| Patent | Date |
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Process And System For Anode Overpressure Remedial Action In A Fuel Cell System
App 20210135256 - Clingerman; Bruce J. ; et al. | 2021-05-06 |
Fuel cell cathode balance of plant freeze strategy
Grant 10,290,880 - Clingerman , et al. | 2019-05-14 |
Dual seal anode drain / purge tube
Grant 9,812,721 - Chinnici , et al. November 7, 2 | 2017-11-07 |
Fuel cell startup method for fast freeze startup
Grant 9,728,799 - Burch , et al. August 8, 2 | 2017-08-08 |
Dual Seal Anode Drain / Purge Tube
App 20160365588 - Chinnici; Anthony G. ; et al. | 2016-12-15 |
Slip stream for reliable anode to cathode flow in freeze conditions
Grant 9,520,604 - Leary , et al. December 13, 2 | 2016-12-13 |
Controls giving -25.degree. C. freeze start capability to a fuel cell system
Grant 9,379,396 - Clingerman , et al. June 28, 2 | 2016-06-28 |
Selectively reacting to the minimum cell voltage drop rate in a fuel cell system
Grant 9,231,263 - Lebzelter , et al. January 5, 2 | 2016-01-05 |
Fuel Cell Cathode Balance Of Plant Freeze Strategy
App 20150311547 - Clingerman; Bruce J. ; et al. | 2015-10-29 |
Subzero ambient shutdown purge operating strategy for PEM fuel cell system
Grant 9,070,921 - Cartwright , et al. June 30, 2 | 2015-06-30 |
Ice breaking anode valve
Grant 8,955,820 - Clingerman , et al. February 17, 2 | 2015-02-17 |
Automated cold storage protection for a fuel cell system
Grant 8,900,766 - Rogahn , et al. December 2, 2 | 2014-12-02 |
Fuel Cell Startup Method For Fast Freeze Startup
App 20140342258 - Burch; Steven D. ; et al. | 2014-11-20 |
Slip Stream For Reliable Anode To Cathode Flow In Freeze Conditions
App 20140272650 - Leary; James K. ; et al. | 2014-09-18 |
Fuel cell startup method for fast freeze startup
Grant 8,835,065 - Burch , et al. September 16, 2 | 2014-09-16 |
Selectively Reacting To The Minimum Cell Voltage Drop Rate In A Fuel Cell System
App 20140205924 - Lebzelter; Derek R. ; et al. | 2014-07-24 |
Wax elements as passive control devices in fuel cell power systems
Grant 8,785,067 - Menon , et al. July 22, 2 | 2014-07-22 |
Freeze tolerant introduction of hydrogen to cathode exhaust in a fuel cell system
Grant 8,722,259 - Clingerman , et al. May 13, 2 | 2014-05-13 |
Diagnostic to determine a valve/line freeze-up or failure in a fuel cell bleed manifold unit
Grant 8,722,218 - Frost , et al. May 13, 2 | 2014-05-13 |
Automated Cold Storage Protection For A Fuel Cell System
App 20140093801 - ROGAHN; AARON ; et al. | 2014-04-03 |
Method to improve fuel cell system performance using cell voltage prediction of fuel cell stack
Grant 8,642,220 - Zhang , et al. February 4, 2 | 2014-02-04 |
Cold start compressor control and mechanization in a fuel cell system
Grant 8,617,752 - Rainville , et al. December 31, 2 | 2013-12-31 |
Cold start compressor control and mechanization in a fuel cell system
Grant 08617752 - | 2013-12-31 |
Methods and controls for hydrogen to cathode inlet of a fuel cell system
Grant 8,603,690 - Burch , et al. December 10, 2 | 2013-12-10 |
Fuel cell system water management strategy for freeze capability
Grant 8,574,776 - Clingerman , et al. November 5, 2 | 2013-11-05 |
Fuel cell humidifier diagnostic
Grant 8,551,664 - Tighe , et al. October 8, 2 | 2013-10-08 |
Subzero Ambient Shutdown Purge Operating Strategy For Pem Fuel Cell System
App 20130260185 - Cartwright; Michael ; et al. | 2013-10-03 |
Self-learning satellite navigation assisted hybrid vehicle controls system
Grant 8,374,740 - Druenert , et al. February 12, 2 | 2013-02-12 |
Ice Breaking Anode Valve
App 20130009082 - Clingerman; Bruce J. ; et al. | 2013-01-10 |
Control method for cold fuel cell system operation
Grant 8,192,881 - Kirklin , et al. June 5, 2 | 2012-06-05 |
Method and algorithm to detect frozen anode pressure sensor
Grant 8,192,878 - Devries , 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 |
Remedial action to operate a fuel cell system with a failed bleed manifold unit
Grant 8,088,529 - Clingerman , et al. January 3, 2 | 2012-01-03 |
CONTROLS GIVING -25.degree. C FREEZE START CAPABILITY TO A FUEL CELL SYSTEM
App 20110262822 - Clingerman; Bruce J. ; et al. | 2011-10-27 |
