Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11894588 | Fuel cell propulsion system with a fuel cell stack for a motor vehicle and process for controlling a temperature of the fuel cell stack | Karthikeyan Rajagopal, Brian David Neilson, Christopher L. Koppen | 2024-02-06 |
| 11735751 | Intelligent fuel cell systems and control logic for smart use of anode header drain valves for FCS bleed and drainage | Xiaofeng Wang, Chad Dubois, Manish Sinha | 2023-08-22 |
| 11631873 | Method for controlling a fuel cell system having a hydrogen fuel injector/ejector | Xiaofeng Wang, Manish Sinha, Chad Dubois | 2023-04-18 |
| 11031615 | Method of operating a fuel cell stack having a temporarily disabled drain valve | Manish Sinha, Xiaofeng Wang, Chad Dubois | 2021-06-08 |
| 10818947 | Systems and methods for fuel-cell stack flow control with simultaneous load following | Biju Edamana, Jeffrey J. Gagliardo, J. Michael Ellenberger | 2020-10-27 |
| 10581100 | Method of operating a fuel cell stack having a temporarily disabled bleed valve | Manish Sinha, Chad Dubois, Xiaofeng Wang | 2020-03-03 |
| 10328820 | Fuel cell system start-up using voltage profile control | Jun Cai, Joseph Castelluccio, Andrew J. Maslyn | 2019-06-25 |
| 10069160 | Stack voltage control for recovery mode using boost converter | Joseph Berg, Jun Cai, Daniel W. Smith, Matthew C. Kirklin | 2018-09-04 |
| 9985303 | Validation and correction of gen 2 anode H2 concentration estimation | Jun Cai, Stephen D. Pace, Elizabeth Dicocco | 2018-05-29 |
| 9853312 | Method for determining membrane protonic resistance of a fuel cell stack | Manish Sinha, Derek R. Lebzelter, John C. Fagley, Megan J. Quick, Rodney J. Rhodes +1 more | 2017-12-26 |
| 9806356 | Systems and methods for controlling oxygen concentration in a cathode of a fuel cell system | Andrew J. Maslyn, Balasubramanian Lakshmanan, Mark P. Adams | 2017-10-31 |
| 9512055 | Direct oxidation of methane to formaldehyde and methanol | Saleh A. Al-Sayari, Adel A. Ismail, Cristina Valero, Maria Consuelo Alvarez-Galvan, Jose L. G. Fierro | 2016-12-06 |
| 9172103 | Transient inlet relative humidity estimation via adaptive cathode humidification unit model and high frequency resistance | Manish Sinha, Todd K. Preston, Edward George Himes | 2015-10-27 |
| 9080938 | Extremum seeking algorithm in a variable time interval to detect anode pressure sensor stuck failure in a fuel cell system | Jun Cai, Daniel C. Di Fiore, Steven R. Falta, Carol A. Galskoy | 2015-07-14 |
| 8660819 | Utilization of HFR-based cathode inlet RH model in comparison to sensor feedback to determine failed water vapor transfer unit and utilize for a diagnostic code and message | Todd K. Preston, Joe C. Machuca | 2014-02-25 |
| 8647783 | Auto-learning of base stack resistance for HFR based RH control | Manish Sinha, Derek R. Lebzelter, John C. Fagley, Megan J. Quick, Rodney J. Rhodes +1 more | 2014-02-11 |
| 7131425 | Method to control auto-ignition in an internal combustion engine equipped with variable valve timing control | Vijay Ramappan, Brian R. Lovegrove, Philip Allen Karau | 2006-11-07 |
| 7024301 | Method and apparatus to control fuel metering in an internal combustion engine | Krishnendu Kar, Andrew P. Bagnasco, Edward George Himes | 2006-04-04 |
| 6874360 | Method of determining rubbing friction torque in a motor vehicle powertrain | Krishnendu Kar | 2005-04-05 |
| 6679108 | Method for synchronizing a pulsetrain with engine cycle | William R. Robertson, Kevin Foley | 2004-01-20 |
| 6679225 | Compensation for fuel volatility for internal combustion engine start and run | William R. Robertson, Craig A. Carlson, Darrell W. Burleigh | 2004-01-20 |