Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9496572 | Closed-loop method for fuel cell system start-up with low voltage source | Abdullah B. Alp, Akbar Chowdhury, Matthew C. Kirklin, Matthew K. Hortop | 2016-11-15 |
| 9385382 | Systems and methods for controlling cabin heating in fuel cell vehicles | Steven D. Burch, John P. Nolan, Remy Fontaine, Bram Peters, Oliver Maier | 2016-07-05 |
| 9368816 | Shutdown strategy to avoid carbon corrosion due to slow hydrogen/air intrusion rates | Thomas A. Greszler, Gary M. Robb, Balasubramanian Lakshmanan, Hubert Gasteiger | 2016-06-14 |
| 9368817 | In-situ fuel cell stack reconditioning | Daniel T. Folmsbee, Balasubramanian Lakshmanan, Joe C. Machuca, Bernd Krause, David R. Savage +2 more | 2016-06-14 |
| 8993185 | Method for determining an average cell voltage for fuel cells | Thomas A. Greszler, Brian Litteer | 2015-03-31 |
| 8945785 | Adaptive limitation of standby mode to enhance fuel cell system life | Daniel I. Harris, Derek R. Lebzelter, William H. Pettit, Akbar Chowdhury, Edward George Himes | 2015-02-03 |
| 8924043 | Systems and methods for preventing battery depletion in a vehicle | Andrew J. Maslyn | 2014-12-30 |
| 8722264 | Algorithm for stack current controller based on polarization curve estimation of a fuel cell stack | Sriram Ganapathy, Kiran Mallavarapu, Balasubramanian Lakshmanan, Frank Leo | 2014-05-13 |
| 8722263 | Feedback control of H2 injection during park based on gas concentration model | Jun Cai, Joseph Nicholas Lovria, Sriram Ganapathy, Jaehak Jung | 2014-05-13 |
| 8647785 | Dynamic voltage suppression in a fuel cell system | Thomas A. Greszler, Brian Litteer | 2014-02-11 |
| 8580445 | Shutdown strategy to avoid carbon corrosion due to slow hydrogen/air intrusion rates | Thomas A. Greszler, Gary M. Robb, Balasubramanian Lakshmanan, Hubert Gasteiger | 2013-11-12 |
| 8524405 | Detection of small anode leaks in fuel cell systems | Joseph Nicholas Lovria | 2013-09-03 |
| 8492046 | Method of mitigating fuel cell degradation due to startup and shutdown via hydrogen/nitrogen storage | Paul Taichiang Yu, Frederick T. Wagner, Glenn W. Skala, Balsu Lakshmanan | 2013-07-23 |
| 8445145 | Stack shutdown purge method | Craig S. Gittleman, Gerald Voecks | 2013-05-21 |
| 8232014 | Fuel cell operational methods for hydrogen addition after shutdown | David A. Arthur, Dieter Kaimann, Thomas W. Tighe, Steven G. Goebel, Gary M. Robb +4 more | 2012-07-31 |
| 8231989 | Method for improving FCS reliability after end cell heater failure | Derek R. Lebzelter, William S Marley, Abdullah B. Alp, Loren Devries | 2012-07-31 |
| 8214174 | Algorithm for online adaptive polarization curve estimation of a fuel cell stack | Sriram Ganapathy, Balasubramanian Lakshmanan, Frank Leo, Jason R. Kolodziej | 2012-07-03 |
| 8206860 | Method to perform adaptive voltage suppression of a fuel cell stack based on stack parameters | Sriram Ganapathy, Tayoung Choi, Darrell W. Burleigh | 2012-06-26 |
| 8195407 | Online method to estimate hydrogen concentration estimation in fuel cell systems at shutdown and startup | Joseph Nicholas Lovria, Sriram Ganapathy, John C. Fagley | 2012-06-05 |
| 8192879 | Method for maximum net power calculation for fuel cell system based on online polarization curve estimation | Sriram Ganapathy, Kiran Mallavarapu, Frank Leo, Balasubramanian Lakshmanan | 2012-06-05 |
| 8168343 | Humidification control during shutdown of a fuel cell system | Bruce J. Clingerman, Steven D. Burch, Manish Sinha | 2012-05-01 |
| 8088530 | Method of operating a fuel cell system in standby/regenerative mode | Akbar Chowdhury, Abdullah B. Alp | 2012-01-03 |
| 8088525 | Online low performing cell (LPC) prediction and detection of fuel cell system | Sriram Ganapathy, Frank Leo, Balasubramanian Lakshmanan, Brian McMurrough | 2012-01-03 |
| 7993787 | Method for fast and reliable fuel cell system start-ups | David A. Arthur, Seth E. Lerner, Balasubramanian Lakshmanan, Abdullah B. Alp | 2011-08-09 |
| 7955743 | Adaptive gain scheduled control for current limitation based on voltage performance of a fuel cell system | Sriram Ganapathy, David A. Arthur, Manish Sinha, David R. Savage, Frank Leo | 2011-06-07 |