Patents-Review.com
ClassID:

217083 ⎘

H02J9/04 - CPC Classification

Classification description:

Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source

Sub-classes:
Recent Application in this class:
#1
20260121440
2026-04-30

SOLID-STATE AUTOMATIC TRANSFER SWITCH AND OPERATING METHOD THEREOF

 #2
20260066660
2026-03-05

WAKE-UP CIRCUIT OF ELECTRIC VEHICLE CHARGER AND METHOD FOR OPERATING THE SAME

 #3
20250373055
2025-12-04

CHARGING SYSTEM AND EMERGENCY START DEVICE

 #4
20250373054
2025-12-04

CHARGING SYSTEM AND EMERGENCY START DEVICE

 #5
20250373053
2025-12-04

CHARGING SYSTEM AND EMERGENCY START DEVICE

 #6
20250373052
2025-12-04

CHARGING SYSTEM AND EMERGENCY START DEVICE

 #7
20250373051
2025-12-04

CHARGING SYSTEM AND EMERGENCY START DEVICE

 #8
20250373050
2025-12-04

CHARGING SYSTEM AND EMERGENCY START DEVICE

 #9
20250373049
2025-12-04

CHARGING SYSTEM AND EMERGENCY START DEVICE

 #10
20250373048
2025-12-04

CHARGING SYSTEM AND EMERGENCY START DEVICE

 #11
20250373047
2025-12-04

CHARGING SYSTEM AND EMERGENCY START DEVICE

 #12
20250373046
2025-12-04

CHARGING SYSTEM AND EMERGENCY START DEVICE

 #13
20250373045
2025-12-04

CHARGING SYSTEM AND EMERGENCY START DEVICE

 #14
20250166094
2025-05-22

INTELLIGENT CIRCUIT BREAKER ELECTRICAL PANEL

 #15
20250141226
2025-05-01

Controlling usage of energy storages

 #16
20250121734
2025-04-17

IN-VEHICLE ELECTRIC POWER STORAGE SYSTEM, VEHICLE, AND RECORDING MEDIUM IN WHICH COMPUTER PROGRAM IS RECORDED

 #17
20250088028
2025-03-13

HELMET-MOUNTED POWER SYSTEM

 #18
20250070590
2025-02-27

BBU BALANCED POWER SUPPLY CONTROL SYSTEM, MULTI-BBU POWER SUPPLY SYSTEM, AND SERVER

 #19
20250047127
2025-02-06

POWER SUPPLY DEVICE, AND CONTROL METHOD FOR POWER SUPPLY DEVICE

 #20
20250021151
2025-01-16

DYNAMIC BATTERY BACK-UP FOR SET-TOP-BOXES

 #21
20240421567
2024-12-19

Transfer switch apparatus

 #22
20240410356
2024-12-12

EMERGENCY STATION AND METHOD OF USE

 #23
20240383371
2024-11-21

POWER SOURCE RELIEF SERVER

 #24
20240356476
2024-10-24

Power supply circuit in an inverter for driving an electrical machine, method of operating the power supply circuit and safety control device

 #25
20240346609
2024-10-17

INTELLIGENT CIRCUIT BREAKER ELECTRICAL PANEL

 #26
20240283284
2024-08-22

CHANGEOVER SWITCH BUILT-IN BOARD

 #27
20240235240
2024-07-11

DYNAMICALLY SELECTABLE POWER AND CHARGING CONFIGURATIONS

 #28
20240186817
2024-06-06

POWER SUPPLY FOR BATTERY PACK

 #29
20240154455
2024-05-09

ELECTRIC AIRCRAFT EMERGENCY POWER SUPPLY MODULE, AIRCRAFT EMERGENCY LIGHTING MODULE, AND METHOD OF CHARGING A POWER CELL OF AN ELECTRIC AIRCRAFT EMERGENCY POWER SUPPLY MODULE

 #30
20230341180
2023-10-26

METHOD AND DEVICE FOR MANUFACTURING LIQUID HYDROGEN BY OFFSHORE OFF-GRID SUPERCONDUCTING WIND TURBINE

 #31
20230315186
2023-10-05

Dynamic battery back-up for set-top-boxes

 #32
20230279851
2023-09-07

Method of using an intergrated, portable, battery-powered, variable-pressure electric liquid pump for controlling power in emergency station

