ClassID:

216886

H02J1/02 - CPC Classification

Classification description:

Circuit arrangements for dc mains or dc distribution networks Arrangements for reducing harmonics or ripples

Recent Application in this class:
#1
20260135378
2026-05-14

DIRECT CURRENT POWER ADAPTER FOR POWERING NETWORK EQUIPMENT

#2
20260121403
2026-04-30

ELECTRICAL SYSTEMS AND METHODS

#3
20260045855
2026-02-12

Micro-Combined Heat and Power System and Method of Use

#4
20260031613
2026-01-29

CONVERTER TOPOLOGY FOR ELECTROLYSIS PLANTS

#5
20250357755
2025-11-20

ELECTRICAL SYSTEM WITH A VOLTAGE CONVERTER AND AN EXTERNAL CONTROL CIRCUIT FOR CONTROLLING THE CONVERTER

#6
20250330014
2025-10-23

ELECTRICAL POWER SYSTEM

#7
20250316978
2025-10-09

ELECTRICAL POWER SYSTEM

#8
20250210982
2025-06-26

POWER CONDITIONING FOR HIGH-SPEED MACHINE GENERATOR

#9
20250202228
2025-06-19

SYSTEMS AND METHODS OF POWER-VOLTAGE DROOP CONTROL FOR A DIRECT CURRENT (DC) MICROGRID

#10
20250168927
2025-05-22

Home Power Distribution with Multiphase Bridging

#11
20250141259
2025-05-01

UNINTERRUPTIBLE POWER SUPPLY

#12
20250141252
2025-05-01

ENERGY STORAGE CONVERTER, AND ENERGY STORAGE SYSTEM

#13
20240408990
2024-12-12

CHARGER VOLTAGE DROP COMPENSATION

#14
20240321486
2024-09-26

PASSIVE-TYPE HARMONIC REMOVAL DEVICE AND METHOD FOR MANUFACTURING SAME

#15
20240097440
2024-03-21

Chain of Power Devices

#16
20240006923
2024-01-04

CONTACTLESS POWER TRANSMISSION APPARATUS AND ADJUSTMENT METHOD THEREOF

#17
20230276535
2023-08-31

Home power distribution with multiphase bridging

#18
20230268733
2023-08-24

ENERGY DISTRIBUTION SYSTEM

#19
20230261517
2023-08-17

UNINTERRUPTIBLE POWER SUPPLY

#20
20230077421
2023-03-16

Power supply control apparatus and power supply control method

#21
20220368215
2022-11-17

Power conversion system for electrically driven mobility device and method for controlling same

#22
20220337064
2022-10-20

Electrical assembly having a characterized electrical parameter

#23
20220329449
2022-10-13

Filtering-based power supply apparatus, power sourcing equipment, and power supply system

#24
20220285935
2022-09-08

Direct current bus voltage control

#25
20220181962
2022-06-09

Power quality compensator device and control method thereof

#26
20220140615
2022-05-05

Chain of power devices

#27
20220123551
2022-04-21

Energy supply network

#28
20220061127
2022-02-24

Home power distribution with multiphase bridging

#29
20220032797
2022-02-03

System and method for on-board charger with a pulsating buffer

#30
20220021223
2022-01-20

Dynamic power supply system

#31
20210232187
2021-07-29

Method and apparatus for protecting electrical components from a transient electromagnetic disturbance

#32
20210213897
2021-07-15

Electric power distribution apparatus

#33
20210203178
2021-07-01

Power supply system

#34
20210036515
2021-02-04

Multi-port converter structure for DC/DC power conversion

#35
20210021124
2021-01-21

System and a method for feeding electric power to a consumer thereof

#36
20200328593
2020-10-15

Method and system for electronic current control for a flexible DC battery

#37
20200280183
2020-09-03

Direct current bus control system

#38
20200178355
2020-06-04

Home power distribution with multiphase bridging

#39
20200127455
2020-04-23

Device and Method for Controlling DC Bus Ripple

#40
20200076293
2020-03-05

Power supply device

#41
20200006939
2020-01-02

Electric motor system and high-frequency harmonic suppressing device of the same

#42
20190379274
2019-12-12

System and method for providing resonance damping

#43
20190294188
2019-09-26

In-line power conditioning for multi-drop data bus

#44
20190288552
2019-09-19

Pulsed power transmission apparatus

#45
20190288549
2019-09-19

Dying gasp power apparatus

#46
20190229609
2019-07-25

Plug-and-play ripple pacifier for DC voltage links in power electronics systems and DC power grids

#47
20190131788
2019-05-02

Dynamic filtering device for sensor

#48
20190036506
2019-01-31

Interference suppressor for a direct current circuit

#49
20180278054
2018-09-27

Systems and methods for redundant line voltage drop compensation

#50
20180278053
2018-09-27

Mechanism to extend the peak power capability of a mobile platform

#51
20180275711
2018-09-27

Systems and methods for line voltage drop compensation

#52
20180275700
2018-09-27

Systems and methods for boost circuit compensator modules

#53
20180264953
2018-09-20

Integrated electronic device with solid-state relay and pre-charge circuit

#54
20180244407
2018-08-30

Power management and distribution architecture for a space vehicle

#55
20180123444
2018-05-03

Method and device for damping voltage harmonics in a multilevel power converter

#56
20180123341
2018-05-03

Multi-port converter structure for DC/DC power conversion

#57
20180123340
2018-05-03

Interference suppression stage and power supply

#58
20180090928
2018-03-29

System and method for power supply ripple compensation

#59
20180083479
2018-03-22

High-voltage motor vehicle electrical system

#60
20180076619
2018-03-15

Start-up of HVDC networks

#61
20180062502
2018-03-01

Photovoltaic inverter

#62
20180048182
2018-02-15

Distributed battery management system

#63
20170338525
2017-11-23

DC power control device, method of controlling DC power, and DC power control system

