ClassID:

213787

H01M10/484 - CPC Classification

Classification description:

Secondary cells; Manufacture thereof; Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells; Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring electrolyte level, electrolyte density or electrolyte conductivity

Recent Application in this class:
#1
20260098834
2026-04-09

SECONDARY BATTERY INSPECTION APPARATUS, SECONDARY BATTERY INSPECTION METHOD, AND SECONDARY BATTERY MANUFACTURING METHOD

#2
20260072085
2026-03-12

JIG FOR MEASURING THREE-ELECTRODE VOLTAGES

#3
20260038897
2026-02-05

BATTERY CAPABLE OF MONITORING ELECTROLYTE AND BATTERY PACK

#4
20250391939
2025-12-25

OPTIMIZATION METHOD AND OPTIMIZATION SYSTEM OF ELECTROLYTE FOR LITHIUM SECONDARY BATTERY, ELECTROLYTE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY

#5
20250314706
2025-10-09

THERMAL RUN-AWAY MONITORING OF BATTERY CELLS

#6
20250303920
2025-10-02

BATTERY MONITORING SYSTEM FOR A LIFT DEVICE

#7
20250286159
2025-09-11

SYSTEMATIC AUTO WATERING (SAW)

#8
20250273734
2025-08-28

APPARATUS, SYSTEM AND METHOD FOR BATTERY FORMATION

#9
20250085354
2025-03-13

BATTERY MODULE TESTING

#10
20250070435
2025-02-27

ELECTROLYTE MANAGEMENT FOR ELECTROCHEMICAL POWER STORAGE

#11
20250038282
2025-01-30

SYSTEMS AND METHODS FOR CONTROLLED BATTERY HEATING

#12
20250007011
2025-01-02

Fast Reduced-Order Electrochemical Models For Lithium-Ion Batteries Under Various Charging And Discharging Rates

#13
20240413417
2024-12-12

ACOUSTIC SIGNAL BASED ANALYSIS OF FILMS

#14
20240387881
2024-11-21

AUTOMATED FLOODED LEAD-ACID BATTERY MAINTENANCE

#15
20240361269
2024-10-31

REFERENCE ELECTRODE ASSEMBLY, ELECTRICAL ENERGY STORAGE DEVICE COMPRISING THE REFERENCE ELECTRODE ASSEMBLY AND RELATIVE PRODUCTION METHOD

#16
20240347798
2024-10-17

COMBINED LIQUID ELECTROLYTE AND TEMPERATURE SENSOR

#17
20240347796
2024-10-17

INFRARED SENSOR DEVICES AND METHODS TO DETECT ELECTROLYTE FLUID LEVELS IN BATTERY CELLS

#18
20240332763
2024-10-03

SYSTEM AND METHOD FOR FILLING A BATTERY CELL WITH LIQUID ELECTROLYTE

#19
20240317107
2024-09-26

BATTERY MONITORING SYSTEM FOR A LIFT DEVICE

#20
20240142328
2024-05-02

SENSING DEVICES FOR HARSH ENVIRONMENTS

#21
20240106018
2024-03-28

Battery cell including electrolyte ion concentration measurement unit and method for measuring electrolyte concentration using same

#22
20240072312
2024-02-29

Battery Management System Control Circuitry

#23
20240006675
2024-01-04

DETERMINING A LITHIUM-PLATING STATE OF A BATTERY, AND RELATED SYSTEMS, DEVICES AND METHODS

#24
20240006669
2024-01-04

DETECTING ELECTROLYTE ON CIRCUIT BOARDS

#25
20230420757
2023-12-28

METHOD AND SYSTEM FOR IDENTIFYING ELECTROLYTE COMPOSITION FOR OPTIMAL BATTERY PERFORMANCE

#26
20230344026
2023-10-26

Optimization of electrochemical cell

#27
20230314514
2023-10-05

Battery Diagnosis Device, Battery Diagnosis Method, Battery Pack and Electric Vehicle

#28
20230231212
2023-07-20

CONTROL DEVICE FOR SECONDARY BATTERY AND CONTROL SYSTEM FOR SECONDARY BATTERY

#29
20230221285
2023-07-13

SYSTEMS AND METHODS FOR EVALUATING ELECTROLYTE WETTING AND DISTRIBUTION

#30
20230198036
2023-06-22

METHOD FOR DETERMINING THE ELECTROLYTE LEVEL IN A BATTERY

#31
20230198033
2023-06-22

Recovery control method for secondary battery, recovery control system for secondary battery, and vehicle control system

