ClassID:

120877

C25B15/00 - CPC Classification

Classification description:

Operating or servicing cells

Sub-classes:
Recent Application in this class:
#1
20250283236
2025-09-11

ACTIVE TENSIONING FOR ELECTROLYZER STACKS

#2
20250244293
2025-07-31

NON-INVASIVE ADVANCED SENSORY SYSTEM FOR REAL-TIME MONITORING AND DIAGNOSIS OF ELECTROLYZERS, ELECTROLYTES AND A LITHIUM-ION BATTERY (LIB)

#3
20250223715
2025-07-10

SPIN-POLARIZED ELECTROCATALYTIC REDUCTION REACTIONS, AND CATALYSTS THEREFOR

#4
20250223711
2025-07-10

CO2 AND CO ELECTROLYSIS TO PRODUCE HIGH PURITY ISOTOPICALLY LABELLED ORGANIC COMPOUNDS

#5
20250208224
2025-06-26

STIMULUS SOURCING FOR HYDROGEN STACK EIS-BASED HEALTH ASSESSMENT

#6
20250062636
2025-02-20

Method and System for Emergency Backup Power

#7
20250027213
2025-01-23

APPARATUS, SINGLE ELEMENT, AND METHOD FOR WATER ELECTROLYSIS

#8
20240417874
2024-12-19

Method for Assembling and/or Disassembling Alkaline Electrolyzer Units of a Hydrogen Producing Plant

#9
20240337032
2024-10-10

METHODS AND SYSTEMS FOR MONITORING ELECTROCHEMICAL CELL PERFORMANCE AND CLEANING METAL IONS FROM PROTON EXCHANGE MEMBRANE WATER ELECTROLYZERS

#10
20240295040
2024-09-05

Method for transient operation of a solid oxide electrolysis cell stack

#11
20240261735
2024-08-08

Defect detection via gas transfer

#12
20240150904
2024-05-09

A DEVICE AND A METHOD FOR PRODUCING HYDROGEN

#13
20230194456
2023-06-22

FILTER CONTAMINATION MEASURING DEVICE, FILTER ASSEMBLY INCLUDING THE SAME, AND FILTER CONTAMINATION MEASURING METHOD USING THE SAME

#14
20230140700
2023-05-04

ELECTROLYZER, AND METHOD FOR PRODUCING ELECTROLYZER

#15
20230101593
2023-03-30

Systems and methods to make hydrogen gas with a steady-state pH differential

#16
20230094222
2023-03-30

Systems and methods to make hydrogen gas with a steady state pH differential

#17
20220150200
2022-05-12

Generating interactive messages with asynchronous media content

#18
20220056595
2022-02-24

Electrochemical reactor and its cleaning or regeneration

#19
20210371996
2021-12-02

Self-Cleaning System and Method of Cleaning Electrolytic Cells

#20
20210299630
2021-09-30

Generating interactive messages with asynchronous media content

#21
20210254208
2021-08-19

Method of metallic component surface modification for electrochemical applications

#22
20210198796
2021-07-01

Electrolytic reduction device and electrolytic reduction method

#23
20210198792
2021-07-01

COMPOSITIONS AND METHODS FOR ENHANCING ELECTROCATALYTIC EFFICIENCIES

#24
20210115576
2021-04-22

PHOTOVOLTAIC-ELECTROCHEMICAL (PV-EC) SYSTEM

#25
20210014183
2021-01-14

Generating interactive messages with asynchronous media content

#26
20200369528
2020-11-26

Process for the separation and selective recomposition of ions

#27
20200122113
2020-04-23

DUAL LASER ELECTROLYTIC CELL

#28
20200102642
2020-04-02

Method of metallic component surface modification for electrochemical applications

#29
20200063277
2020-02-27

Self-cleaning system and method of cleaning electrolytic cells

#30
20200063274
2020-02-27

Electrolytic cell and electrolyzer

#31
20200048779
2020-02-13

Process for hydrogen production

#32
20200040467
2020-02-06

Methods and system for hydrogen production by water electrolysis

#33
20200010963
2020-01-09

SYSTEM AND METHOD FOR PRODUCING HYDROGEN GAS

#34
20190318055
2019-10-17

Method for determining the dimensions of an electrochemical cell comprising PCB holding plates