 #33
20230216331
2023-07-06

SUPERCAPACITOR TO ELECTROCHEMICAL HYBRID SYSTEM WITH SMART SELF DISCHARGE CAPABILITY

 #34
20230123166
2023-04-20

POWER STATION SYSTEMS INCLUDING MODULAR POWER STORAGE SYSTEMS

 #35
20230063169
2023-03-02

VEHICLE POWER SUPPLY CONTROL SYSTEM, VEHICLE, AND METHOD

 #36
20230046229
2023-02-16

Helmet-mounted power system

 #37
20230033596
2023-02-02

Dynamic management of EV car charging critical loads

 #38
20230023933
2023-01-26

ELECTRIC CHARGER FOR AERONAUTICAL MAINTENANCE EQUIPMENT

 #39
20220200311
2022-06-23

Backup battery control module and backup battery control system

 #40
20220181903
2022-06-09

Backup power supply control method, apparatus, and system

 #41
20220163029
2022-05-26

Remotely controlled integrated, portable, battery-powered, variable-pressure electric liquid pump and power emergency station

 #42
20220009430
2022-01-13

Power supply system installed in a vehicle

 #43
20210408821
2021-12-30

Hybrid electrical power supply control system for providing electrical energy to a load, as well as a corresponding method and a sensor comprising such control system

 #44
20210336474
2021-10-28

Power backup circuit and method of operating the same

 #45
20210328428
2021-10-21

Split load connection

 #46
20210305840
2021-09-30

Power supply system with automatic transfer switches

 #47
20210303055
2021-09-30

Dynamic battery back-up for set-top-boxes

 #48
20210291766
2021-09-23

Power distributor of an electrical system of a motor vehicle

 #49
20210281104
2021-09-09

Battery operated one-shot device mitigating the effects of lithium battery passivation

 #50
20210271279
2021-09-02

Power voltage selection circuit

 #51
20210210974
2021-07-08

Apparatus and method for controlling power plant system

 #52
20200408204
2020-12-31

Remotely controlled integrated portable battery-powered variable-pressure electric pump and power emergency station

 #53
20200325000
2020-10-15

Backup power supply for elevator

 #54
20200241056
2020-07-30

Software defined battery charger system and method

 #55
20200166576
2020-05-28

Power supply system

 #56
20200124682
2020-04-23

Uninterruptible power supply (UPS) modules for testing systems

 #57
20200091724
2020-03-19

MODULAR CONNECTIVITY AND ENERGY SYSTEMS WITH INTEGRATED CIRCUIT BOARDS AND ASSOCIATED DEVICES AND METHODS

 #58
20200088792
2020-03-19

Relay operation state maintaining device and electronic device including the same

 #59
20200052571
2020-02-13

ELECTRIC POWER GENERATOR SYSTEM

 #60
20200036222
2020-01-30

Automatic transfer switch utilizing back-to-back mounted molded case circuit breakers or molded case switches to connect a load to a normal power source and a standby power source

 #61
20190356162
2019-11-21

Power over ethernet emergency lighting system and method of detecting power loss of a link segment thereof

 #62
20190355284
2019-11-21

Intelligent LED display

 #63
20190334444
2019-10-31

Bidirectional resonant direct current-direct current conversion circuit and uninterruptible power supply

 #64
20190326772
2019-10-24

Isolation switch operation

 #65
20190319480
2019-10-17

EMERGENCY DRIVER SYSTEM FOR PROVIDING A LOW FLOAT CHARGE POWER TO A RECHARGEABLE BATTERY

 #66
20190304714
2019-10-03

Interlocking structure of power conversion system and operation method therefor

 #67
20190278353
2019-09-12

Emergency power off devices

 #68
20190273380
2019-09-05

AC power source

 #69
20190206451
2019-07-04

Memory module battery backup

 #70
20190190310
2019-06-20

Backup power distribution assembly

 #71
20190148975
2019-05-16

Power supply recovery current history-based limitation

 #72
20190109456
2019-04-11

System power supply circuit

 #73
20190074695
2019-03-07

Interrupted DC applications

 #74
20190072592
2019-03-07

Software defined battery charger system and method

 #75
20190072200
2019-03-07

Electric valve and control method therefor

 #76
20190048666
2019-02-14

Electrical power transmission for well construction apparatus

 #77
20190044370
2019-02-07

Energy efficient electrical systems and methods for modular data centers and modular data pods