#32
20230187719
2023-06-15

ELECTRIC POWER DEMAND ADJUSTING DEVICE

#33
20230116877
2023-04-13

Optimization of electrochemical cell

#34
20230102119
2023-03-30

METHOD FOR RECONDITIONING NIMH BATTERY CELLS

#35
20230094275
2023-03-30

BATTERY CHARACTERISTIC ESTIMATION DEVICE, BATTERY CHARACTERISTIC ESTIMATION METHOD, AND STORAGE MEDIUM

#36
20230083983
2023-03-16

Optimization of electrochemical cell

#37
20230069149
2023-03-02

Optimization of electrochemical cell

#38
20230066473
2023-03-02

Optimization of electrochemical cell

#39
20230040381
2023-02-09

Optimization of electrochemical cell

#40
20230010586
2023-01-12

ELECTROLYTE SENSOR FOR SENSING ELECTROLYTE CREEPAGE IN A BATTERY

#41
20220413054
2022-12-29

Battery module testing

#42
20220367927
2022-11-17

ESTIMATION DEVICE, ESTIMATION METHOD, AND COMPUTER PROGRAM

#43
20220336877
2022-10-20

Optimization of electrochemical cell

#44
20220336876
2022-10-20

Optimization of electrochemical cell

#45
20220336875
2022-10-20

Optimization of electrochemical cell

#46
20220328888
2022-10-13

Electrolyte detection device and secondary battery transfer facility comprising the same

#47
20220320597
2022-10-06

IN-SITU REGENERABLE PROTON-ZINC BATTERY

#48
20220238933
2022-07-28

METHOD OF TESTING AN OXIDATION POTENTIAL OF AN ELECTROLYTE

#49
20220190614
2022-06-16

System and methods for rechargeable battery diagnostics

#50
20220190399
2022-06-16

Networked battery monitoring systems, methods, and apparatus

#51
20220181757
2022-06-09

Method for producing a battery

#52
20220153139
2022-05-19

SYSTEM AND METHOD FOR EXTENDING A RANGE OF AN ELECTRIC VEHICLE

#53
20220120704
2022-04-21

Multichannel matrix-based electrochemical testing system

#54
20220069361
2022-03-03

Control of lithium plating of lithium-ion battery during charging

#55
20220021041
2022-01-20

Apparatuses and methods for acoustic and current manipulation of anode interface deposits in lithium anode batteries and other battery systems

#56
20220011281
2022-01-13

ION-EXCHANGE CHROMATOGRAPHY SYSTEM FOR ANALYZING ELECTROLYTE SOLUTION, METHOD OF QUANTITATIVE ANALYSIS OF LITHIUM SALTS IN ELECTROLYTE SOLUTION, AND PREPARATION METHOD FOR ELECTROLYTE SOLUTION USING SAME

#57
20210399354
2021-12-23

Desulfation of lead acid batteries using electrolyte agitator

#58
20210336300
2021-10-28

Method and device for determining state of rechargeable battery

#59
20210280953
2021-09-09

Battery watering status system

#60
20210276450
2021-09-09

Battery monitoring system for a lift device

#61
20210257682
2021-08-19

Battery electrolyte level device

#62
20210190869
2021-06-24

Method for estimating state of charge, liquid reduction amount of electrolyte solution of valve regulated lead-acid battery, and device for monitoring valve regulated lead-acid

#63
20210175553
2021-06-10

Acoustic signal based analysis of batteries

#64
20210119464
2021-04-22

Method and apparatus controlling charging of battery based on diffusion characteristics of material included in the battery

#65
20210104785
2021-04-08

Apparatuses and methods for acoustic and current manipulation of anode interface deposits in lithium anode batteries and other battery systems

#66
20210091574
2021-03-25

Secondary battery system, charging method, and vehicle for charging with three different currents

#67
20210043987
2021-02-11

Battery cell including electrolyte ion concentration measurement unit and method for measuring electrolyte concentration using same

#68
20210005929
2021-01-07

Low porosity solid electrolyte membrane and method for manufacturing the same

#69
20200400596
2020-12-24

Device and method for sensing the conductivity of a fluid

#70
20200386822
2020-12-10

Methods and algorithms of cyclic coulometry

#71
20200358147
2020-11-12

Systems and methods for evaluating electrolyte wetting and distribution

#72
20200220208
2020-07-09

Sulfide solid electrolyte

#73
20200091569
2020-03-19

METHOD FOR DETERMINING A PRESSURE INSIDE A HOUSING OF A BATTERY CELL, AND BATTERY CELL

#74
20200076017
2020-03-05

Method and apparatus for regenerating battery containing fluid electrolyte

#75
20200036059
2020-01-30

Semiconductor device and remaining battery level detection method

#76
20190348721
2019-11-14

Method of charging and discharging secondary battery, method of detecting deterioration in secondary battery, method of detecting charging abnormality of secondary battery, and charge and discharge control device