#35
20190284707
2019-09-19

Hydrogen generating cell

#36
20190214885
2019-07-11

COOLING ARRANGEMENT USING AN ELECTROCHEMICAL CELL

#37
20190085470
2019-03-21

Electrochemical reaction device

#38
20190078217
2019-03-14

Sacrificial electrode attachment structure and electrolytic apparatus including the same

#39
20190077673
2019-03-14

Apparatus and process for the production of soda ash

#40
20190039040
2019-02-07

Methods and systems for carbon nanofiber production

#41
20180363151
2018-12-20

ELECTROCHEMICAL CELL THAT OPERATES EFFICIENTLY WITH FLUCTUATING CURRENTS

#42
20180362349
2018-12-20

Graphene oxide and method of production thereof

#43
20180282884
2018-10-04

Electrode for electrolysis, manufacturing method of electrode for electrolysis, and electrolyzer

#44
20180245224
2018-08-30

Electrolyzer

#45
20180195183
2018-07-12

Electrolysis apparatus and electrolysis method

#46
20180127884
2018-05-10

Moisture removing apparatus using electric discharge

#47
20180111832
2018-04-26

Methods to make ammonium perchlorate

#48
20180078934
2018-03-22

Method of driving an active matrix electro-wetting on dielectric device and an active matrix electro-wetting on dielectric device

#49
20180056021
2018-03-01

Gas generator

#50
20170362084
2017-12-21

Hydrogen desorption method and dehydrogenation apparatus

#51
20170314149
2017-11-02

Gasket, apparatus incorporating same and method

#52
20170306510
2017-10-26

Methods and system for hydrogen production by water electrolysis

#53
20170283724
2017-10-05

Industrial production plant having minimal emission of greenhouse gases, in particular emission of carbon dioxide, and method for the operation thereof

#54
20170098835
2017-04-06

DETERMINING A SPATIAL DISTRIBUTION OF A THERMAL CONDUCTIVITY OF AN ELECTROCHEMICAL CELL

#55
20170073821
2017-03-16

Electrolysis device

#56
20170073057
2017-03-16

Ballast water treatment system

#57
20170037521
2017-02-09

Process for the production of ammonia from air and water

#58
20160315333
2016-10-27

Bipolar plates for use in conduction-cooled electrochemical cells

#59
20160305011
2016-10-20

Method of metallic component surface modification for electrochemical applications

#60
20160281248
2016-09-29

Electrolysis stack and electrolyzer

#61
20160281244
2016-09-29

Artificial-photosynthesis array

#62
20160090656
2016-03-31

System for the electrolysis of water having rotating disc cathodes and an automated cathode cleaner

#63
20160060768
2016-03-03

POST LAUNCH INERT GAS PRODUCTION AND UTILIZATION SYSTEM AND METHOD

#64
20160040311
2016-02-11

Process for producing CO from COin a solid oxide electrolysis cell

#65
20160029602
2016-02-04

Bubble electrolyzed water generation apparatus and automatic washing apparatus

#66
20150247248
2015-09-03

Apparatus, system, and method for a dynamic rotational electrochemical reactor

#67
20150221997
2015-08-06

Temperature control system for a high-temperature battery or a high-temperature electrolyzer

#68
20150218719
2015-08-06

CARBON DIOXIDE REDUCTION DEVICE AND METHOD FOR REDUCING CARBON DIOXIDE

#69
20150144498
2015-05-28

Device and apparatus for carrying out chemical dissociation reactions at elevated temperatures

#70
20150144483
2015-05-28

Gas generator

#71
20150140632
2015-05-21

System and method for renewable resource production, for example, hydrogen production by microbial, electrolysis, fermentation, and/or photosynthesis