Self-learning Satellite Navigation Assisted Hybrid Vehicle Controls System
App 20110264317 - Druenert; Volker ; et al. | 2011-10-27 |
Method To Improve Fuel Cell System Performance Using Cell Voltage Prediction Of Fuel Cell Stack
App 20110076582 - Zhang; Yanyan ; et al. | 2011-03-31 |
Fuel cell system including a two-position back-pressure valve
Grant 7,771,855 - Clingerman , et al. August 10, 2 | 2010-08-10 |
Anode air purge valve design
Grant 7,771,888 - Rogahn , et al. August 10, 2 | 2010-08-10 |
Method And Algorithm To Detect Frozen Anode Pressure Sensor
App 20100190079 - Devries; Loren ; et al. | 2010-07-29 |
Method for providing back-pressure for a fuel cell stack
Grant 7,749,624 - Clingerman , et al. July 6, 2 | 2010-07-06 |
Methods And Controls For Hydrogen To Cathode Inlet Of A Fuel Cell System
App 20100151284 - Burch; Steven D. ; et al. | 2010-06-17 |
Freeze Tolerant Introduction Of H2 To Cathode Exhaust In A Fuel Cell System
App 20100112410 - Clingerman; Bruce J. ; et al. | 2010-05-06 |
Diagnostic To Determine A Valve/line Freeze-up Or Failure In A Fuel Cell Bleed Manifold Unit
App 20100112383 - Frost; Patrick ; et al. | 2010-05-06 |
Remedial Action To Operate A Fuel Cell System With A Failed Bleed Manifold Unit
App 20100112384 - Clingerman; Bruce J. ; et al. | 2010-05-06 |
Humidification Control During Shutdown Of A Fuel Cell System
App 20100028728 - Clingerman; Bruce J. ; et al. | 2010-02-04 |
Cathode transient humidity control in a fuel cell system
Grant 7,514,171 - Rainville , et al. April 7, 2 | 2009-04-07 |
Control Method For Cold Fuel Cell System Operation
App 20090017340 - Kirklin; Matthew C. ; et al. | 2009-01-15 |
Fuel cell stack temperature control system and method
Grant 7,465,508 - Alp , et al. December 16, 2 | 2008-12-16 |
Model-based feed-forward control system for power (or current) in a fuel cell system
Grant 7,432,005 - Keskula , et al. October 7, 2 | 2008-10-07 |
Cold Start Compressor Control And Mechanization In A Fuel Cell System
App 20080226956 - Rainville; Joseph D. ; et al. | 2008-09-18 |
Use of Wax Elements as Passive Control Devices in Fuel Cell Power Systems
App 20080187803 - Menon; Prem ; et al. | 2008-08-07 |
Anode Air Purge Valve Design
App 20080176127 - Rogahn; Aaron ; et al. | 2008-07-24 |
Transient controls to improve fuel cell performance and stack durability
Grant 7,402,353 - Shaffer , et al. July 22, 2 | 2008-07-22 |
Fuel Cell Startup Method For Fast Freeze Startup
App 20080081224 - Burch; Steven D. ; et al. | 2008-04-03 |
Air distribution method and controller for a fuel cell system
Grant 7,348,084 - Keskula , et al. March 25, 2 | 2008-03-25 |
Starting a fuel cell system using ambient air and a low voltage blower
Grant 7,344,788 - Clingerman , et al. March 18, 2 | 2008-03-18 |
Fuel cell system water management strategy for freeze capability
App 20070298289 - Clingerman; Bruce J. ; et al. | 2007-12-27 |
Cathode transient humidity control in a fuel cell system
App 20070287042 - Rainville; Joseph D. ; et al. | 2007-12-13 |
System for controlling front and back end temperatures of a shift reactor
Grant 7,160,341 - Sinha , et al. January 9, 2 | 2007-01-09 |
Method and apparatus for venting and purging of a fuel cell
Grant 7,132,181 - Clingerman , et al. November 7, 2 | 2006-11-07 |
Fuel cell stack temperature control system and method
App 20060019136 - Alp; Abdullah B. ; et al. | 2006-01-26 |
Electrical current measurement in a fuel cell
App 20050260471 - Logan, Victor W. ; et al. | 2005-11-24 |
Air distribution method and controller for a fuel cell system
App 20050255343 - Keskula, Donald H. ; et al. | 2005-11-17 |
Method for real-time monitoring and control of cathode stoichiometry in fuel cell system
App 20050233182 - Fuss, Robert L. ; et al. | 2005-10-20 |
Transient controls to improve fuel cell performance and stack durability
App 20050227125 - Shaffer, Brian D. ; et al. | 2005-10-13 |
Air distribution method and controller for a fuel cell system
Grant 6,942,937 - Keskula , et al. September 13, 2 | 2005-09-13 |
Starting a fuel cell system using ambient air and a low voltage blower
App 20050186454 - Clingerman, Bruce J. ; et al. | 2005-08-25 |
