Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11323038 | Single phase single stage bi-directional level 1 electric vehicle battery charger | Parthasarathy Nayak, Sumit Kumar Pramanick | 2022-05-03 |
| 11218145 | High temperature gate driver for silicon carbide metal-oxide-semiconductor field-effect transistor | Parthasarathy Nayak, Sumit Kumar Pramanick | 2022-01-04 |
| 9586690 | Hybrid turbo electric aero-propulsion system control | Christine Ross, Michael J. Armstrong, Mark Jon Blackwelder | 2017-03-07 |
| 8829692 | Multilayer packaged semiconductor device and method of packaging | Ruxi Wang, Zheng Chen, Dushan Boroyevich | 2014-09-09 |
| 8820677 | Aircraft power systems and methods | George A. Pontones | 2014-09-02 |
| 8786262 | Systems and methods for synchronous power generation | John T. Alt | 2014-07-22 |
| 8727270 | Aircraft, propulsion system, and system for taxiing an aircraft | Donald W. Burns | 2014-05-20 |
| 8690099 | Aircraft and propulsion system | Donald W. Burns | 2014-04-08 |
| 8684304 | Aircraft, propulsion system, and system for taxiing an aircraft | Donald W. Burns | 2014-04-01 |
| 8570774 | Electrical power system with high-density pulse width modulated (PWM) rectifier | Ruxi Wang, Fred Wang, Rolando Burgos, Dushan Boroyevich, Stephen Andrew Long | 2013-10-29 |
| 8043758 | Method and apparatus for controlling a fuel cell system | John Noetzel, Karl J. Haltiner, Jr. | 2011-10-25 |
| 7968237 | PEM-SOFC hybrid power generation systems | Malcolm James Grieve | 2011-06-28 |
| 7674538 | Apparatus and method for high efficiency operation of a high temperature fuel cell system | Malcolm James Grieve, John MacBain, Gregory W. Alexander | 2010-03-09 |
| 7648784 | Method and apparatus for controlling a fuel cell system having a variable number of parallel-connected modules | George N. Simopoulos, Michael T. Faville, Elwood W. Wingeier | 2010-01-19 |
| 7470477 | Cascaded fuel cell stacks for fast start-up and anode coking control | James Zizelman, Jean Botti, John Noetzel, Subhasish Mukerjee | 2008-12-30 |
| 7323264 | Fuel cell system having integrated central control function | John Noetzel, Harry Husted | 2008-01-29 |
| 7306871 | Hybrid power generating system combining a fuel cell and a gas turbine | Malcolm James Grieve, John MacBain, Gregory W. Alexander, Brett W. Buck, Daniel D. Richey | 2007-12-11 |
| 7084525 | Power system to transfer power between a plurality of power sources | John Noetzel | 2006-08-01 |
| 6989211 | Method and apparatus for controlling a fuel cell system | John Noetzel, Karl J. Haltiner, Jr. | 2006-01-24 |
| 6854273 | Apparatus and method for steam engine and thermionic emission based power generation system | Andrew J. Lasley, Gerald T. Fattic | 2005-02-15 |
| 6646845 | Battery protection system and method | Steven Richard Turner, Mark S. Formulak | 2003-11-11 |
| 6456031 | Rotor position estimation for switched reluctance machines | Gabriel Gallegos-Lopez, James E. Walters | 2002-09-24 |
| 6411534 | Control methods for power converter circuit | Alexander Kurnia, Eric C Pratt | 2002-06-25 |
| 6362599 | Method and apparatus for sensing the status of a vehicle | Steven Richard Turner, Gary A. Cameron | 2002-03-26 |
| 6321145 | Method and apparatus for a fuel cell propulsion system | — | 2001-11-20 |