#72
20150021193
2015-01-22

METHOD AND SYSTEM FOR MONITORING THE FUNCTIONALITY OF ELECTROLYSIS CELLS

#73
20140377167
2014-12-25

Method for starting up an electrolyzer

#74
20140374271
2014-12-25

Reference electrode having a flowing liquid junction and filter members

#75
20140367273
2014-12-18

Process and high surface area electrodes for the electrochemical reduction of carbon dioxide

#76
20140357904
2014-12-04

Electrochemical co-production of products with carbon-based reactant feed to anode

#77
20140352734
2014-12-04

METHOD FOR CLEANING CHLORINE MEMBRANE ELECTROCHEMICAL CELL

#78
20140329161
2014-11-06

High-temperature or fuel-cell electrochemical system having improved thermal management

#79
20140326597
2014-11-06

SYSTEMS AND METHODS FOR SUSTAINABLE ECONOMIC DEVELOPMENT THROUGH INTEGRATED FULL SPECTRUM PRODUCTION OF RENEWABLE MATERIAL RESOURCES USING SOLAR THERMAL

#80
20140311527
2014-10-23

Device and method for cleaning dental appliances

#81
20140202863
2014-07-24

AM-EWOD device and method of driving with variable voltage AC driving

#82
20140110250
2014-04-24

Replacement component for electrolyser flanges

#83
20140099562
2014-04-10

Bipolar plates for use in conduction-cooled electrochemical cells

#84
20140097082
2014-04-10

Wind turbine for installation in buildings

#85
20140069821
2014-03-13

System and method for treatment of produced waters

#86
20140061060
2014-03-06

Electrolytic cell and method of use thereof

#87
20140014525
2014-01-16

Alternating voltage electrochemical reforming

#88
20140014502
2014-01-16

Modular electrolysis unit

#89
20140013580
2014-01-16

Apparatus, method and system for rapid service, removal and replacement of an electrolytic cell

#90
20140001054
2014-01-02

System and Method for Generating and Dispensing Electrolyzed Solutions

#91
20140001033
2014-01-02

HYDROGEN FUEL ASSIST DEVICE FOR AN INTERNAL COMBUSTION ENGINE AND RELATED METHODS

#92
20130291488
2013-11-07

Electrolytic degradation systems and methods usable in industrial applications

#93
20130277208
2013-10-24

Apparatus and method for advanced electrochemical modification of liquids

#94
20130257199
2013-10-03

Cooling arrangement using an electrochemical cell

#95
20130252121
2013-09-26

Systems and methods for generating oxygen and hydrogen for plant equipment

#96
20130230435
2013-09-05

Electrochemical co-production of a glycol and an alkene employing recycled halide

#97
20130214542
2013-08-22

Carbon-dioxide-neutral compensation for current level fluctuations in an electrical power supply system

#98
20130199940
2013-08-08

Methods for associating or dissociating guest materials with a metal organic framework, systems for associating or dissociating guest materials within a series of metal organic frameworks, and gas separation assemblies

#99
20130146461
2013-06-13

Droplet Actuator Loading and Target Concentration

#100
20130118909
2013-05-16

Electrochemical co-production of chemicals with sulfur-based reactant feeds to anode

#101
20130118908
2013-05-16

Membrane electro-catalytic system and process for obtaining fuel gas

#102
20130043126
2013-02-21

Electrolyzer apparatus

#103
20120325653
2012-12-27

Hydrogen Producing Apparatus

#104
20120285822
2012-11-15

MEMBRANE PLASTIC ELECTROLYTIC CELL OF THE BIPOLAR TYPE

#105
20120247970
2012-10-04

BUBBLING AIR THROUGH AN ELECTROCHEMICAL CELL TO INCREASE EFFICIENCY

#106
20120222954
2012-09-06

ELECTROLYTIC REACTION SYSTEM FOR GENERATING GASEOUS HYDROGEN AND OXYGEN

#107
20120187700
2012-07-26

ELECTROLYSIS CELL AND ELECTRICAL POWER UNIT INCORPORATING SAME

#108
20120104766
2012-05-03

Power Generator Utilizing Circulated Working Fluid from a Pulsed Electrolysis System and Method of Using Same

