Patent | Date |
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Closed-loop method for fuel cell system start-up with low voltage source Grant 9,496,572 - Alp , et al. November 15, 2 | 2016-11-15 |
Systems and methods for controlling cabin heating in fuel cell vehicles Grant 9,385,382 - Salvador , et al. July 5, 2 | 2016-07-05 |
Shutdown strategy to avoid carbon corrosion due to slow hydrogen/air intrusion rates Grant 9,368,816 - Greszler , et al. June 14, 2 | 2016-06-14 |
In-situ fuel cell stack reconditioning Grant 9,368,817 - Folmsbee , et al. June 14, 2 | 2016-06-14 |
Method for determining an average cell voltage for fuel cells Grant 8,993,185 - Salvador , et al. March 31, 2 | 2015-03-31 |
Adaptive limitation of standby mode to enhance fuel cell system life Grant 8,945,785 - Harris , et al. February 3, 2 | 2015-02-03 |
Systems and methods for preventing battery depletion in a vehicle Grant 8,924,043 - Maslyn , et al. December 30, 2 | 2014-12-30 |
Systems And Methods For Controlling Cabin Heating In Fuel Cell Vehicles App 20140363752 - SALVADOR; JOHN P. ;   et al. | 2014-12-11 |
Variable Pem Fuel Cell System Start Time To Optimize System Efficiency And Performance App 20140170514 - HARRIS; Daniel I. ;   et al. | 2014-06-19 |
Algorithm for stack current controller based on polarization curve estimation of a fuel cell stack Grant 8,722,264 - Ganapathy , et al. May 13, 2 | 2014-05-13 |
Feedback control of H2 injection during park based on gas concentration model Grant 8,722,263 - Cai , et al. May 13, 2 | 2014-05-13 |
Method For Determining An Average Cell Voltage For Fuel Cells App 20140120441 - Salvador; John P. ;   et al. | 2014-05-01 |
Dynamic voltage suppression in a fuel cell system Grant 8,647,785 - Salvador , et al. February 11, 2 | 2014-02-11 |
Shutdown Strategy To Avoid Carbon Corrosion Due To Slow Hydrogen/air Intrusion Rates App 20140038073 - Greszler; Thomas A. ;   et al. | 2014-02-06 |
Systems And Methods For Preventing Battery Depletion In A Vehicle App 20140018975 - Maslyn; Andrew J. ;   et al. | 2014-01-16 |
Shutdown strategy to avoid carbon corrosion due to slow hydrogen/air intrusion rates Grant 8,580,445 - Greszler , et al. November 12, 2 | 2013-11-12 |
Detection of small anode leaks in fuel cell systems Grant 8,524,405 - Salvador , et al. September 3, 2 | 2013-09-03 |
Reactant Control Method For A Fuel Cell System In Idle-stop Mode App 20130209906 - Harris; Daniel I. ;   et al. | 2013-08-15 |
Method of mitigating fuel cell degradation due to startup and shutdown via hydrogen/nitrogen storage Grant 8,492,046 - Yu , et al. July 23, 2 | 2013-07-23 |
Adaptive Limitation Of Standby Mode To Enhance Fuel Cell System Life App 20130177826 - HARRIS; Daniel I. ;   et al. | 2013-07-11 |
Stack shutdown purge method Grant 8,445,145 - Salvador , et al. May 21, 2 | 2013-05-21 |
Fuel cell operational methods for hydrogen addition after shutdown Grant 8,232,014 - Arthur , et al. July 31, 2 | 2012-07-31 |
Method for improving FCS reliability after end cell heater failure Grant 8,231,989 - Lebzelter , et al. July 31, 2 | 2012-07-31 |
Algorithm for online adaptive polarization curve estimation of a fuel cell stack Grant 8,214,174 - Ganapathy , et al. July 3, 2 | 2012-07-03 |
Method to perform adaptive voltage suppression of a fuel cell stack based on stack parameters Grant 8,206,860 - Ganapathy , et al. June 26, 2 | 2012-06-26 |
Online method to estimate hydrogen concentration estimation in fuel cell systems at shutdown and startup Grant 8,195,407 - Salvador , et al. June 5, 2 | 2012-06-05 |
