ClassID:

213498

H01M8/04559 - page 3 - CPC Classification

Classification description:

Fuel cells; Manufacture thereof; Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids; Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function; Electric variables; Voltage of fuel cell stacks

Recent Application in this class:
#601
20100291447
2010-11-18

Fuel cell system

#602
20100287126
2010-11-11

Battery learning system

#603
20100286939
2010-11-11

METHOD AND APPARATUS FOR DIAGNOSING DETERIORATION OF FUEL CELL

#604
20100285379
2010-11-11

Transitioning an electrochemical cell stack between a power producing mode and a pumping mode

#605
20100279187
2010-11-04

Fuel cell system and fuel cell vehicle

#606
20100273075
2010-10-28

Fuel cell system

#607
20100266921
2010-10-21

Power control for hybrid fuel cell systems

#608
20100266919
2010-10-21

Fuel cell system

#609
20100266916
2010-10-21

Fuel cell system

#610
20100266914
2010-10-21

Fuel cell system

#611
20100266911
2010-10-21

Fuel cell system with scavenging means and control unit thereof

#612
20100266876
2010-10-21

FUEL CELL POWER GENERATION SYSTEM

#613
20100264930
2010-10-21

Fuel cell system

#614
20100261086
2010-10-14

Fuel cell system and power management method thereof

#615
20100261085
2010-10-14

Electric power source arrangement and method of how to use it

#616
20100261084
2010-10-14

Fuel cell system

#617
20100261080
2010-10-14

FUEL CELL SYSTEM AND METHOD OF CONTROLLING STARTUP OF FUEL CELL SYSTEM

#618
20100261079
2010-10-14

Fuel cell system

#619
20100253276
2010-10-07

Power supply system and circuit control method thereof

#620
20100248054
2010-09-30

Fuel cell system

#621
20100248053
2010-09-30

Fuel cell system

#622
20100248052
2010-09-30

Fuel cell, fuel cell system, and electronic device

#623
20100248051
2010-09-30

Method of controlling output of fuel cell system and vehicle with fuel cell system

#624
20100239930
2010-09-23

Fuel cell system and method of controlling the same

#625
20100235031
2010-09-16

Output controller for fuel cell

#626
20100233559
2010-09-16

Fuel cell system for a vehicle, method for monitoring a fuel cell system

#627
20100233556
2010-09-16

Fuel cell system

#628
20100227242
2010-09-09

Fuel cell system, and operation method for fuel cell

#629
20100227237
2010-09-09

Fuel cell system, control method therefor, and movable object

#630
20100221626
2010-09-02

Dual-power-supply system

#631
20100221624
2010-09-02

Fuel cell system

#632
20100221621
2010-09-02

Operation method at the time of load reduction of fuel cell system

#633
20100209795
2010-08-19

POWER SUBSYSTEM FOR A FUEL CELL SYSTEM

#634
20100209792
2010-08-19

Fuel cell system

#635
20100209791
2010-08-19

FUEL CELL SYSTEM

#636
20100203409
2010-08-12

Fuel cell system and its control method

#637
20100203408
2010-08-12

Fuel cell system and method for operating the same

#638
20100190077
2010-07-29

FUEL CELL SYSTEM AND ELECTRONIC APPARATUS

#639
20100188093
2010-07-29

Cell voltage detecting system and drive voltage maintaining method

#640
20100167174
2010-07-01

FUEL CELL SYSTEM

#641
20100167098
2010-07-01

FUEL CELL SYSTEM AND TRANSPORTATION EQUIPMENT INCLUDING THE SAME

#642
20100159339
2010-06-24

Apparatus and method for heating fuel cells

#643
20100159296
2010-06-24

Fuel cell system and driving method thereof

#644
20100151339
2010-06-17

FUEL CELL SYSTEM AND METHOD FOR REGULATING A FUEL CELL SYSTEM

#645
20100151285
2010-06-17

Anode reactive bleed and injector shift control strategy

#646
20100143813
2010-06-10

Freeze start operation in a fuel cell with a blocked anode cell

#647
20100141212
2010-06-10

Stimulation and intensification of interfacial processes

#648
20100136450
2010-06-03

Fuel cell system with bypass path and operation method for controlling bypass path of fuel cell system

