Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12327991 | AC busbar for current sharing between parallelly connected semiconductor switching pairs | Robert J. Vovos, Stephen L. Homan | 2025-06-10 |
| 12280881 | Aircraft propulsion utilizing a safety critical energy management system | Matthew S. Boecke | 2025-04-22 |
| 12174226 | Redundant verifiable high voltage measurement port for traction inverter and high voltage distribution | Robert J. Vovos | 2024-12-24 |
| 12151670 | Parallel variable speed generator control | Robert J. Vovos | 2024-11-26 |
| 11108101 | Active internal air cooled vehicle battery pack | Stephen J. Kosteva | 2021-08-31 |
| 10882407 | Low engine speed electric accessory load regulation on moving vehicles | Bart W. Mancini, Robert J. Vovos | 2021-01-05 |
| 10793137 | High speed operation of an electric machine | Matthew S. Boecke, Brian Sehn | 2020-10-06 |
| 10305407 | Machine loss modeling for improved field oriented control accuracy | Robert J. Vovos | 2019-05-28 |
| 9950639 | Dual kalman filter for torsional damping of electric traction drives | Robert J. Vovos, James A. Dupuy | 2018-04-24 |
| 9935573 | Four quadrant voltage limiter for rotor flux oriented machine control | Robert J. Vovos | 2018-04-03 |
| 9263948 | Input output balanced bidirectional buck-boost converters and associated systems and methods | Robert J. Vovos, Peter A. Carruthers | 2016-02-16 |
| 7326141 | Compact fault tolerant variable cross-drive electromechanical transmission | Bart W. Mancini | 2008-02-05 |
| 7179322 | Oxygen and nitrogen enriched atmospheres in aircraft | Andrew Van Den Gross | 2007-02-20 |
| 7166148 | Gas separation membranes | Andrew Van Den Gross | 2007-01-23 |
| 6787948 | Stator construction for high performance rotating machines | William A. Peterson, Jr. | 2004-09-07 |
| 6422001 | Regeneration control of particulate filter, particularly in a hybrid electric vehicle | James Alan Sherman | 2002-07-23 |
| 6373204 | Apparatus and method for driving a plurality of induction motors | William A. Peterson, Jr. | 2002-04-16 |
| 6196345 | Drive-line damping control for an electric vehicle | Slobodan Gataric | 2001-03-06 |
| 6116368 | Electric vehicle with battery regeneration dependent on battery charge state | Timothy Michael Grewe | 2000-09-12 |
| 6091228 | Control system for, in the presence of a varying system load, establishing generator current to maintain a particular battery charge state | Christine Marie Chady, Timothy Michael Grewe | 2000-07-18 |
| 5950752 | Heating system for a hybrid electric vehicle | — | 1999-09-14 |
| 5949210 | Two-dimensional variable limit proportional internal regulator for the current controller in synchronous frame | Slobodan Gataric | 1999-09-07 |
| 5941328 | Electric vehicle with variable efficiency regenerative braking depending upon battery charge state | Timothy Michael Grewe | 1999-08-24 |
| 5929595 | Hybrid electric vehicle with traction motor drive allocated between battery and auxiliary source depending upon battery charge state | Timothy Michael Grewe | 1999-07-27 |
| 5910722 | Hybrid electric vehicle with reduced auxiliary power to batteries during regenerative braking | Timothy Michael Grewe | 1999-06-08 |