 #78
20180375372
2018-12-27

Uninterruptible power supply device

 #79
20180358814
2018-12-13

Systems and methods for providing electrical power to wind turbine components

 #80
20180358807
2018-12-13

Power supply system and power supply apparatus

 #81
20180351384
2018-12-06

Charge control device

 #82
20180343767
2018-11-29

Power distribution with batteries

 #83
20180340973
2018-11-29

Method and system for facilitating fault rectification in power backup devices

 #84
20180329470
2018-11-15

Reserve power system for data center

 #85
20180316164
2018-11-01

Apparatus of sliding submodule

 #86
20180278086
2018-09-27

Portable transfer switch

 #87
20180262004
2018-09-13

Adding and shedding loads using load levels to determine timing

 #88
20180254616
2018-09-06

Modular power distribution travel system

 #89
20180253804
2018-09-06

Dynamic management of critical loads

 #90
20180219410
2018-08-02

Power supply recovery current history-based limitation

 #91
20180197256
2018-07-12

Intelligent circuit breaker

 #92
20180183264
2018-06-28

Power over ethernet emergency lighting system and method of detecting power loss of a link segment thereof

 #93
20180181184
2018-06-28

Data storage device and method for monitoring power storage capability of secondary power of data storage device

 #94
20180175461
2018-06-21

Method for controlling charge capacity of UPS battery

 #95
20180174790
2018-06-21

“SAVUS” a simple, low cost emergency home power connection

 #96
20180145537
2018-05-24

External battery backup unit

 #97
20180131226
2018-05-10

Manual transfer switch for onsite energy generation and storage systems

 #98
20180131166
2018-05-10

Electrical bus interlaced technique for a shared resource distributed electrical power distribution system

 #99
20180123385
2018-05-03

HARDWARE SWITCH INITIATED BATTERY CURRENT CONTROL

 #100
20180114549
2018-04-26

Memory module battery backup

 #101
20180075548
2018-03-15

System and methods for creating dynamic nano grids and for aggregating electric power consumers to participate in energy markets

 #102
20180054084
2018-02-22

Power installation with UPS

 #103
20180034315
2018-02-01

UPS systems and methods using dual mode rectifier/inverter

 #104
20170331325
2017-11-16

Modular microgrid unit and method of use

 #105
20170302076
2017-10-19

Method for collision monitoring

 #106
20170229894
2017-08-10

Portable Battery Booster

 #107
20170222451
2017-08-03

Charging method and apparatus

 #108
20170207653
2017-07-20

SYSTEM, METHOD, AND APPARATUS FOR PROVIDING TEMPORARY POWER TO A POWER-OVER-ETHERNET LIGHTING NETWORK

 #109
20170149262
2017-05-25

Portable Battery Booster

 #110
20170104365
2017-04-13

Bi-directional DC-DC converter

 #111
20170104364
2017-04-13

SYSTEM, METHOD, AND APPARATUS FOR PROVIDING TEMPORARY POWER TO A POWER-OVER-ETHERNET LIGHTING NETWORK

 #112
20170054293
2017-02-23

Lockout-tagout systems and methods

 #113
20170012465
2017-01-12

UPS circuit

 #114
20170005512
2017-01-05

Mobile cart and power system therefor

 #115
20160365750
2016-12-15

System and method to improve network reliability

 #116
20160359361
2016-12-08

Uninterruptible power supply and method of use

 #117
20160316586
2016-10-27

Standalone uninterruptible power supply

 #118
20160285273
2016-09-29

Method and apparatus for compensating non-active currents in electrical power networks

 #119
20160276869
2016-09-22

Auxiliary power input switch configured to switch between line power and auxiliary power in an emergency

 #120
20160273792
2016-09-22

Low-power consumption standby circuit device, air conditioner and control method for air conditioner

 #121
20160241080
2016-08-18

All Electric In-House 5.K.W.Series Portable Generator

 #122
20160197483
2016-07-07

Key interlock system and method for safe operation of electric power distribution system