#649
20100136440
2010-06-03

FUEL CELL APPARATUS AND FUEL CELL SYSTEM

#650
20100131138
2010-05-27

On/off control method for air blower of fuel cell vehicle

#651
20100119899
2010-05-13

FUEL CELL SYSTEM

#652
20100119879
2010-05-13

METHODS AND APPARATUS FOR STIMULATING AND MANAGING POWER FROM MICROBIAL FUEL CELLS

#653
20100114513
2010-05-06

ESTIMATING MINIMUM VOLTAGE OF FUEL CELLS

#654
20100112402
2010-05-06

Fuel cell system

#655
20100112401
2010-05-06

Fuel cell system, electrode catalyst degradation judgment method, and moving body

#656
20100098977
2010-04-22

Current collector of end plate for fuel cell and method for controlling the same

#657
20100092819
2010-04-15

FUEL CELL SYSTEM

#658
20100092817
2010-04-15

Method for revising a polarization curve that defines the current/voltage relationship of a fuel cell stack

#659
20100092816
2010-04-15

Methods of removing contaminants from a fuel cell electrode

#660
20100084923
2010-04-08

FUEL CELL SYSTEM

#661
20100068577
2010-03-18

Fuel cell system and method therefor

#662
20100068576
2010-03-18

Fuel cell system

#663
20100068569
2010-03-18

Fuel cell system and method for controlling the fuel cell system

#664
20100068566
2010-03-18

METHOD FOR MINIMIZING MEMBRANE ELECTRODE DEGRADATION IN A FUEL CELL POWER PLANT

#665
20100055522
2010-03-04

Fuel cell system

#666
20100055508
2010-03-04

FUEL CELL SYSTEMS WITH WATER RECOVERY FROM FUEL CELL EFFLUENT

#667
20100047663
2010-02-25

Fuel cell system

#668
20100047644
2010-02-25

Fuel cell system with a scavenging device and AC impedance measuring unit

#669
20100047630
2010-02-25

Fuel cell system and its operation method

#670
20100040931
2010-02-18

INTEGRATION OF ELECTRONICS AND ELECTRICAL DISTRIBUTION INSIDE A FUEL CELL STACK

#671
20100040914
2010-02-18

FUEL-CASCADED FUEL CELL STACKS WITH DECOUPLED POWER OUTPUTS

#672
20100028732
2010-02-04

METHOD AN APPARATUS FOR OPERATING A SOLID-OXIDE FUEL CELL STACK WITH A MIXED IONIC/ELECTRONIC CONDUCTING ELECTROLYTE

#673
20100026307
2010-02-04

Methods for predicting the future performance of fuel cell stacks and individual fuel cells

#674
20100021775
2010-01-28

Apparatus for portable fuel cells and operating method thereof

#675
20100015474
2010-01-21

Adaptive Technique and Apparatus to Detect an Unhealthy Condition of a Fuel Cell System

#676
20100003560
2010-01-07

Fuel cell

#677
20100003551
2010-01-07

Method for operating a fuel cell system in a mode of reduced power output

#678
20100003550
2010-01-07

FUEL CELL DEVICE AND METHOD FPR REGULATING FUEL SUPPLY TO FUEL CELL DEVICE

#679
20100003546
2010-01-07

System and method for shorting a fuel cell stack

#680
20090325012
2009-12-31

ALKALINE FUEL CELL SYSTEM

#681
20090325006
2009-12-31

FUEL CELL SYSTEM

#682
20090317677
2009-12-24

Device and method for enhanced air circulation

#683
20090305101
2009-12-10

Fuel Cell Apparatus Having a Current Sensor and a Current Sensor for a Fuel Cell Apparatus

#684
20090305086
2009-12-10

Apparatus for monitoring cell voltage and fuel cells using the same

#685
20090286112
2009-11-19

METHOD FOR ACCELERATING ACTIVATION OF FUEL CELL

#686
20090284214
2009-11-19

Power management method using feedback current bias for simultaneously controlling low cells and overall stack voltage

