 | Power inverter with reduced switching frequency | Shan-Chin Tsai | 1998-02-10 |