#77
20190260098
2019-08-22

Electrolyte level gauge

#78
20190260090
2019-08-22

INTELLIGENT MONITORING SYSTEMS FOR LIQUID ELECTROLYTE BATTERIES

#79
20190252898
2019-08-15

Method and apparatus controlling charging of battery based on diffusion characteristics of material included in the battery

#80
20190245194
2019-08-08

Battery cover for retention of dielectric fluid

#81
20190198947
2019-06-27

Battery electrolyte level monitor, system, and method

#82
20190181395
2019-06-13

COVER FOR A BATTERY CELL

#83
20190162791
2019-05-30

Method and device for estimating a voltage of a battery

#84
20190131670
2019-05-02

Electrolyte level sensing system and method for battery monitoring

#85
20190081287
2019-03-14

Battery cover for retention of dielectric fluid

#86
20190074553
2019-03-07

Method of recycling secondary battery and secondary battery system

#87
20190067953
2019-02-28

Secondary battery system controlling a secondary battery with a volume change rate thereof, and a vehicle including the secondary battery system

#88
20190067759
2019-02-28

Battery cell formation device and probe supporting structure thereof

#89
20180375371
2018-12-27

Battery Monitoring and Control System

#90
20180372801
2018-12-27

Battery Monitoring Device

#91
20180366792
2018-12-20

Safety sensor module with vehicle communication to first responders

#92
20180342768
2018-11-29

Low porosity solid electrolyte membrane and method for manufacturing the same

#93
20180340984
2018-11-29

Apparatus and method of estimating state of lithium ion battery

#94
20180312076
2018-11-01

Device and method for controlling battery cooling, and vehicle system

#95
20180309173
2018-10-25

Battery Watering Event Detection using a Temperature Sensor

#96
20180301768
2018-10-18

Rechargeable battery cell and method for producing and operating a rechargeable battery cell

#97
20180287224
2018-10-04

Battery device, battery monitoring device and battery monitoring method

#98
20180076429
2018-03-15

Battery module including a separator with a lid and battery pack including same

#99
20180047968
2018-02-15

Battery monitoring device

#100
20180034114
2018-02-01

Battery cell for a battery of a motor vehicle, battery and motor vehicle

#101
20180026312
2018-01-25

Battery cell for a battery of a motor vehicle, battery, and motor vehicle

#102
20170338528
2017-11-23

Battery calibration

#103
20170279167
2017-09-28

Liquid level sensor for battery monitoring systems

#104
20170279164
2017-09-28

Intelligent monitoring systems for liquid electrolyte batteries

#105
20170250543
2017-08-31

Secondary battery system using temperature threshold in response to lithium ion concentrations

#106
20170179549
2017-06-22

Micro battery design and diagnosis

#107
20170176542
2017-06-22

Micro battery design and diagnosis

#108
20170162923
2017-06-08

Liquid-cooled battery pack system

#109
20170162919
2017-06-08

Electrolyte level gauge

#110
20170125853
2017-05-04

Method and apparatus for estimating initial condition of battery

#111
20170084964
2017-03-23

Method for operating intrinsically safe battery cells

#112
20170077563
2017-03-16

System and method for powering a device used in conjunction with a wet cell battery

#113
20170077560
2017-03-16

WIRELESS MONITOR FOR DETECTING AND INDICATING A CONDITION OF A BATTERY

#114
20170052228
2017-02-23

Method and battery system predicting state of charge of a battery

#115
20170038435
2017-02-09

Method for sorting reuseable nonaqueous electrolyte secondary battery

#116
20170033414
2017-02-02

Method and system to separate optically measured coupled parameters

#117
20170005373
2017-01-05

BATTERY SYSTEM

#118
20160375790
2016-12-29

Internal resistance estimation method for secondary battery, output control method for secondary battery, and vehicle

#119
20160315360
2016-10-27

Battery watering event detection using a temperature sensor

#120
20160268652
2016-09-15

Battery module including sensing assembly and battery pack comprising the same

#121
20160146893
2016-05-26

Adjustable length battery electrolyte probe

#122
20160141732
2016-05-19

Electrochemical storage device having a state detector

#123
20160118728
2016-04-28

Battery tap electrical connector

#124
20160006015
2016-01-07

Stationary lead battery performance improvement method

#125
20150380782
2015-12-31

Fluid bath cooled energy storage system

#126
20150270530
2015-09-24

Method for filling electrochemical cells

#127
20150214582
2015-07-30

BATTERY AND METHOD FOR DETERMINING THE AGEING STATE OF A BATTERY

#128
20150210180
2015-07-30

Industrial vehicle, system for managing state of amount of electrolyte of industrial vehicle, and electric forklift