#687
20090274934
2009-11-05

Fuel cell system and starting method therefor

#688
20090269635
2009-10-29

Fuel cell system capable of reducing deterioration of fuel cell

#689
20090269628
2009-10-29

Fuel cell system, estimation device of amount of anode gas to be generated and estimation method of amount of anode gas to be generated

#690
20090267556
2009-10-29

Fuel cell drive system

#691
20090263696
2009-10-22

Shutdown operations for a sealed anode fuel cell system

#692
20090263679
2009-10-22

SHUTDOWN OPERATIONS FOR AN UNSEALED CATHODE FUEL CELL SYSTEM

#693
20090261657
2009-10-22

Method and system of hybrid power management

#694
20090258257
2009-10-15

Fuel cell system having wet-state determination

#695
20090253000
2009-10-08

System and method for operating a high temperature fuel cell as a back-up power supply with reduced performance decay

#696
20090252995
2009-10-08

FUEL CELL WITH OXYGEN TRANSPORT MEMBRANE

#697
20090246571
2009-10-01

DETERMINATION OF THE LAMBDA VALUE OF REFORMATE WITH THE AID OF A FUEL CELL

#698
20090233129
2009-09-17

Method of starting operation of fuel cell system

#699
20090233127
2009-09-17

FUEL CELL SYSTEM

#700
20090214912
2009-08-27

ELECTRONIC APPARATUS

#701
20090214909
2009-08-27

Fuel cell with anode exhaust recirculation means

#702
20090214765
2009-08-27

Fuel Cell Anode Structures For Voltage Reversal Tolerance

#703
20090213896
2009-08-27

Freezing detection method for fuel cell

#704
20090208786
2009-08-20

FUEL CELL SYSTEM

#705
20090197129
2009-08-06

Fuel cell system having decreased deterioration during initiation

#706
20090197126
2009-08-06

Adaptive gain scheduled control for current limitation based on voltage performance of a fuel cell system

#707
20090186258
2009-07-23

ION CONDUCTOR AND FUEL CELL

#708
20090186257
2009-07-23

DIRECT METHANOL FUEL CELL SYSTEM, FUEL CARTRIDGE, AND MEMORY FOR FUEL CARTRIDGE

#709
20090186247
2009-07-23

Fuel cell power supply

#710
20090181271
2009-07-16

Fuel cell system

#711
20090181265
2009-07-16

ENERGY MANAGEMENT MODULE AND DRIVING DEVICE

#712
20090176132
2009-07-09

Fuel cell system capable of supplying and receiving power and method of operating the same

#713
20090169937
2009-07-02

Fuel cell system and mobile body

#714
20090169936
2009-07-02

Fuel cell system with a learning capability to readjust the driving characteristic of a gas supply device and vehicle

#715
20090169927
2009-07-02

Fuel cell system

#716
20090169926
2009-07-02

Method for stopping power generation of fuel cell system and fuel cell system including power generation stopping unit

#717
20090162711
2009-06-25

Fuel cell

#718
20090148736
2009-06-11

Fuel cell system and mobile object

#719
20090148735
2009-06-11

Fuel cell system

#720
20090148730
2009-06-11

Fuel cell power generation system, its stopping/safekeeping method and program

#721
20090142630
2009-06-04

Fuel cell apparatus

#722
20090130510
2009-05-21

Fuel Cell System and Mobile Article

#723
20090130509
2009-05-21

Fuel cell system

#724
20090130508
2009-05-21

Fuel cell system

#725
20090130497
2009-05-21

Fuel cell system and starting method therefor

#726
20090123797
2009-05-14

Efficient micro fuel cell systems and methods

#727
20090123787
2009-05-14

Fuel cell power plant and control method thereof

#728
20090123785
2009-05-14

FUEL CELL SYSTEM AND CONTROL METHOD THEREFOR

#729
20090117420
2009-05-07

METHOD FOR JUDGING SYSTEM CONDITION IN FUEL CELL SYSTEM

#730
20090112384
2009-04-30

Startup sequence control method of fuel cell-super capacitor hybrid electric vehicle

