Issued Patents All Time
Showing 25 most recent of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10522855 | Method for creating an oxygen depleted gas in a fuel cell system | Thomas W. Tighe, Steven G. Goebel, Gary M. Robb, Balasubramanian Lakshmanan, Joseph Nicholas Lovria | 2019-12-31 |
| 9876243 | Method to reduce pressure when injectors are stuck open under faulted conditions and remedial action to prevent walk-home incident | Kiran Mallavarapu | 2018-01-23 |
| 9728799 | Fuel cell startup method for fast freeze startup | Steven D. Burch, Bruce J. Clingerman, David A. Arthur, Dirk Wexel, Martin Fasse | 2017-08-08 |
| 9496572 | Closed-loop method for fuel cell system start-up with low voltage source | Akbar Chowdhury, Matthew C. Kirklin, Matthew K. Hortop, John P. Salvador | 2016-11-15 |
| 9379396 | Controls giving −25° C. freeze start capability to a fuel cell system | Bruce J. Clingerman, Aaron Rogahn, Jun Cai, Joseph C. Gerzseny, Manish Sinha +1 more | 2016-06-28 |
| 9263751 | Method to reduce pressure when injectors are stuck open under faulted conditions and remedial action to prevent walk-home incident | Kiran Mallavarapu | 2016-02-16 |
| 9005785 | Open-loop system and method for fuel cell stack start-up with low-voltage source | Akbar Chowdhury, Kristian M. Whitehouse, Matthew K. Hortop, Matthew C. Kirklin | 2015-04-14 |
| 8835065 | Fuel cell startup method for fast freeze startup | Steven D. Burch, Bruce J. Clingerman, David A. Arthur, Dirk Wexel, Martin Fasse | 2014-09-16 |
| 8748053 | Anode bleed flow detection and remedial actions | Prasad Gade, Jon R. Sienkowski | 2014-06-10 |
| 8603690 | Methods and controls for hydrogen to cathode inlet of a fuel cell system | Steven D. Burch, Bruce J. Clingerman, Jon R. Sienkowski, James K. Leary, Victor W. Logan +1 more | 2013-12-10 |
| 8574776 | Fuel cell system water management strategy for freeze capability | Bruce J. Clingerman, Jason R. Kolodziej, Derek S. Kilmer, Pinkhas A. Rapaport, David S. Mathews +3 more | 2013-11-05 |
| 8568935 | Method for managing fuel cell power increases using air flow feedback delay | David A. Arthur | 2013-10-29 |
| 8372555 | Stack end cell heater control methodology | David A. Arthur, Joseph Mussro | 2013-02-12 |
| 8349507 | Implementation of an engine controller unit's non-volatile memory for measuring the time of a fuel cell system in a shut-off or standby state | Seth E. Lerner, Rebecca Dinan, David A. Arthur | 2013-01-08 |
| 8232018 | Anode flowshifting with closed-injector bleeding | David A. Arthur | 2012-07-31 |
| 8231989 | Method for improving FCS reliability after end cell heater failure | Derek R. Lebzelter, William S Marley, John P. Salvador, Loren Devries | 2012-07-31 |
| 8192878 | Method and algorithm to detect frozen anode pressure sensor | Loren Devries, Bruce J. Clingerman, Aaron Rogahn | 2012-06-05 |
| 8088530 | Method of operating a fuel cell system in standby/regenerative mode | Akbar Chowdhury, John P. Salvador | 2012-01-03 |
| 8088529 | Remedial action to operate a fuel cell system with a failed bleed manifold unit | Bruce J. Clingerman, Patrick Frost | 2012-01-03 |
| 8057941 | Comprehensive method for triggering anode bleed events in a fuel cell system | Jon R. Sienkowski, David A. Arthur, Prasad Gade | 2011-11-15 |
| 8051546 | Method for determining if a fuel cell stack is overheating using stack end plate temperature sensors | David A. Arthur | 2011-11-08 |
| 8007946 | Fuel cell system warm-up strategy with reduced efficiency losses | Steven D. Burch, Marc Becker | 2011-08-30 |
| 7993787 | Method for fast and reliable fuel cell system start-ups | David A. Arthur, John P. Salvador, Seth E. Lerner, Balasubramanian Lakshmanan | 2011-08-09 |
| 7919209 | System stability and performance improvement with anode heat exchanger plumbing and re-circulation rate | Joe C. Machuca | 2011-04-05 |
| 7914935 | Method for managing fuel cell power increases using air flow feedback delay | David A. Arthur | 2011-03-29 |