#64
20170324389
2017-11-09

Harmonic filter for magnetic amplifier

#65
20170272070
2017-09-21

Semiconductor switch and communication module

#66
20170255913
2017-09-07

System for distributing electrical energy

#67
20170170659
2017-06-15

Level measuring device having a serial arrangement of functional units

#68
20170169917
2017-06-15

METHOD AND DEVICE FOR AVOIDING HARMONIC WAVES

#69
20170047729
2017-02-16

Relay protection method and apparatus against LC parallel circuit detuning faults

#70
20170030959
2017-02-02

Monitoring system for detecting error of harmonic filter in high voltage direct current (HVDC) system, and monitoring method thereof

#71
20160285378
2016-09-29

Apparatus and method for control of direct current transmission lines

#72
20160276948
2016-09-22

Power transmission network

#73
20160268886
2016-09-15

Electrical power supply system

#74
20160243951
2016-08-25

Integrated electronic device with solid-state relay and pre-charge circuit

#75
20160224042
2016-08-04

High and low power voltage regulation circuit

#76
20160116524
2016-04-28

Method and apparatus for electric arc detection

#77
20150349536
2015-12-03

CONTROL CIRCUIT

#78
20150325986
2015-11-12

Side wall bracket for cable tray

#79
20150276980
2015-10-01

Apparatus and method for solar energy resource micro-forecasts for solar generation sources and utilities

#80
20150263520
2015-09-17

Power management circuit and a method for operating a power management circuit

#81
20150236504
2015-08-20

System and method for determining cost of website performance

#82
20150229303
2015-08-13

Power distribution network (PDN) conditioner

#83
20150188482
2015-07-02

Power grid photo-voltaic integration using distributed energy storage and management

#84
20150171761
2015-06-18

Apparatus for increasing transmission efficiency for direct current electric energy

#85
20150155772
2015-06-04

Absorption circuit for absorbing a power ripple and associated method

#86
20150137764
2015-05-21

Attenuation circuit for an energy storage device and method for attenuating oscillations of the output current of an energy storage device

#87
20150123482
2015-05-07

Active damping with a switched capacitor

#88
20150091527
2015-04-02

Charging system, charging control device and charging method

#89
20150061411
2015-03-05

Electronic circuit with a current ripple filter

#90
20150035364
2015-02-05

Control circuit for excess energy removal in power transmission lines

#91
20150022149
2015-01-22

Wireless power receiver and method of managing thereof

#92
20150009594
2015-01-08

Control circuit

#93
20150008760
2015-01-08

Wireless power transmitter and method of managing thereof

#94
20150006916
2015-01-01

Active peak power management of a high performance embedded microprocessor cluster

#95
20140359329
2014-12-04

Adaptive power switch circuit

#96
20140292236
2014-10-02

Bidirectional motor driver low voltage power supply (LVPS)

#97
20140252973
2014-09-11

Ripple cancellation converter with high power factor

#98
20130278077
2013-10-24

Isolated measurement system with power transmitter disabling

#99
20130258733
2013-10-03

System and method for DC power transmission

#100
20130214611
2013-08-22

Wireless power receiver and method of managing power thereof

#101
20130169048
2013-07-04

Load driving device

#102
20130049886
2013-02-28

Direct current electric power system with active damping

#103
20130049885
2013-02-28

Active damping with a switched capacitor

#104
20130027006
2013-01-31

Boost power converter with high-side active damping in discontinuous conduction mode

#105
20120282981
2012-11-08

Mobile communication device employing power pack with multiple pairs of taps

#106
20120229088
2012-09-13

Charger for electric vehicle

#107
20120043815
2012-02-23

Active filtering electrical accumulator unit

#108
20110305050
2011-12-15

Methods for minimizing double-frequency ripple power in single-phase power conditioners

#109
20110201391
2011-08-18

Mobile communication device employing power pack with multiple pairs of taps

#110
20110109159
2011-05-12

Active low-pass current filter

#111
20100238690
2010-09-23

Methods for minimizing double-frequency ripple power in single-phase power conditioners

#112
20090189713
2009-07-30

Voltage controlled on-chip decoupling capacitance to mitigate power supply noise

#113
20090147423
2009-06-11

System and method for overvoltage protection

#114
20090097283
2009-04-16

Methods for minimizing double-frequency ripple power in single-phase power conditioners

#115
20070222298
2007-09-27

High efficiency lighting system

#116
20070182599
2007-08-09

Systems and methods for current management for digital logic devices

#117
20070182598
2007-08-09

Systems and methods for current management for digital logic devices

#118
20060066366
2006-03-30

Current modulation filter

#119
20050243494
2005-11-03

Highly efficient line transient protection circuit for high power loads

#120
20050099138
2005-05-12

High efficiency lighting system

#121
19268072
2026-03-10

Direct current power adapter for powering network equipment

#122
19037402
2025-06-24

Rapid tracking and adaptive compensation method for power fluctuation of pulse load of ship

#123
15426844
2018-09-25

Low-inductance direct current power bus

#124
15048546
2017-05-30

Harmonic filter for multipulse converter systems