| 11971592 |
Cable having ribbon stack in a hexagonal arrangement |
Badri Gomatam |
2024-04-30 |
|
| 11735751 |
Intelligent fuel cell systems and control logic for smart use of anode header drain valves for FCS bleed and drainage |
Xiaofeng Wang, Sergio E. Garcia, Chad Dubois |
2023-08-22 |
$12,759,000 |
| 11641022 |
Controlling purge operation for fuel cell assembly |
Biju Edamana, Aaron Rogahn, Michael Cartwright |
2023-05-02 |
$27,843,000 |
| 11631873 |
Method for controlling a fuel cell system having a hydrogen fuel injector/ejector |
Xiaofeng Wang, Chad Dubois, Sergio E. Garcia |
2023-04-18 |
$31,474,000 |
| 11031615 |
Method of operating a fuel cell stack having a temporarily disabled drain valve |
Xiaofeng Wang, Chad Dubois, Sergio E. Garcia |
2021-06-08 |
$71,853,000 |
| 10971745 |
Cell reversal diagnostics for a fuel cell stack |
Jingxin Zhang, Andrew J. Maslyn |
2021-04-06 |
$71,265,000 |
| 10726040 |
Lossless conversion of database tables between formats |
Aditya Kapoor, Vipul Khullar |
2020-07-28 |
$2,747,000 |
| 10581100 |
Method of operating a fuel cell stack having a temporarily disabled bleed valve |
Chad Dubois, Xiaofeng Wang, Sergio E. Garcia |
2020-03-03 |
$6,985,000 |
| 10439239 |
Shutdown method of fuel cell stack and fuel cell system therefor |
Michael Cartwright, Pinkhas A. Rapaport, Asao Uenodai |
2019-10-08 |
$12,753,000 |
| 10249893 |
Fuel cell architectures, monitoring systems, and control logic for characterizing fluid flow in fuel cell stacks |
Jeffrey J. Gagliardo, Chad Dubois, Xiaofeng Wang |
2019-04-02 |
$10,458,000 |
| 10218018 |
Fuel cell stack health monitoring using groups of fuel cells |
Pinkhas A. Rapaport, Hiromichi Yoshida, Shohei Toyota, Yeh-Hung Lai |
2019-02-26 |
$19,419,000 |
| 10193173 |
Electrochemical hydrogen sensor for global/local hydrogen starvation detection in PEM fuel cells |
Jingxin Zhang, Balasubramanian Lakshmanan |
2019-01-29 |
$9,783,000 |
| 10050288 |
Systems and methods for detecting leaks in a fuel cell system |
Stephen D. Pace, Jun Cai |
2018-08-14 |
$16,554,000 |
| 9853312 |
Method for determining membrane protonic resistance of a fuel cell stack |
Derek R. Lebzelter, John C. Fagley, Megan J. Quick, Rodney J. Rhodes, Sergio E. Garcia +1 more |
2017-12-26 |
$8,892,000 |
| 9564648 |
Anode leak location detection |
Daniel C. Di Fiore, Steven R. Falta, Matthew A. Lang |
2017-02-07 |
$15,315,000 |
| 9379396 |
Controls giving −25° C. freeze start capability to a fuel cell system |
Bruce J. Clingerman, Aaron Rogahn, Jun Cai, Joseph C. Gerzseny, Steven D. Burch +1 more |
2016-06-28 |
$6,808,000 |
| 9306230 |
Online estimation of cathode inlet and outlet RH from stack average HFR |
— |
2016-04-05 |
$8,155,000 |
| 9172103 |
Transient inlet relative humidity estimation via adaptive cathode humidification unit model and high frequency resistance |
Sergio E. Garcia, Todd K. Preston, Edward George Himes |
2015-10-27 |
$9,196,000 |
| 9105892 |
Adaptive method for conversion of external power request to current setpoint to a fuel cell system based on stack performance |
Sriram Ganapathy, Kiran Mallavarapu, Stefan W. Lixfeld |
2015-08-11 |
$8,911,000 |
| 9018961 |
Diagnosing injector failure via stack voltage response analysis |
Daniel C. Di Fiore, John C. Fagley, Steven R. Falta |
2015-04-28 |
$7,276,000 |
| 8906570 |
System and method for observing anode fluid composition during fuel cell start-up |
Patrick Frost, Daniel I. Harris, Gary M. Robb |
2014-12-09 |
$11,528,000 |
| 8855942 |
Anode bleed control strategy for improved water management and hydrogen utilization |
Prasad Gade, Jon R. Sienkowski, Balasubramanian Lakshmanan |
2014-10-07 |
$6,567,000 |
| 8771895 |
Online anode pressure bias to maximize bleed velocity while meeting emission constraint |
Seth E. Lerner, Patrick Frost, Victor W. Logan, Balasubramanian Lakshmanan |
2014-07-08 |
$6,643,000 |
| 8647783 |
Auto-learning of base stack resistance for HFR based RH control |
Derek R. Lebzelter, John C. Fagley, Megan J. Quick, Rodney J. Rhodes, Sergio E. Garcia +1 more |
2014-02-11 |
$14,377,000 |
| 8450018 |
Method to automatically enable/disable stack reconditioning procedure based on fuel cell stack parameter estimation |
Sriram Ganapathy, Tayoung Choi, David A. Arthur |
2013-05-28 |
$8,105,000 |