#109
20120103824
2012-05-03

Multi-Cell Dual Voltage Electrolysis Apparatus and Method of Using Same

#110
20120102953
2012-05-03

Power Generator Utilizing a Heat Exchanger and Circulated Medium from a Pulsed Electrolysis System and Method of Using Same

#111
20120097552
2012-04-26

Reference electrode having a flowing liquid junction and filter members

#112
20120091010
2012-04-19

ELECTROLYSIS METHOD, DEVICE AND SYSTEM

#113
20120085643
2012-04-12

Electrolytic cell and method of use thereof

#114
20120052335
2012-03-01

Electrochemical thermodynamo

#115
20120012456
2012-01-19

ELECTROLYTIC CELL

#116
20120010305
2012-01-12

Method and facility system for providing an energy carrier by application of carbon dioxide as a carbon supplier of electric energy

#117
20110278177
2011-11-17

Method of operating a diaphragm electrolytic cell

#118
20110266142
2011-11-03

Unitized electrolyzer apparatus

#119
20110259757
2011-10-27

Method and apparatus for producing hydrogen and oxygen gas

#120
20110257275
2011-10-20

System and method for renewable resource production, for example, hydrogen production by microbial electrolysis, fermentation, and/or photosynthesis

#121
20110253526
2011-10-20

Electrolytic cell and method of use thereof

#122
20110243820
2011-10-06

Methods for associating or dissociating guest materials with a metal organic framework, systems for associating or dissociating guest materials within a series of metal organic frameworks, and gas separation assemblies

#123
20110233071
2011-09-29

ELECTROCHEMICAL METHOD FOR REDUCING MOLECULAR OXYGEN

#124
20110229780
2011-09-22

HYDROGEN GENERATION AND STORAGE SYSTEM FOR COLLECTION AND STORAGE OF ENERGY

#125
20110220039
2011-09-15

HYDROLYSIS SYSTEM TO PRODUCE HYDROGEN-OXYGEN GAS AS A FUEL ADDITIVE FOR INTERNAL COMBUSTION ENGINES

#126
20110214999
2011-09-08

METHOD AND PROCESS FOR ELEMENT AND/OR COMPOUND EXTRACTION, SEPARATION, AND PURIFICATION

#127
20110198235
2011-08-18

Water electrolysis system and method for shutting down the same

#128
20110139630
2011-06-16

LIQUID MATERIAL COMPOSED OF HYDROGEN AND OXYGEN, REGASIFIED GAS COMPOSED OF HYDROGEN AND OXYGEN OBTAINED FROM THE LIQUID MATERIAL, MANUFACTURING METHOD AND DEVICE OF THE LIQUID MATERIAL AND REGASIFIED GAS, AND FUEL COMPOSED OF THE LIQUID MATERIAL AND/OR REGASIFIED GAS WHICH DOES NOT GENERATE CARBONIC ACID GAS

#129
20110135562
2011-06-09

TWO STAGE PROCESS FOR ELECTROCHEMICALLY GENERATING HYPOCHLOROUS ACID THROUGH CLOSED LOOP, CONTINUOUS BATCH PROCESSING OF BRINE

#130
20110132751
2011-06-09

Intrinsically safe electrolysis system

#131
20110076445
2011-03-31

Internally reinforced structural composites and associated methods of manufacturing

#132
20110070510
2011-03-24

Systems and methods for sustainable economic development through integrated full spectrum production of renewable material resources using solar thermal

