| 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 |
$8,503,000 |
| 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 |
$19,278,000 |
| 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 |
$32,250,000 |
| 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 |
$12,949,000 |
| 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 |
$6,808,000 |
| 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 |
$9,187,000 |
| 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 |
$6,941,000 |
| 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 |
$10,320,000 |
| 8748053 |
Anode bleed flow detection and remedial actions |
Prasad Gade, Jon R. Sienkowski |
2014-06-10 |
$6,536,000 |
| 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 |
$5,499,000 |
| 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 |
$9,219,000 |
| 8568935 |
Method for managing fuel cell power increases using air flow feedback delay |
David A. Arthur |
2013-10-29 |
$12,838,000 |
| 8372555 |
Stack end cell heater control methodology |
David A. Arthur, Joseph Mussro |
2013-02-12 |
$5,952,000 |
| 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 |
$8,794,000 |
| 8232018 |
Anode flowshifting with closed-injector bleeding |
David A. Arthur |
2012-07-31 |
$6,979,000 |
| 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 |
$6,979,000 |
| 8192878 |
Method and algorithm to detect frozen anode pressure sensor |
Loren Devries, Bruce J. Clingerman, Aaron Rogahn |
2012-06-05 |
$5,478,000 |
| 8088530 |
Method of operating a fuel cell system in standby/regenerative mode |
Akbar Chowdhury, John P. Salvador |
2012-01-03 |
$8,782,000 |
| 8088529 |
Remedial action to operate a fuel cell system with a failed bleed manifold unit |
Bruce J. Clingerman, Patrick Frost |
2012-01-03 |
$8,782,000 |
| 8057941 |
Comprehensive method for triggering anode bleed events in a fuel cell system |
Jon R. Sienkowski, David A. Arthur, Prasad Gade |
2011-11-15 |
$4,158,000 |
| 8051546 |
Method for determining if a fuel cell stack is overheating using stack end plate temperature sensors |
David A. Arthur |
2011-11-08 |
$3,733,000 |
| 8007946 |
Fuel cell system warm-up strategy with reduced efficiency losses |
Steven D. Burch, Marc Becker |
2011-08-30 |
$6,892,000 |
| 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 |
$7,688,000 |
| 7919209 |
System stability and performance improvement with anode heat exchanger plumbing and re-circulation rate |
Joe C. Machuca |
2011-04-05 |
$25,398,000 |
| 7914935 |
Method for managing fuel cell power increases using air flow feedback delay |
David A. Arthur |
2011-03-29 |
$12,339,000 |