ClassID:

213514

H01M8/04679 - 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 the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function; Failure or abnormal function of fuel cell stacks

Recent Application in this class:
#301
20080138677
2008-06-12

Distributed fuel cell network

#302
20080131742
2008-06-05

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

#303
20080096068
2008-04-24

Fuel cell system

#304
20080096057
2008-04-24

Fuel cell system, operation method thereof, and fuel cell vehicle

#305
20080093929
2008-04-24

Power system for a telecommunications site

#306
20080081235
2008-04-03

Fuel cell system

#307
20080081231
2008-04-03

Fuel cell system and method of controlling same

#308
20080042654
2008-02-21

Fuel cell diagnostic apparatus and diagnostic method

#309
20080038596
2008-02-14

Method and Device for Operational Control of Fuel Cell Modules

#310
20080026271
2008-01-31

Fuel Cell Power Generation System

#311
20070259256
2007-11-08

Systems and methods for detecting and indicating fault conditions in electrochemical cells

#312
20070259219
2007-11-08

Technique and apparatus to detect and recover from an unhealthy condition of a fuel cell stack

#313
20070248856
2007-10-25

Fuel cell system and operation method thereof

#314
20070224473
2007-09-27

Gas leak detection device and fuel cell system

#315
20070224471
2007-09-27

Fuel Cell Power Generation System

#316
20070207355
2007-09-06

Fuel cell system and gas leak determination method for fuel cell system

#317
20070202367
2007-08-30

Fuel cell system and fuel cell system failure judgment method

#318
20070196707
2007-08-23

Fuel cell system and diagnosis system for the fuel cell system

#319
20070196705
2007-08-23

Fuel cell system

#320
20070172708
2007-07-26

Fuel cell system failure diagnosis method, failure diagnosis device using same, and fuel cell system

#321
20070166585
2007-07-19

RAPID RESPONSE SENSOR FOR CARBON MONOXIDE

#322
20070141429
2007-06-21

Storing energy in a fuel cell system

#323
20070141428
2007-06-21

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

#324
20070141411
2007-06-21

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

#325
20070141404
2007-06-21

Detecting leakage from a capacitor of a fuel cell system

#326
20070111058
2007-05-17

Fuel cell system and control method thereof for detecting a chemical short

#327
20070054165
2007-03-08

Energy output device and control method of energy output device

#328
20070042248
2007-02-22

EXTINGUISHING SYSTEM FOR FUEL CELL

#329
20070042243
2007-02-22

Apparatus and method for controlling a fuel cell using the rate of voltage recovery

#330
20070026275
2007-02-01

Gas sensor, gas sensor system, and controlling method thereof

#331
20070015018
2007-01-18

Information processing apparatus and operation control method

#332
20070013382
2007-01-18

Method for detection and diagnosis of isolation faults in fuel cell hybrid vehicles

#333
20060284591
2006-12-21

Monitoring system for fuel cell stack

#334
20060228601
2006-10-12

Fuel cell system and method for operating same

#335
20060228599
2006-10-12

Fuel cell unit and method for controlling the same

#336
20060222917
2006-10-05

Fuel cell system

#337
20060199053
2006-09-07

Fuel cell system

#338
20060194082
2006-08-31

Systems and methods for protecting a fuel cell

#339
20060169024
2006-08-03

Gas sensor and fuel cell system and automobile employing the same

#340
20060141299
2006-06-29

Detecting and handling a fault condition in a fuel cell system

#341
20060134479
2006-06-22

Controlling a fuel cell system

#342
20060127710
2006-06-15

System and method for bypassing failed stacks in a multiple stack fuel cell

#343
20060115692
2006-06-01

Method for intelligently arranging a fuel cell system with controllable dynamic series and parallel connections and the fuel cell system itself

#344
20060083955
2006-04-20

Mobile type information terminal and self diagnosis method and operation method thereof

#345
20060078788
2006-04-13

Method for monitoring the operational state of a fuel cell stack

#346
20060074574
2006-04-06

Technique and apparatus to measure a fuel cell parameter

#347
20060051628
2006-03-09

Diagnostic method for an electrochemical fuel cell and fuel cell components

#348
20060046105
2006-03-02

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

#349
20060035118
2006-02-16

Method for detecting a gas leak in a pem fuel cell

#350
20050275983
2005-12-15

Protection circuits for hybrid power systems

#351
20050233189
2005-10-20

Power supply system, fuel pack constituting the system, and device driven by power generator and power supply system

#352
20050209800
2005-09-22

System and method for alarm recovery for an electrolyzer cell module

#353
20050171677
2005-08-04

Apparatus for converting energy that can be operated with fuel, in particular fuel cell assembly

#354
20050158597
2005-07-21

Deterioration diagnosis of fuel cell seal member

#355
20050136296
2005-06-23

Controlling a fuel cell system

#356
20050130001
2005-06-16

Fuel cell life predicting device and fuel cell system

#357
20050112428
2005-05-26

Fuel cell power system having multiple fuel cell modules

#358
20050112426
2005-05-26

Fuel cell regulation using updating table storage

#359
20050093506
2005-05-05

Fuel cell management system and audio system provided with the management system

#360
20050084745
2005-04-21

Systems and methods for selective cell and/or stack control in a flowing electrolyte battery

#361
20050074644
2005-04-07

Fuel cell system

#362
20050072212
2005-04-07

Control device of gas sensor

#363
20050014042
2005-01-20

Apparatus for controlling a fuel cell device, and a fuel cell device

#364
20050007144
2005-01-13

Fuel cell testing system having an energy conversion system for providing a useful output