Lambda sensing with a fuel cell stack
Grant 6,893,756 - Clingerman , et al. May 17, 2 | 2005-05-17 |
Electronic by-pass control of gas around the humidifier to the fuel cell stack
Grant 6,884,534 - Wheat , et al. April 26, 2 | 2005-04-26 |
Method and apparatus for venting and purging of a fuel cell
App 20050031922 - Clingerman, Bruce J. ; et al. | 2005-02-10 |
Fuel cell stack monitoring and system control
Grant 6,847,188 - Keskula , et al. January 25, 2 | 2005-01-25 |
Staged venting of fuel cell system during rapid shutdown
Grant 6,790,548 - Keskula , et al. September 14, 2 | 2004-09-14 |
Fuel cell stack monitoring and system control
App 20040151955 - Keskula, Donald H. ; et al. | 2004-08-05 |
Diagnostic system for identifying fuel injector failure in a fuel cell system
Grant 6,755,077 - Clingerman , et al. June 29, 2 | 2004-06-29 |
Coolant fan control for fuel cell systems
Grant 6,743,539 - Clingerman , et al. June 1, 2 | 2004-06-01 |
System and method for controlling steam in a fuel system with a fuel processor
Grant 6,709,780 - Keskula , et al. March 23, 2 | 2004-03-23 |
Electronic by-pass of fuel cell cathode gas to combustor
Grant 6,706,430 - Wheat , et al. March 16, 2 | 2004-03-16 |
Fuel cell stack monitoring and system control
Grant 6,692,851 - Keskula , et al. February 17, 2 | 2004-02-17 |
Air supply pressure setpoint determination for a fuel cell power module
Grant 6,670,064 - Keskula , et al. December 30, 2 | 2003-12-30 |
Diagnostic system for identifying fuel injector failure in a fuel cell system
App 20030226399 - Clingerman, Bruce J. ; et al. | 2003-12-11 |
System and method for controlling steam in a fuel system with a fuel processor
App 20030203256 - Keskula, Donald H. ; et al. | 2003-10-30 |
Lambda sensing with a fuel cell stack
App 20030203253 - Clingerman, Bruce J. ; et al. | 2003-10-30 |
Coolant fan control for fuel cell systems
App 20030203255 - Clingerman, Bruce J. ; et al. | 2003-10-30 |
Model-based feed-forward control system for power (or current) in a fuel cell system
App 20030203247 - Keskula, Donald H. ; et al. | 2003-10-30 |
System for controlling front and back end temperatures of a shift reactor
App 20030202910 - Sinha, Manish ; et al. | 2003-10-30 |
Air Supply Pressure Setpoint Determination For A Fuel Cell Power Module
App 20030203257 - Keskula, Donald H. ; et al. | 2003-10-30 |
Air distribution method and controller for a fuel cell system
App 20030186096 - Keskula, Donald H. ; et al. | 2003-10-02 |
Control apparatus and method for efficiently heating a fuel processor in a fuel cell system
Grant 6,602,624 - Doan , et al. August 5, 2 | 2003-08-05 |
Electronic by-pass control of gas around the humidifier to the fuel cell stack
App 20020164509 - Wheat, William S. ; et al. | 2002-11-07 |
Electronic by-pass of fuel cell cathode gas to combustor
App 20020164508 - Wheat, William S. ; et al. | 2002-11-07 |
Method for operating a combustor in a fuel cell system
Grant 6,451,465 - Chalfant , et al. September 17, 2 | 2002-09-17 |
Staged venting of fuel cell system during rapid shutdown
App 20020110710 - Keskula, Donald H. ; et al. | 2002-08-15 |
Method and apparatus for controlling combustor temperature during transient load changes
Grant 6,416,893 - Clingerman , et al. July 9, 2 | 2002-07-09 |
Fuel cell system shutdown with anode pressure control
Grant 6,413,662 - Clingerman , et al. July 2, 2 | 2002-07-02 |
Staged venting of fuel cell system during rapid shutdown
Grant 6,395,414 - Clingerman , et al. May 28, 2 | 2002-05-28 |
Fuel processor temperature monitoring and control
Grant 6,391,484 - Keskula , et al. May 21, 2 | 2002-05-21 |
Fuel cell stack monitoring and system control
App 20020051899 - Keskula, Donald H. ; et al. | 2002-05-02 |
Controlled shutdown of a fuel cell
Grant 6,376,112 - Clingerman , et al. April 23, 2 | 2002-04-23 |
Combustor air flow control method for fuel cell apparatus
Grant 6,306,531 - Clingerman , et al. October 23, 2 | 2001-10-23 |
Fuel cell system logic for differentiating between rapid and normal shutdown commands
Grant 6,159,626 - Keskula , et al. December 12, 2 | 2000-12-12 |
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