#133
20110061376
2011-03-17

ENERGY CONVERSION ASSEMBLIES AND ASSOCIATED METHODS OF USE AND MANUFACTURE

#134
20110052445
2011-03-03

Electrolytic degradation systems and methods usable in industrial applications

#135
20110042203
2011-02-24

Electrolytic cell and method of use thereof

#136
20110041784
2011-02-24

Energy system for dwelling support

#137
20110005939
2011-01-13

GENERATION OF HIGH OCTANE HYDROGEN GAS FROM ACETIC ACID

#138
20100288647
2010-11-18

Water management and cooling during electrolysis

#139
20100264021
2010-10-21

Hydrogen-oxygen mixed gas generating system

#140
20100236939
2010-09-23

Deep water generation of compressed hydrogen

#141
20100230295
2010-09-16

Method of shutting down water electrolysis apparatus

#142
20100213052
2010-08-26

Electrolytic cell and method of use thereof

#143
20100187127
2010-07-29

Membrane restoration

#144
20100155233
2010-06-24

Hydrogen-oxygen generating system

#145
20100108535
2010-05-06

SYSTEM FOR GENERATING HYDROGEN AND METHOD THEREOF

#146
20100101941
2010-04-29

ELECTROLYSIS APPARATUS

#147
20100089766
2010-04-15

Deep water generation of compressed hydrogen

#148
20100089746
2010-04-15

HYDRAGEN-OXYGEN ELECTROLYZING DEVICE AND CARBON PAPER ELECTRODES THEREOF WITH MATERIAL-CHANGED OUTER SURFACES

#149
20100062508
2010-03-11

Droplet actuator loading and target concentration

#150
20100025232
2010-02-04

RECOVERING THE COMPRESSION ENERGY IN GASEOUS HYDROGEN AND OXYGEN GENERATED FROM HIGH-PRESSURE WATER ELECTROLYSIS

#151
20090301871
2009-12-10

Methods and systems for in-situ electroplating of electrodes

#152
20090297633
2009-12-03

Process for producing carbonic acid gas solution, an apparatus for the same and carbonated water

#153
20090263693
2009-10-22

Hydrogen generating apparatus and fuel cell generation system

#154
20090260980
2009-10-22

Card Insertion Type Membrane Electrolysis Device

#155
20090242422
2009-10-01

Method for recovering performance of electrolyzer for use in production of polysulfide and method for stopping holding electrolyzer

#156
20090224546
2009-09-10

Power generator utilizing a heat exchanger and circulated medium from a pulsed electrolysis system and method of using same

#157
20090224545
2009-09-10

Power generator utitlizing circulated working fluid from a pulsed electrolysis system and method of using same

#158
20090211918
2009-08-27

ELECTROCHEMICAL CELL AND METHOD FOR OPERATING THE SAME

#159
20090205973
2009-08-20

Method for producing ferrate (V) and/or (VI)

#160
20090205971
2009-08-20

METHOD AND APPARATUS FOR PRODUCING COMBUSTIBLE FLUID

#161
20090178918
2009-07-16

Method and apparatus for hydrogen generation

#162
20090152126
2009-06-18

Gas production through pulsed electrolysis

#163
20090090637
2009-04-09

Reliable, Fault-Tolerant, Electrolyzer Cell Stack Architecture

#164
20090071838
2009-03-19

ELECTROCHEMICAL APPARATUS WITH RETRACTABLE ELECTRODE

#165
20090045049
2009-02-19

HYDROGEN-OXYGEN GAS GENERATOR AND HYDROGEN-OXYGEN GAS GENERATING METHOD THEREOF

#166
20080296173
2008-12-04

Electrolysis transistor

#167
20080296171
2008-12-04

Multi-cell dual voltage electrolysis apparatus and method of using same

#168
20080296169
2008-12-04

Multi-cell single voltage electrolysis apparatus and method of using same

#169
20080296168
2008-12-04

Multi-pulse protocol for use with a dual voltage electrolysis apparatus

#170
20080296167
2008-12-04

Multi-cell dual voltage electrolysis apparatus and method of using same

#171
20080248337
2008-10-09

Power Plant Comprising Fuel Cells

#172
20080236647
2008-10-02

Apparatus to reduce the cost of renewable hydrogen fuel generation by electrolysis using combined solar and grid power

#173
20080236646
2008-10-02

Thermal optimization of a solar photovoltaic powered electrolyzer system

#174
20080160357
2008-07-03

Increased Conductivity and Enhanced Electrolytic and Electrochemical Processes

#175
20080143189
2008-06-19

Electrical Circuit Of An Electrolyzer And Method For Reducing The Electromagnetic Fields In The Vicinity Of The Electrolyzer

