Issued Patents All Time
Showing 25 most recent of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10926649 | Method to reduce losses in a high voltage DC link converter | Gregory S. Smith | 2021-02-23 |
| 10355611 | Multi-functional power management system | Gregory S. Smith | 2019-07-16 |
| 9960698 | Reliable AC-DC power converter with high voltage DC link | Gregory S. Smith | 2018-05-01 |
| 8400775 | Capacitor with direct DC connection to substrate | Terence G. Ward, George John, Edward P. Yankoski, David F. Nelson, Gregory S. Smith | 2013-03-19 |
| 8212505 | Method and system for creating a vibration in an automobile | Steven E. Schulz, Yo Chan Son, Jonas Bereisa | 2012-07-03 |
| 8193747 | Methods, systems and apparatus for controlling operation of two alternating current (AC) machines | Gabriel Gallegos-Lopez, Milun Perisic, Silva Hiti | 2012-06-05 |
| 8139371 | Power electronics devices with integrated control circuitry | David F. Nelson, George John, Gregory S. Smith, David Tang, Gabriel Gallegos-Lopez | 2012-03-20 |
| 8122985 | Double-ended inverter drive system for a fuel cell vehicle and related operating method | Gregory S. Smith, Brian A. Welchko, Sibaprasad Chakrabarti, Milun Perisic, George John | 2012-02-28 |
| 8115430 | Methods, systems and apparatus for controlling operation of two alternating current (AC) machines | Gabriel Gallegos-Lopez, Milun Perisic, Silva Hiti | 2012-02-14 |
| 8102142 | Double ended inverter system for a vehicle having two energy sources that exhibit different operating characteristics | Gregory S. Smith, Brian A. Welchko, George John, Sibaprasad Chakrabarti, Milun Perisic | 2012-01-24 |
| 8058830 | Charging energy sources with a rectifier using double-ended inverter system | George John, Sibaprasad Chakrabarti, Brian A. Welchko, Gregory S. Smith, Milun Perisic | 2011-11-15 |
| 8054032 | Discontinuous pulse width modulation for double-ended inverter system | Sibaprasad Chakrabarti, Gregory S. Smith, Brian A. Welchko, Milun Perisic, George John | 2011-11-08 |
| 8053920 | Compact terminal assembly for power converters | Terence G. Ward, George John, Edward P. Yankoski, Gregory S. Smith | 2011-11-08 |
| 8026691 | Double ended inverter system with a cross-linked ultracapacitor network | Brian A. Welchko, Sibaprasad Chakrabarti, Milun Perisic, Gregory S. Smith, George John | 2011-09-27 |
| 8002056 | Double-ended inverter system with isolated neutral topology | Sibaprasad Chakrabarti, Gregory S. Smith, Brian A. Welchko, Milun Perisic, George John | 2011-08-23 |
| 7990098 | Series-coupled two-motor drive using double-ended inverter system | Milun Perisic, Silva Hiti, Gregory S. Smith, George John, Sibaprasad Chakrabarti +1 more | 2011-08-02 |
| 7973433 | Power electronics devices with integrated gate drive circuitry | David F. Nelson, George John, Gregory S. Smith, David Tang, Gabriel Gallegos-Lopez | 2011-07-05 |
| 7956569 | Double ended inverter system with an impedance source inverter subsystem | Brian A. Welchko, Gregory S. Smith, Sibaprasad Chakrabarti, Milun Perisic, George John | 2011-06-07 |
| 7956563 | System for using a multi-phase motor with a double-ended inverter system | Milun Perisic, Silva Hiti, Brian A. Welchko, Sibaprasad Chakrabarti, Gregory S. Smith +1 more | 2011-06-07 |
| 7847437 | Efficient operating point for double-ended inverter system | Sibaprasad Chakrabarti, Gregory S. Smith, Brian A. Welchko, Milun Perisic, George John | 2010-12-07 |
| 7843162 | Current regulator and current control method and system for AC motors | Bonho Bae, Nitinkumar R. Patel, Steven E. Schulz, Jung Sik Yim, Seung Ki Sul | 2010-11-30 |
| 7723874 | Cooling systems and methods for integration electric motor-inverters | George R. Woody, Karl D. Conroy, David F. Nelson, Eric R. Ostrom, Gregory S. Smith | 2010-05-25 |
| 7605497 | Two-source inverter | Gabriel Gallegos-Lopez, Silva Hiti | 2009-10-20 |
| 7579792 | Hybrid motor boost system and methods | Brian A. Welchko, Peter J. Savagian | 2009-08-25 |
| 7525269 | Method and apparatus for sensorless position control of a permanent magnet synchronous motor (PMSM) drive system | Nitinkumar R. Patel, Bon Ho Bae | 2009-04-28 |