#731
20090110993
2009-04-30

Segmented solid oxide fuel cell stack and methods for operation and use thereof

#732
20090110987
2009-04-30

Startup gas supply pressure control device of fuel cell system

#733
20090110970
2009-04-30

Fuel cell system, control method therefor, and movable body

#734
20090110968
2009-04-30

METHOD AND APPARATUS FOR CONTROLLING FUEL CONCENTRATION IN DIRECT LIQUID FUEL CELL

#735
20090110965
2009-04-30

METHOD FOR SUPPLYING FUEL TO FUEL CELL

#736
20090104490
2009-04-23

FUEL CELL SYSTEM AND INITIAL DRIVING METHOD THEREOF

#737
20090104478
2009-04-23

Method for controlling the pressure in an anode of a fuel cell, and a fuel cell

#738
20090098427
2009-04-16

Fuel Cell Power Plant Diverting Air in Response to Low Demand

#739
20090096464
2009-04-16

Electrical leakage detecting device for a fuel cell system

#740
20090092868
2009-04-09

Fuel cell system and control method thereof

#741
20090092861
2009-04-09

INTEGRATED FUEL CELL CONTROLLER FOR DEVICES

#742
20090087700
2009-04-02

Operation of a Fuel Cell

#743
20090079382
2009-03-26

Electrical power unit

#744
20090075127
2009-03-19

METHOD FOR MEASURING HIGH-FREQUENCY RESISTANCE OF FUEL CELL IN A VEHICLE

#745
20090068520
2009-03-12

Fuel cell system and method of starting operation of fuel cell system

#746
20090061269
2009-03-05

Fuel cell system and control method therefor

#747
20090061263
2009-03-05

FUEL CELL SYSTEM AND METHOD FOR ESTIMATING OUTPUT CHARACTERISTIC OF FUEL CELL

#748
20090047555
2009-02-19

Fuel cell system

#749
20090035613
2009-02-05

Fuel cell system

#750
20090029197
2009-01-29

Fuel cell apparatus, vehicle including the fuel cell apparatus, and power management method for a system equipped with fuel cell unit

#751
20090023022
2009-01-22

Electronic apparatus, control method and program thereof, and battery for operating electronic apparatus

#752
20090011301
2009-01-08

Controlling the Requested Power Output of a Fuel Cell System

#753
20090008167
2009-01-08

Fuel cell vehicle, and method of supplying electric power

#754
20090008166
2009-01-08

Electric system for fuel cell, fuel cell vehicle, and method of supplying electric power

#755
20090004514
2009-01-01

Method of selecting non-humidification operation condition of proton exchange membrane fuel cell

#756
20080311449
2008-12-18

Fuel cell system

#757
20080311440
2008-12-18

FUEL CELL SYSTEM AND METHOD OF OPERATING THE SAME

#758
20080297113
2008-12-04

Electric power supply system

#759
20080292918
2008-11-27

Electrochemical system having multiple independent circuits

#760
20080290831
2008-11-27

FUEL CELL SYSTEM COMPRISING BATTERY AND METHOD OF CONSUMING RESIDUAL FUEL IN THE FUEL CELL SYSTEM

#761
20080286613
2008-11-20

Fuel cell system

#762
20080257621
2008-10-23

Fuel cell vehicle system

#763
20080248365
2008-10-09

Flow Control Apparatus and Method for Fuel Cell Flow Fields

#764
20080248351
2008-10-09

Fuel Cell System

#765
20080248336
2008-10-09

Water management in fuel cells

#766
20080241619
2008-10-02

FUEL CELL APPARATUS

#767
20080241606
2008-10-02

METHOD AND APPARATUS FOR HUMIDIFYING A GAS IN FUEL CELL SYSTEMS

#768
20080238355
2008-10-02

FUEL CELL SYSTEM AND OPERATION METHOD THEREFOR

#769
20080233445
2008-09-25

Fuel cell system

#770
20080226954
2008-09-18

Hydrogen generating apparatus, fuel cell power generation system, method of controlling hydrogen generating quantity and recorded medium recorded program performing the same

