ClassID:

213550

H01M8/04947 - page 2 - 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 variables to be controlled; Electric variables; Power, energy, capacity or load of auxiliary devices, e.g. batteries, capacitors

Recent Application in this class:
#301
20070154756
2007-07-05

Power output device with fuel cell and method therefor

#302
20070141418
2007-06-21

Fuel cell system control device

#303
20070138996
2007-06-21

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

#304
20070114850
2007-05-24

Power system and method for supplying electrical power to a load

#305
20070104989
2007-05-10

Apparatus and method for heat exchange of liquid fuel type fuel cell system

#306
20070099062
2007-05-03

Fuel cell system suitable for complex fuels and a method of operation of the same

#307
20070087232
2007-04-19

Capacitor hybrid fuel cell power generator

#308
20070077468
2007-04-05

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

#309
20070072042
2007-03-29

PORTABLE FUEL CELL POWER SOURCE

#310
20070072025
2007-03-29

PORTABLE FUEL CELL APPARATUS

#311
20070054166
2007-03-08

Fuel cell system and method of controlling electrical energy discharged in the fuel cell system

#312
20070048570
2007-03-01

FUEL CELL CAPABLE OF LOAD-DEPENDENT OPERATION

#313
20070048566
2007-03-01

Fuel cell unit, control method for fuel cell unit, and information processing apparatus

#314
20070026278
2007-02-01

Fuel cell system and charge amount adjustment method for energy storage

#315
20060280977
2006-12-14

Fuel cell system

#316
20060263656
2006-11-23

Power system with reformer

#317
20060240291
2006-10-26

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

#318
20060222917
2006-10-05

Fuel cell system

#319
20060222916
2006-10-05

Mehotd for determining a maximum power point voltage of a fuel cell, as well as fuel cell control system and power controller used in the fuel cell control system

#320
20060222912
2006-10-05

Modular regenerative fuel cell system

#321
20060222909
2006-10-05

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

#322
20060216560
2006-09-28

Fuel cell systems

#323
20060216555
2006-09-28

Fuel cell system and method for removing residual fuel gas

#324
20060210851
2006-09-21

Fuel cell power generating system with learning control

#325
20060210849
2006-09-21

Fuel cell system and gas control method

#326
20060208691
2006-09-21

DC power source with fuel cell and electric power storage device

#327
20060204804
2006-09-14

Fuel cell system

#328
20060204801
2006-09-14

Buffer/converter/dumping system between fuel cells and process

#329
20060199053
2006-09-07

Fuel cell system

#330
20060194082
2006-08-31

Systems and methods for protecting a fuel cell

#331
20060192523
2006-08-31

Electronic equipment and power management method for the electronic equipment, and power source unit

#332
20060172162
2006-08-03

Electric power plant with adjustable array of fuel cell systems

#333
20060166050
2006-07-27

Fuel cell system and method for operating a fuel cell system

#334
20060166044
2006-07-27

Fuel cell protection

#335
20060141305
2006-06-29

Electric power generation control system and electric power generation control method for fuel cell

#336
20060134473
2006-06-22

Methods for operating a fuel cell system under reduced load conditions

#337
20060124367
2006-06-15

Method for operating an electrically driven motor vehicle and device therefor

#338
20060102397
2006-05-18

Method and apparatus for controlling a hybrid power supply system in a vehicle

#339
20060099463
2006-05-11

Direct current/direct current converter for a fuel cell system

#340
20060068249
2006-03-30

Storage of fuel cell energy during startup and shutdown or other power transitions

#341
20060068242
2006-03-30

Electric power source apparatus using fuel cell and method of controlling the same

#342
20060068236
2006-03-30

Advanced shutdown strategy to improve safety and efficiency of fuel cell vehicles

#343
20060063044
2006-03-23

Portable fuel cell system with releasable and rechargeable batteries

#344
20060057442
2006-03-16

Method and apparatus for controlling a fuel cell system

#345
20060055246
2006-03-16

Method and arrangement for controlling a switching connection between the electrical outputs of a fuel cell and an isolated electrical network

#346
20060046107
2006-03-02

System for fuel cell power plant load following and power regulation

#347
20060046105
2006-03-02

Fuel cell system with fuel cell unit having means for storing or dispensing electrical energy

#348
20060040149
2006-02-23

Fuel cell system and control method

#349
20060035115
2006-02-16

Power supply and control method therefor

#350
20060029846
2006-02-09

Fuel cell system

#351
20060029842
2006-02-09

Fuel cell system

#352
20060001382
2006-01-05

Power supply system and electronic device

#353
20050280392
2005-12-22

Fuel cell power adapter for computer system

#354
20050233192
2005-10-20

Fuel cell system having secondary cell

#355
20050214606
2005-09-29

Power system for fuel cell, electronic equipment and electric power feeding method

#356
20050214602
2005-09-29

Load following algorithm for a fuel cell based distributed generation system

#357
20050197751
2005-09-08

Control device and method for fuel cell powered vehicle

#358
20050164047
2005-07-28

Voltage dosimeter-system and method for supplying variable voltage to an electric circuit

#359
20050142405
2005-06-30

Setting device of distributed energy supply system

#360
20050139399
2005-06-30

Hybrid electric propulsion system, hybrid electric power pack and method of optimizing duty cycle

#361
20050136311
2005-06-23

Power generation control system, power generation control method, program, and medium

#362
20050128689
2005-06-16

Self-sustaining environmental control unit

#363
20050118472
2005-06-02

Power management system for hybrid fuel cell and battery driven electric vehicles

#364
20050095471
2005-05-05

Method of operating a hybrid power system within a state of charge window

#365
20050089729
2005-04-28

Technique and apparatus to control the response of a fuel cell system to load transients

#366
20050084724
2005-04-21

Regenerative compressor motor control for a fuel cell power system

#367
20050084721
2005-04-21

Power supply system and fuel cell unit

#368
20050079392
2005-04-14

Fuel cell apparatus and method of controlling the same

#369
20050073289
2005-04-07

Power supply apparatus

#370
20050069739
2005-03-31

Battery unit and power supply control method

#371
20050068002
2005-03-31

Cell unit and power supply control method

#372
20050064258
2005-03-24

Storage of fuel cell energy during startup and shutdown

#373
20050058857
2005-03-17

Hybrid power system and method

#374
20050048330
2005-03-03

Electronic system and power supply method

#375
20050042488
2005-02-24

Transportable solid oxide fuel cell generator

#376
20050031915
2005-02-10

Method for controlling fuel supply to a fuel cell system

#377
20050019621
2005-01-27

Power supply system

#378
20050014039
2005-01-20

Fuel cell arrangement and method for operating a fuel cell arrangement

#379
20050008903
2005-01-13

Fuel cartridge interconnect for portable fuel cells

#380
20050007063
2005-01-13

Power supply adapter and power supply system

#381
17075451
2022-11-08

Power management system and method of operating the same

#382
15440534
2021-01-12

Power management system utilizing metastable hydrogen carrier and method of operating the same