ClassID:

213873

H01M2250/40 - CPC Classification

Classification description:

Fuel cells for particular applications; Specific features of fuel cell system Combination of fuel cells with other energy production systems

Sub-classes:
Recent Application in this class:
#1
20250273721
2025-08-28

RING-SHAPED SOLID OXIDE FUEL CELL ASSEMBLY FOR AN AIRCRAFT ENGINE

#2
20250241087
2025-07-24

SOLAR CELL WITH REDOX FLOW BATTERY

#3
20250062381
2025-02-20

RECHARGEABLE AQUEOUS Zn||IS FLOW BATTERY SYSTEM

#4
20240339840
2024-10-10

ECO-FRIENDLY ENERGY STORAGE SYSTEM FOR FREQUENCY REGULATION

#5
20230369611
2023-11-16

FUEL CELL UNIT AND METHOD OF ASSEMBLING THEREOF

#6
20230207838
2023-06-29

Fuel cell system

#7
20220278343
2022-09-01

Hydrogen gas dispensing systems and methods

#8
20220059859
2022-02-24

Thermo-electrochemical converter having dense metal electrode

#9
20220037721
2022-02-03

Thermo-electrochemical convertor with integrated energy storage

#10
20200303794
2020-09-24

Thermo-electrochemical convertor with integrated energy storage

#11
20200144955
2020-05-07

Power generation and cell storage apparatus

#12
20200119421
2020-04-16

ECO-FRIENDLY ENERGY STORAGE SYSTEM FOR FREQUENCY REGULATION

#13
20190363382
2019-11-28

Hydrogen gas dispensing systems and methods

#14
20180205102
2018-07-19

Hydrogen gas dispensing systems and methods

#15
20180131025
2018-05-10

Power producing gas separation system and method

#16
20180108960
2018-04-19

Thermo-electrochemical converter with integrated energy storage

#17
20170211033
2017-07-27

Production of hydrogen using an anaerobic biological process

#18
20160248110
2016-08-25

Power producing gas separation system and method

#19
20160190617
2016-06-30

Operating method for a fuel cell system

#20
20160010893
2016-01-14

HEATING DEVICE

#21
20150311703
2015-10-29

Energy management method allowing a distribution of the energy between an electrical network and a processing system intended in particular to store energy

#22
20150311542
2015-10-29

Electrical installation having a cooled fuel cell comprising an absorption heat engine

#23
20150207157
2015-07-23

Hybrid system

#24
20150020531
2015-01-22

Gas turbine-heated high-temperature battery

#25
20140242490
2014-08-28

Energy management system, energy management apparatus, and power management method

#26
20140157777
2014-06-12

Production of hydrogen using an anaerobic biological process

#27
20140055123
2014-02-27

Motor power simulating apparatus for fuel cell power module evaluation

#28
20140047814
2014-02-20

Drive unit, method for providing power, and use of a drive unit

#29
20130260268
2013-10-03

Fuel cell reforming system with carbon dioxide removal

#30
20130252123
2013-09-26

Fuel cell power plant operating system and method for use in sub-freezing ambient conditions

#31
20130004801
2013-01-03

REACTOR, SYSTEM AND METHOD FOR SOLID REACTANT BASED THERMOCHEMICAL PROCESSES

#32
20120321975
2012-12-20

Method of optimizing operating efficiency of fuel cells

#33
20120266863
2012-10-25

Solar-Hydrogen Hybrid Storage System for Naval and Other Uses

#34
20120251899
2012-10-04

SOLID-OXIDE FUEL CELL HIGH-EFFICIENCY REFORM-AND-RECIRCULATE SYSTEM

#35
20120082911
2012-04-05

System and method for maintaining and establishing operational readiness in a fuel cell backup system of a nuclear reactor system

#36
20120082869
2012-04-05

Microbial Electrolytic Cell

#37
20120068661
2012-03-22

Transportable electricity generation unit and method for generating electricity using said unit

#38
20120052406
2012-03-01

Method of optimizing operating efficiency of fuel cells

#39
20100314235
2010-12-16

HIGH TEMPERATURE HYDROPYROLYSIS OF CARBONACEOUS MATERIALS

#40
20100119888
2010-05-13

Fuel cell system and control method thereof

#41
20100071371
2010-03-25

Power regulating device for an aircraft

#42
20090282812
2009-11-19

System and method of operating internal combustion engines at fuel rich low-temperature- combustion mode as an on-board reformer for solid oxide fuel cell-powered vehicles

#43
20090269626
2009-10-29

Method of optimizing operating efficiency of fuel cells

#44
20090197151
2009-08-06

Method for operating redox flow battery and redox flow battery cell stack

#45
20090176132
2009-07-09

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

#46
20090098422
2009-04-16

Fuel cell power plant used as reformate generator

#47
20080026263
2008-01-31

Startup circuit for electronics in a hazardous environment

#48
20070295021
2007-12-27

Apparatus and Method For Generating Water From an Air Stream

#49
20070267874
2007-11-22

Integrated power plant that utilizes renewable and alternative energy sources

#50
20070200533
2007-08-30

Power generation system for mobile power supply

#51
20070200435
2007-08-30

Redundant mobile power supply system

#52
20070034523
2007-02-15

Fuel-cell actuated mechanical device

#53
20060174608
2006-08-10

Mechanism and method of combined fuel reformer and dosing system for exhaust aftertreatment and anti-idle SOFC APU

#54
20060159967
2006-07-20

Process for generating electricity and concentrated carbon dioxide

#55
20060066108
2006-03-30

Mobile-power system utilizing propane generator, fuel cell and super capacitors

#56
20060063047
2006-03-23

Fuel cell power plant used as reformate generator

#57
20050164075
2005-07-28

Method for operating redox flow battery and redox flow battery cell stack

#58
20050156431
2005-07-21

Vanadium redox battery energy storage and power generation system incorporating and optimizing diesel engine generators

#59
20050153181
2005-07-14

Fuel cell system with a control unit

#60
20050123810
2005-06-09

System and method for co-production of hydrogen and electrical energy

#61
20050112425
2005-05-26

Fuel cell for hydrogen production, electricity generation and co-production

#62
20050074650
2005-04-07

Textured electrolyte for a solid oxide fuel cell