#771
20080220303
2008-09-11

Fuel cell system supply having a measuring device and a control device

#772
20080220300
2008-09-11

Method and apparatus for controlling an integrated fuel cell system

#773
20080213635
2008-09-04

System and method of purging fuel cell stacks

#774
20080208490
2008-08-28

Failure determination device for cell voltage monitor

#775
20080193810
2008-08-14

Hydrogen generating apparatus and fuel cell power generation system

#776
20080193804
2008-08-14

Power generation control system for fuel cell

#777
20080187790
2008-08-07

Fuel cell system

#778
20080182144
2008-07-31

Fuel cell control unit for limiting power output

#779
20080176122
2008-07-24

Fuel cell system

#780
20080176120
2008-07-24

FUEL CELL WITH PROTECTIVE DEVICE

#781
20080171241
2008-07-17

MICRO FUEL CELL SYSTEM START UP AND SHUT DOWN SYSTEMS AND METHODS

#782
20080171239
2008-07-17

SYSTEMS AND METHODS FOR PROTECTING A FUEL CELL

#783
20080166609
2008-07-10

Fuel cell system

#784
20080156549
2008-07-03

Ventilation for fuel cell power unit

#785
20080152987
2008-06-26

Fuel cell system and vehicle with fuel cell system mounted thereon

#786
20080152972
2008-06-26

Fuel cell start-up control system

#787
20080152964
2008-06-26

Technique and apparatus to regulate a reactant stoichiometric ratio of a fuel cell system

#788
20080145715
2008-06-19

Control of nitrogen fraction in a flow shifting fuel cell system

#789
20080138692
2008-06-12

FUEL CELL APPARATUS

#790
20080131742
2008-06-05

METHOD AND APPARATUS TO SENSE AND CONTROL A MALFUNCTION IN BALANCE OF PLANT FOR FUEL CELL

#791
20080124590
2008-05-29

Fuel cell systems with fuel utilization and oxidation monitoring

#792
20080118799
2008-05-22

Control device and a control method for a fuel cell system

#793
20080118798
2008-05-22

Fuel cell system apparatus

#794
20080118793
2008-05-22

Fluid flow pulsing for increased stability in PEM fuel cell

#795
20080118792
2008-05-22

Fuel cell system and driving method thereof

#796
20080116873
2008-05-22

Power supply

#797
20080116843
2008-05-22

Fuel cell system and method for controlling operation of the fuel cell system

#798
20080107941
2008-05-08

Method and apparatus for increasing a reliability of a fuel cell system

#799
20080107936
2008-05-08

Hydrogen passivation shut down system for a fuel cell power plant

#800
20080107924
2008-05-08

FUEL CELL SYSTEM WITH REFILL ALARM

#801
20080091629
2008-04-17

Controller for fuel cell system

#802
20080090111
2008-04-17

FUEL CELL SYSTEM AND METHOD OF OPERATING THE SAME

#803
20080087479
2008-04-17

Power system of hybrid fuel cell bus and control method thereof

#804
20080081236
2008-04-03

ELECTRIC POWER SUPPLY SYSTEM OF FUEL CELL

#805
20080081235
2008-04-03

Fuel cell system

#806
20080081224
2008-04-03

Fuel cell startup method for fast freeze startup

#807
20080076012
2008-03-27

Method for adaptive prediction of stack voltage in automotive fuel cell systems

#808
20080075985
2008-03-27

Adaptive purge control to prevent electrode redox cycles in fuel cell systems

#809
20080070076
2008-03-20

FUEL CELL AND FUEL CELL SYSTEM, AND ELECTRONIC DEVICE

#810
20080070073
2008-03-20

FUEL CELL MODULE POWER DELIVERY CONTROL SYSTEM

#811
20080070070
2008-03-20

DIRECT METHANOL FUEL CELL SYSTEM, FUEL CARTRIDGE, AND MEMORY FOR FUEL CARTRIDGE

#812
20080057374
2008-03-06

HYDROGEN SUPPLY PIPE CONNECTING STRUCTURE

#813
20080057364
2008-03-06

Fuel cell device, control device, and program cross-reference to related applications