Method for maximum net power calculation for fuel cell system based on online polarization curve estimation Grant 8,192,879 - Salvador , et al. June 5, 2 | 2012-06-05 |
Humidification control during shutdown of a fuel cell system Grant 8,168,343 - Clingerman , et al. May 1, 2 | 2012-05-01 |
Dynamic Voltage Suppression In A Fuel Cell System App 20120064423 - Salvador; John P. ;   et al. | 2012-03-15 |
Online low performing cell (LPC) prediction and detection of fuel cell system Grant 8,088,525 - Ganapathy , et al. January 3, 2 | 2012-01-03 |
Method of operating a fuel cell system in standby/regenerative mode Grant 8,088,530 - Chowdhury , et al. January 3, 2 | 2012-01-03 |
Detection Of Small Anode Leaks In Fuel Cell Systems App 20110287327 - Salvador; John P. ;   et al. | 2011-11-24 |
Feedback Control Of H2 Injection During Park Based On Gas Concentration Model App 20110244348 - Cai; Jun ;   et al. | 2011-10-06 |
Method for fast and reliable fuel cell system start-ups Grant 7,993,787 - Arthur , et al. August 9, 2 | 2011-08-09 |
Fuel Cell Operational Methods For Hydrogen Addition After Shutdown App 20110143243 - Arthur; David A. ;   et al. | 2011-06-16 |
Adaptive gain scheduled control for current limitation based on voltage performance of a fuel cell system Grant 7,955,743 - Ganapathy , et al. June 7, 2 | 2011-06-07 |
Method for fuel cell start-up with uniform hydrogen flow Grant 7,955,744 - Sienkowski , et al. June 7, 2 | 2011-06-07 |
Automated Procedure For Executing In-situ Fuel Cell Stack Reconditioning App 20110091781 - Folmsbee; Daniel T. ;   et al. | 2011-04-21 |
In-situ Fuel Cell Stack Reconditioning App 20110091780 - Folmsbee; Daniel T. ;   et al. | 2011-04-21 |
Method To Perform Adaptive Voltage Suppression Of A Fuel Cell Stack Based On Stack Parameters App 20110086286 - Ganapathy; Sriram ;   et al. | 2011-04-14 |
Online Method To Estimate Hydrogen Concentration Estimation In Fuel Cell Systems At Shutdown And Startup App 20110087441 - Salvador; John P. ;   et al. | 2011-04-14 |
Strategies for mitigating cell degradation during start-up and shutdown with H2/N2 storage Grant 7,862,942 - Salvador , et al. January 4, 2 | 2011-01-04 |
Control strategy to prevent humidity cycling in a fuel cell Grant 7,829,228 - Kallo , et al. November 9, 2 | 2010-11-09 |
Anode recirculation for a parallel dual stack fuel cell system Grant 7,799,473 - Savage , et al. September 21, 2 | 2010-09-21 |
Fuel cell system including a two-position back-pressure valve Grant 7,771,855 - Clingerman , et al. August 10, 2 | 2010-08-10 |
Method for providing back-pressure for a fuel cell stack Grant 7,749,624 - Clingerman , et al. July 6, 2 | 2010-07-06 |
Adaptive anode nitrogen management control Grant 7,740,964 - Alp , et al. June 22, 2 | 2010-06-22 |
Method Of Operating A Fuel Cell System In Standby/regenerative Mode App 20100151288 - Chowdhury; Akbar ;   et al. | 2010-06-17 |
Shutdown Strategy To Avoid Carbon Corrosion Due To Slow Hydrogen/air Intrusion Rates App 20100143754 - Greszler; Thomas A. ;   et al. | 2010-06-10 |
Humidification Control During Shutdown Of A Fuel Cell System App 20100028728 - Clingerman; Bruce J. ;   et al. | 2010-02-04 |
Fuel cell operation to minimize RH cycles to improve durability Grant 7,597,975 - Pettit , et al. October 6, 2 | 2009-10-06 |
Online Low Performing Cell (LPC) Prediction and Detection of Fuel Cell System App 20090197155 - Ganapathy; Sriram ;   et al. | 2009-08-06 |
