ClassID:

213458

H01M8/04261 - CPC Classification

Classification description:

Recent Application in this class:
#1
20140220237
2014-08-07

Methods for fabricating inorganic proton-conducting coatings for fuel-cell membranes

#2
20140212779
2014-07-31

Method for controlling fuel cell system

#3
20130288156
2013-10-31

Polyimide, polyimide-based polymer electrolyte membrane, membrane-electrode assembly, and polymer electrolyte fuel cell

#4
20130164645
2013-06-27

Fuel cell system

#5
20130130151
2013-05-23

Metal alloy catalysts for fuel cell cathodes

#6
20130095404
2013-04-18

FUEL CELL SYSTEM

#7
20120301811
2012-11-29

Solid electrolyte film, and method for producing same

#8
20120274332
2012-11-01

Algorithm for in-situ quantification of PEMFC membrane health over its life

#9
20120129075
2012-05-24

Proton-conductive polymer electrolyte membrane, and membrane-electrode assembly and polymer electrolyte fuel cell using the same

#10
20110294024
2011-12-01

Humidification Unit for Providing a Carrier Gas Containing a Fuel, and Fuel Cell with Such a Humidification Unit

#11
20110236779
2011-09-29

Fuel cell system

#12
20110117469
2011-05-19

Fuel cell stack conditioned to operate safely with failed cells

#13
20110076580
2011-03-31

Fuel cell system, and method of stopping fuel cell system

#14
20100239942
2010-09-23

Fuel cell

#15
20090208806
2009-08-20

Method for producing polymer electrolyte molded article, polymer electrolyte material, polymer electrolyte membrane, and polymer electrolyte fuel cell

#16
20090197138
2009-08-06

Highly conducting solid state ionics for electrochemical systems and methods of fabricating them using layer-by layer technology

#17
20070231653
2007-10-04

Reinforced composite electrolyte membrane for fuel cell

#18
20070092773
2007-04-26

Organic vapor fuel cell

#19
20060099465
2006-05-11

Method and device for limiting crossover in fuel cell systems