#814
20080044694
2008-02-21

Fuel cell system and method of operating the same

#815
20080042654
2008-02-21

Fuel cell diagnostic apparatus and diagnostic method

#816
20080038602
2008-02-14

Method for mitigating cell degradation due to startup and shutdown via cathode re-circulation combined with electrical shorting of stack

#817
20080038601
2008-02-14

EFFICIENT MICRO FUEL CELL SYSTEMS AND METHODS

#818
20080036432
2008-02-14

Power supply device

#819
20080032165
2008-02-07

Fuel cell device, control device, control method, and control program

#820
20080032163
2008-02-07

Preventing corrosion during start up and shut down of a fuel cell

#821
20080032162
2008-02-07

Electric power source control apparatus, electric power source control method, and vehicle including electric power source control apparatus

#822
20080028477
2008-01-31

Chip with Power Supply Device

#823
20080026273
2008-01-31

Fuel cell system and control method therefor

#824
20080026271
2008-01-31

Fuel Cell Power Generation System

#825
20080026264
2008-01-31

Fuel cell system and operation control method therefore

#826
20080026263
2008-01-31

Startup circuit for electronics in a hazardous environment

#827
20080020257
2008-01-24

FUEL CELL DEVICE WITH ELECTRONIC IDENTIFICATION

#828
20080014484
2008-01-17

Fault management in a fuel cell-based system

#829
20080008913
2008-01-10

Fuel cell system

#830
20080003462
2008-01-03

Digital logic control DC-to-DC converter with controlled input voltage and controlled power output

#831
20080002472
2008-01-03

Controller for fuel cell in standby mode or no load condition

#832
20070292737
2007-12-20

Electrochemical energy generating apparatus and method for driving the apparatus

#833
20070279051
2007-12-06

Fuel Cell Current Distribution Measuring Equipment and Fuel Cell Current Distribution Measuring Method

#834
20070275276
2007-11-29

Power supply system of fuel cell vehicle

#835
20070275274
2007-11-29

METHOD OF CALCULATING FUEL CONCENTRATION IN DIRECT METHANOL FUEL CELL

#836
20070264547
2007-11-15

Contactor failure detecting apparatus for fuel cell system

#837
20070264546
2007-11-15

Hydrogen-producing fuel cell systems with load-responsive feedstock delivery systems

#838
20070259229
2007-11-08

FUEL CELL ACTIVATION METHOD AND THE DEVICE THEREOF

#839
20070259224
2007-11-08

SHUT-DOWN PROCEDURE FOR FUEL CELL

#840
20070259218
2007-11-08

FUEL CELL CAPABLE OF POWER MANAGEMENT

#841
20070254193
2007-11-01

Fuel cell power generation system

#842
20070243427
2007-10-18

Fuel cell employing cooling liquid passages for starting at low temperature

#843
20070237993
2007-10-11

Fuel cell reforming

#844
20070237992
2007-10-11

Method and circuit for managing start-up phase of at least a micro fuel cell to be connected to a load

#845
20070237989
2007-10-11

POWER SOURCE SYSTEM USING A FUEL CELL AND ITS CONTROL METHOD

#846
20070231643
2007-10-04

Fuel cell system

#847
20070231636
2007-10-04

Adaptive anode nitrogen management control

#848
20070231626
2007-10-04

Hybrid power supply system and controller for warm-up mode

#849
20070224472
2007-09-27

Fuel cell system

#850
20070218323
2007-09-20

Methods of operating fuel cell power generators, and fuel cell power generators

#851
20070210806
2007-09-13

Fuel cell electric power sensing methodology and the applications thereof

#852
20070207356
2007-09-06

Fuel cell system with warming-up and method of operating the same

#853
20070199747
2007-08-30

Control method for fuel cell vehicle, and fuel cell vehicle

#854
20070196708
2007-08-23

Fuel cell system and activation method of fuel cell

#855
20070196707
2007-08-23

Fuel cell system and diagnosis system for the fuel cell system

#856
20070196706
2007-08-23

Fuel cell system

#857
20070196700
2007-08-23

Method of supplying fuel to fuel cells

#858
20070190377
2007-08-16

System and method to operate a fuel cell in the exhaust of an internal combustion engine