Algorithm for Stack Current Controller Based on Polarization Curve Estimation of a Fuel Cell Stack App 20090197127 - Ganapathy; Sriram ;   et al. | 2009-08-06 |
Method for Maximum Net Power Calculation for Fuel Cell System Based on Online Polarization Curve Estimation App 20090197125 - Salvador; John P. ;   et al. | 2009-08-06 |
Adaptive Gain Scheduled Control for Current Limitation Based on Voltage Performance of a Fuel Cell System App 20090197126 - Ganapathy; Sriram ;   et al. | 2009-08-06 |
Method for Improving FCS Reliability After End Cell Heater Failure App 20090110966 - Lebzelter; Derek R. ;   et al. | 2009-04-30 |
Method for Fast and Reliable Fuel Cell System Start-Ups App 20090081491 - Arthur; David A. ;   et al. | 2009-03-26 |
Closed-loop Method For Fuel Cell System Start-up With Low Voltage Source App 20090081490 - Alp; Abdullah B. ;   et al. | 2009-03-26 |
Fuel cell stack design and method of operation Grant 7,494,735 - Rapaport , et al. February 24, 2 | 2009-02-24 |
Method For Fuel Cell Start-up With Uniform Hydrogen Flow App 20080311437 - Sienkowski; Jon R. ;   et al. | 2008-12-18 |
Fuel Cell System Using Cathode Exhaust For Anode Recirculation App 20080311441 - Hochgraf; Clark G. ;   et al. | 2008-12-18 |
Strategies for Mitigating Cell Degradation During Start-Up and Shutdown with H2/N2 Storage App 20080182138 - Salvador; John P. ;   et al. | 2008-07-31 |
Algorithm for Online Adaptive Polarization Curve Estimation of a Fuel Cell Stack App 20080182139 - Ganapathy; Sriram ;   et al. | 2008-07-31 |
Anode recirculation for a parallel dual stack fuel cell system App 20080160353 - Savage; David R. ;   et al. | 2008-07-03 |
Method Of Mitigating Fuel Cell Degradation Due To Startup And Shutdown Via Hydrogen/nitrogen Storage App 20080145716 - Yu; Paul Taichiang ;   et al. | 2008-06-19 |
Stack Shutdown Purge Method App 20080075986 - Salvador; John P. ;   et al. | 2008-03-27 |
Fuel cell operation to minimize RH cycles to improve durability App 20070265802 - Pettit; William H. ;   et al. | 2007-11-15 |
Adaptive anode nitrogen management control App 20070231636 - Alp; Abdullah B. ;   et al. | 2007-10-04 |
Method for Providing Back-Pressure for a Fuel Cell Stack App 20070231629 - Clingerman; Bruce Jeffrey ;   et al. | 2007-10-04 |
Fuel Cell System Including a Two-Position Back-Pressure Valve App 20070231640 - Clingerman; Bruce Jeffrey ;   et al. | 2007-10-04 |
Fuel cell system with recuperative heat exchanger Grant 7,276,308 - Formanski , et al. October 2, 2 | 2007-10-02 |
Fuel cell system back-pressure control with a discrete valve Grant 7,235,318 - Clingerman , et al. June 26, 2 | 2007-06-26 |
Fuel cell system back-pressure control with a discrete valve App 20050186457 - Clingerman, Bruce Jeffrey ;   et al. | 2005-08-25 |
Fuel cell stack design and method of operation App 20050019648 - Rapaport, Pinkhas A. ;   et al. | 2005-01-27 |
Fuel cell having dynamically regulated backpressure Grant 6,815,106 - Salvador , et al. November 9, 2 | 2004-11-09 |
Fuel cell stack design and method of operation Grant 6,794,068 - Rapaport , et al. September 21, 2 | 2004-09-21 |
Fuel cell system with recuperative heat exchanger App 20040151958 - Formanski, Volker ;   et al. | 2004-08-05 |
Fuel cell system with recuperative heat exchanger App 20040151959 - Formanski, Volker ;   et al. | 2004-08-05 |
Fuel cell stack design and method of operation App 20040043279 - Rapaport, Pinkhas A. ;   et al. | 2004-03-04 |