 #123
20160147273
2016-05-26

Mixed cell type battery module and uses thereof

 #124
20160103190
2016-04-14

Methods of testing uninterruptible power supply (UPS) systems with multiple UPS modules

 #125
20160036220
2016-02-04

Electrical network of an aircraft

 #126
20160034011
2016-02-04

Residential electric load shifting energy storage system

 #127
20160006298
2016-01-07

Backup power device, system and method of use

 #128
20150381053
2015-12-31

Apparatus for stabilizing supply to a consumer

 #129
20150380885
2015-12-31

Busbar connection assembly

 #130
20150340907
2015-11-26

Emergency power source

 #131
20150333569
2015-11-19

Control apparatus, control method, and program

 #132
20150303740
2015-10-22

Auxiliary power system for optical network terminal

 #133
20150256027
2015-09-10

Device and method for power disturbance detection

 #134
20150253044
2015-09-10

Refrigeration system with photovoltaic power source

 #135
20150194842
2015-07-09

Energy efficient electrical systems and methods for modular data centers and modular data pods

 #136
20150188429
2015-07-02

Power-supply device, method for controlling the same, and communication device including the same

 #137
20150171666
2015-06-18

Energy storage system (ESS) using uninterruptible power supply (UPS)

 #138
20150138922
2015-05-21

Voltage drop protection apparatus, transmission device, and voltage drop protection system

 #139
20150108835
2015-04-23

Dual input RTC supply generation with replica power path and autonomous mode of operation from the system supply

 #140
20150097436
2015-04-09

Busbar connection assembly

 #141
20150076914
2015-03-19

POWER CONVERSION SYSTEM AND ELECTRONIC DEVICE USING SAME

 #142
20150008744
2015-01-08

UPS systems and methods using dual mode rectifier/inverter

 #143
20140368043
2014-12-18

Systems and methods for grid interactive UPS

 #144
20140368042
2014-12-18

Systems and methods for multi-use multi-mode ups

 #145
20140354056
2014-12-04

Uninterruptible power supply system

 #146
20140321067
2014-10-30

Apparatus and methods for powering motor control centers using backfeed modules

 #147
20140312695
2014-10-23

Switch-Type Interlock Arrangement For Controlling The Neutral Output Of A Portable Generator

 #148
20140300192
2014-10-09

Power supply

 #149
20140217827
2014-08-07

APPARATUS FOR AND METHOD OF OPERATION OF A POWER INVERTER SYSTEM

 #150
20140208130
2014-07-24

Reserve power system for data center

 #151
20140208129
2014-07-24

Reserve power system for data center

 #152
20140197768
2014-07-17

Hot standby power supply for a variable frequency drive

 #153
20140191579
2014-07-10

Power System for Data Center

 #154
20140181551
2014-06-26

Mixed cell type battery module and uses thereof

 #155
20140167809
2014-06-19

Methods of testing unInterruptible power supply (UPS) systems with multiple UPS modules

 #156
20140161430
2014-06-12

System and method for operating a water heater using an auxiliary power source

 #157
20140152099
2014-06-05

Mobile cart and power system therefor

 #158
20140139122
2014-05-22

Systems and methods for multi-state power management

 #159
20140125128
2014-05-08

POWER REDUNDANCY APPARATUS FOR RACK-MOUNTED SERVER

 #160
20140111005
2014-04-24

Uninterruptible power supply and DC-DC converter

 #161
20140097693
2014-04-10

ELECTRICAL FEEDING DEVICE

 #162
20140097689
2014-04-10

Static transfer switch

 #163
20140094985
2014-04-03

Power supply system

 #164
20140077751
2014-03-20

MODULAR ELECTRICAL ENERGY PRODUCTION DEVICE

 #165
20140042809
2014-02-13

Paralelling of two transfer switches

 #166
20140029168
2014-01-30

Service access point for a uninterruptible power supply

 #167
20140013135
2014-01-09

SYSTEM AND METHOD OF CONTROLLING A POWER SUPPLY

 #168
20140001863
2014-01-02

Method and system for supplying emergency power to nuclear power plant

 #169
20140001855
2014-01-02

MOS transistor device in common source configuration

 #170
20130293995
2013-11-07

Non-sequential monitoring of battery cells in battery monitoring systems, and related components, systems, and methods