#859
20070184314
2007-08-09

Fuel cell system

#860
20070176762
2007-08-02

Fuel efficiency display device for fuel cell vehicle, and fuel efficiency displaying method for fuel cell vehicle

#861
20070166583
2007-07-19

FUEL CELL SYSTEM AND OPERATING METHOD THEREOF

#862
20070166582
2007-07-19

Fuel cell system

#863
20070166576
2007-07-19

Fuel cell power generation control methodology and the applications thereof

#864
20070166485
2007-07-19

Fuel cell system and control method of fuel cell system

#865
20070154755
2007-07-05

Apparatus for measuring an electrical characteristic of an electrochemical device

#866
20070154746
2007-07-05

Purging a fuel cell system

#867
20070148511
2007-06-28

VOLTAGE TRANSDUCER FOR A FUEL CELL

#868
20070148507
2007-06-28

Switching modes of operation of a fuel cell

#869
20070141429
2007-06-21

Storing energy in a fuel cell system

#870
20070141428
2007-06-21

Preventing backfeeding of current to a fuel cell stack from energy storage

#871
20070141417
2007-06-21

Power supply system and control method thereof

#872
20070141413
2007-06-21

Fuel cell sensors and methods

#873
20070141411
2007-06-21

Maximizing energy storage life in a fuel cell system using active temperature compensation

#874
20070141404
2007-06-21

Detecting leakage from a capacitor of a fuel cell system

#875
20070138996
2007-06-21

Charger, DC/DC converter including that charger, and control circuit thereof

#876
20070134529
2007-06-14

Power supply apparatus and method for line connection type fuel cell system

#877
20070134528
2007-06-14

POWER SUPPLY CONTROL APPARATUS AND METHOD FOR LINE CONNECTION TYPE FUEL CELL SYSTEM

#878
20070129859
2007-06-07

Control apparatus for fuel cell vehicle

#879
20070128478
2007-06-07

High efficiency fuel cell system

#880
20070128477
2007-06-07

Apparatus and method for heating fuel cells

#881
20070128476
2007-06-07

Method and apparatus for controlling a combined heat and power fuel cell system

#882
20070111050
2007-05-17

Fuel-cell system and method of controlling fuel cell

#883
20070099046
2007-05-03

Electronic equipment provided with voltage check unit

#884
20070099040
2007-05-03

Fuel cell system, method of starting fuel cell system

#885
20070099036
2007-05-03

Gas replacement method of fuel cell, fuel cell system and device for fuel cell system

#886
20070092769
2007-04-26

Electrochemical cells

#887
20070088468
2007-04-19

Control device for fuel cell vehicle

#888
20070087237
2007-04-19

Cell voltage measurer for fuel cell stack and fuel cell system using the same

#889
20070087232
2007-04-19

Capacitor hybrid fuel cell power generator

#890
20070082244
2007-04-12

Control device for fuel cell system and related method

#891
20070077468
2007-04-05

Power supply apparatus with fuel cell and method of controlling the same

#892
20070077467
2007-04-05

Fuel cell system and method of correcting fuel cell current

#893
20070072023
2007-03-29

Fuel cell unit, information processing apparatus, and power supply control method for information processing apparatus

#894
20070072022
2007-03-29

FUEL CELL SYSTEM AND TRANSPORT EQUIPMENT INCLUDING THE SAME

#895
20070072016
2007-03-29

METHODS AND APPARATUS FOR IMPROVING THE COLD STARTING CAPABILITY OF A FUEL CELL

#896
20070072015
2007-03-29

Fixed IDC operation of fuel cell power plant

#897
20070065711
2007-03-22

AIR INDEPENDENT POWER PRODUCTION

#898
20070065709
2007-03-22

Method and apparatus for porous catalyst on a fuel cell flow field and high temperature membrane

#899
20070065695
2007-03-22

Coolant flow estimation for the thermal loop of a fuel cell system using stack loss power

#900
20070059583
2007-03-15

Fuel cell system