#129
20150180068
2015-06-25

Method and apparatus for controlling operation of redox flow battery

#130
20150171495
2015-06-18

System and method for controlling operation of a metal-air battery

#131
20150162649
2015-06-11

Battery condition indicator

#132
20150024296
2015-01-22

Method and system for operating a flow battery system based on energy costs

#133
20140272502
2014-09-18

Golf Cart Battery System

#134
20140225571
2014-08-14

Control device and control method for nonaqueous secondary battery

#135
20140141302
2014-05-22

System and method for monitoring electrolyte levels in a battery

#136
20130302655
2013-11-14

Ultrasonic electrolyte sensor

#137
20130295424
2013-11-07

Electrolyte-Based Battery Cell, Method and System for Determining the State of Charge of Electrolyte-Based Batteries

#138
20130293200
2013-11-07

Control apparatus and control method for electric storage apparatus

#139
20130236755
2013-09-12

Electrochemical cell of an accumulator

#140
20130229187
2013-09-05

System and method for monitoring electrolyte levels in a battery

#141
20130216877
2013-08-22

BATTERY FLUID LEVEL SENSOR

#142
20130183552
2013-07-18

Battery pack system and liquid leakage detection method thereof

#143
20130181826
2013-07-18

Battery pack and liquid leakage detection method thereof

#144
20130115485
2013-05-09

Lithium-ion battery with life extension additive

#145
20130072154
2013-03-21

Diagnostic use of physical and electrical battery parameters

#146
20130002260
2013-01-03

Monitoring system for an energy storage cell

#147
20120203392
2012-08-09

Method and system for operating a flow battery system based on energy costs

#148
20120109437
2012-05-03

Industrial vehicle

#149
20120058369
2012-03-08

System and method for delivering fluid to a battery

#150
20110217573
2011-09-08

Sensor for Selectively Detecting Liquids in Apparatuses for Storing and Generating Energy

#151
20110183168
2011-07-28

Battery electrolyte level detector apparatus

#152
20110135974
2011-06-09

System and method for monitoring electrolyte levels in a battery

#153
20110128154
2011-06-02

BATTERY ELECTROLYTE LEVEL INDICATOR

#154
20110106280
2011-05-05

AUTOMATED BATTERY SCANNING, REPAIR, AND OPTIMIZATION

#155
20110027628
2011-02-03

Instrumented fluid-surfaced electrode

#156
20100297478
2010-11-25

Lead acid battery with liquid sensor in lid

#157
20100285349
2010-11-11

Lithium ion secondary battery, assembled battery, vehicle, battery-equipped device, battery system, and method for detecting deterioration of lithium ion secondary battery

#158
20100204861
2010-08-12

Control system for secondary battery, electrically powered vehicle having same, and method for controlling secondary battery

#159
20100164474
2010-07-01

Immersion sensor to protect battery

#160
20100085015
2010-04-08

Battery system, vehicle, and battery mounted device

#161
20100047675
2010-02-25

Battery acid status indicator and method for production thereof

#162
20100033132
2010-02-11

Control system of secondary battery and hybrid vehicle equipped with the same

#163
20100019773
2010-01-28

BATTERY MONITORING DEVICE

#164
20090098444
2009-04-16

Level monitoring system

#165
20090004511
2009-01-01

Battery Watering System

#166
20080007225
2008-01-10

Method for detecting battery stratification

#167
20070279007
2007-12-06

Charge indicator

#168
20070190403
2007-08-16

DEVICE FOR DETECTING ELECTROLYTE OVERFLOW AND ENERGY STORAGE DEVICE HAVING THE SAME

#169
20070113645
2007-05-24

Hydrometer/fluid level sensor

#170
20060281000
2006-12-14

Battery electrolyte level control system

#171
20060263684
2006-11-23

Lithium ion secondary battery

#172
20060105230
2006-05-18

Automated battery watering control system

#173
20060027018
2006-02-09

Hydrometer/fluid level sensor

#174
20050270033
2005-12-08

Method and apparatus for automatic determination of lead-acid battery specific gravity

#175
20050001628
2005-01-06

System and method for monitoring electrolyte levels in a battery

#176
19289235
2026-04-21

Techniques for charging a portable communication device using an accessory device

#177
17232484
2022-04-19

Optimization of electrochemical cell

#178
14491395
2018-02-13

Battery water level detector for a battery operated device