 #171
20130293017
2013-11-07

Environmental system and modular power skid for a facility

 #172
20130278066
2013-10-24

Electric household appliance and method for reducing stand-by state energy consumption using a switching mode low power supply unit

 #173
20130271056
2013-10-17

Pitch motor drive circuit which can operate in emergency mode

 #174
20130214603
2013-08-22

Electronic device, image processing apparatus, and device control method

 #175
20130197706
2013-08-01

Systems and Methods for Dynamic Islanding to Minimize Load Shed During Restoration After a Fault

 #176
20130175866
2013-07-11

Solar energy station and application

 #177
20130169045
2013-07-04

DC energy store systems and methods of operating the same

 #178
20130154377
2013-06-20

Uninterruptible power system, method of controlling power supply, and recording medium having power supply control program stored therein

 #179
20130147276
2013-06-13

Systems and methods for managing a fuel cell

 #180
20130119771
2013-05-16

Methods and Systems for a Reliable Automatic Reserve Battery Switch

 #181
20130116847
2013-05-09

Adding and shedding loads using load levels to determine timing

 #182
20130099560
2013-04-25

MULTIPLE SOURCE ELECTRICAL POWER DISTRIBUTION IN AIRCRAFT

 #183
20130093244
2013-04-18

Appliance having an auxiliary power input

 #184
20130076143
2013-03-28

Uninterruptible power system

 #185
20130069435
2013-03-21

Pre-Stage Boost Device for UPS

 #186
20130049590
2013-02-28

Emergency illumination system based on LED combined LED lamps

 #187
20130015704
2013-01-17

Uninterruptible power supply

 #188
20120306276
2012-12-06

Electrical and/or electronic supply circuit and method for providing a supply voltage

 #189
20120261994
2012-10-18

Dual input RTC supply generation with replica power path and autonomous mode of operation from the system supply

 #190
20120242295
2012-09-27

Method and arrangement for controlling an operation of an electric energy production facility during a disconnection to a utility grid

 #191
20120218684
2012-08-30

Service access point for a uninterruptible power supply

 #192
20120068662
2012-03-22

Portable battery booster

 #193
20110309676
2011-12-22

Integrated Power Sources for Mobile Electronic Devices

 #194
20110289336
2011-11-24

Data transfer enabled uninterruptable power system

 #195
20110285202
2011-11-24

Bus-tie SSPCS for DC power distribution system

 #196
20110278933
2011-11-17

Uninterruptible power supply systems and methods supporting high-efficiency bypassed operation with a variably available power source

 #197
20110276190
2011-11-10

Load sharing architecture for redundant channel controllers

 #198
20110260540
2011-10-27

BACKUP POWER SUPPLY FOR A VEHICLE

 #199
20110198933
2011-08-18

Power conversion circuit and power conversion circuit system

 #200
20110198927
2011-08-18

MOS transistor device in common source configuration

 #201
20110109271
2011-05-12

Non-isolated charger with bi-polar inputs

 #202
20110074217
2011-03-31

Device for supplying uninterruptible power

 #203
20100270977
2010-10-28

Non-isolated charger with bi-polar inputs

 #204
20100162009
2010-06-24

Network communication system for uninterruptible power supply and method for grouping controllers therein

 #205
20100138586
2010-06-03

Adaptive and modular UPS system and method

 #206
20090251106
2009-10-08

Non-isolated charger with bi-polar inputs

 #207
20080197709
2008-08-21

Cogeneration system

 #208
20080197411
2008-08-21

MOS transistor device in common source configuration

 #209
20070273212
2007-11-29

Device for supplying uninterruptible power

 #210
20060103345
2006-05-18

Electric power king

 #211
18969382
2025-08-12

Charging system and emergency start device

 #212
15422496
2018-04-24

Autonomous distributed lighting system

 #213
15414048
2019-09-24

Methods and systems for charging a backup battery pack

 #214
15331028
2017-10-03

Memory module battery backup

 #215
14202847
2018-01-30

Multi-circuit switching device

 #216
14088686
2017-02-28

Uninterruptible power supply for an electric apparatus

 #217
13926298
2016-12-06

Power control system with power drop out immunity and uncompromised startup time

 #218
13864175
2017-02-07

Energy capture from electrical power distribution lines

 #219
12825198
2017-10-17

Reserve power system for data center