#176
20080116061
2008-05-22

Apparatus For Carrying Out An Electrolytic Process On A Halogenide Compound

#177
20080115810
2008-05-22

METHOD OF REACTIVATING ELECTRODE FOR ELECTROLYSIS

#178
20080110750
2008-05-15

Apparatus and method for the electrolysis of water

#179
20080099336
2008-05-01

Reference electrode having a flowing liquid junction and filter members

#180
20080092831
2008-04-24

In-Vehicle Hydrogen Generation Plant

#181
20080047502
2008-02-28

Hybrid Cycle Electrolysis Power System with Hydrogen & Oxygen Energy Storage

#182
20080029389
2008-02-07

Cold weather hydrogen generation system and method of operation

#183
20080014487
2008-01-17

Membrane electrode assembly with controlled water management/ion flow

#184
20070284260
2007-12-13

Method of using an electrolysis apparatus with a pulsed, dual voltage, multi-composition electrode assembly

#185
20070284244
2007-12-13

Electrolysis apparatus with pulsed, dual voltage, multi-composition electrode assembly

#186
20070277870
2007-12-06

SOLAR HYDROGEN GENERATION SYSTEM

#187
20070205097
2007-09-06

Hydrogen and oxygen generator with polarity switching in electrolytic cells

#188
20070119718
2007-05-31

Optimizing photovoltaic-electrolyzer efficiency

#189
20070108065
2007-05-17

Method and apparatus for the manufacture of one or more gases

#190
20070080071
2007-04-12

Internal combustion apparatus and method utilizing electrolysis cell

#191
20070080070
2007-04-12

Apparatus and method for the conversion of water into a new gaseous and combustible form and the combustible gas formed thereby

#192
20070080069
2007-04-12

Electrochemical thermodynamo

#193
20070065765
2007-03-22

Energy converting device

#194
20070045105
2007-03-01

Method of operating a diaphragm electrolytic cell

#195
20070000773
2007-01-04

Apparatus for generating gas by electrolysis of a liquid

#196
20060260934
2006-11-23

Apparatus for generating gas by electrolysis of a liquid

#197
20060251929
2006-11-09

Apparatus and method for generating and using multi-direction DC and AC electrical currents

#198
20060131165
2006-06-22

Apparatus and method for generating and using multi-direction DC and AC electrical currents

#199
20060075683
2006-04-13

Apparatus and method for the conversion of water into a new gaseous and combustible form and the combustible gas formed thereby

#200
20060065302
2006-03-30

System and sub-systems for production and use of hydrogen

#201
20060051630
2006-03-09

Ultrasonics applied to electrochemical devices

#202
20060049039
2006-03-09

Pressure electrolyzer and method for switching off a pressure electrolyzer

#203
20060032754
2006-02-16

Plant for decomposition of water by electrolysis

#204
20050224366
2005-10-13

Apparatus and method for fluorine production

#205
20050217991
2005-10-06

Fuel system for internal combustion engine

#206
20050201912
2005-09-15

Electrochemical method and apparatus for producing and separating ferrate(VI) compounds

#207
20050189234
2005-09-01

Method and apparatus for hydrogen generation

#208
20050161321
2005-07-28

Apparatus for the generation and supply of fluorine gas

#209
20050121315
2005-06-09

System for generating hydrogen and method thereof

#210
20050098443
2005-05-12

Electrolytic commercial production of hydrogen from hydrocarbon compounds

#211
20050077174
2005-04-14

Pressure electrolyzer and method for operating one such electrolyzer

#212
20050072688
2005-04-07

Electrolyzer system to produce gas at high pressure

#213
20050058886
2005-03-17

Electrochemical apparatus with retractable electrode

#214
20050011766
2005-01-20

Apparatus and method for molten salt electrolytic bath control

#215
20050011765
2005-01-20

Hydrogen-oxygen gas generator and hydrogen-oxygen gas generating method using the generator

#216
20050006248
2005-01-13

Apparatus for generating f2 gas method for generating f2 gas and f2 gas

#217
20050006228
2005-01-13

Brown's gas generator

#218
14455852
2017-04-25

Heat engine