ClassID:

216887

H02J1/04 - CPC Classification

Classification description:

Circuit arrangements for dc mains or dc distribution networks Constant-current supply systems

Recent Application in this class:
#1
20260135376
2026-05-14

POWER SUPPLY AND A METHOD FOR SUPPLYING DIRECT CURRENT TO A LOAD

#2
20260109307
2026-04-23

PERIPHERAL POWER MODULE FOR PERSONAL ELECTRIC VEHICLES

#3
20260106453
2026-04-16

MODULAR SPA CONTROLLER WITH VARIABLE FREQUENCY DRIVE

#4
20260095045
2026-04-02

LONG-DISTANCE UNDERWATER POWER SUPPLY SYSTEM

#5
20260012013
2026-01-08

DC POWER SUPPLY SYSTEM

#6
20260005523
2026-01-01

MONOLITHIC SERIES CIRCUIT CONNECTIONS WITH HIGH-VOLTAGE INPUT

#7
20250309619
2025-10-02

GROUNDING DEVICE FOR ELECTRIC FENCE

#8
20250202228
2025-06-19

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

#9
20250070589
2025-02-27

VOLTAGE STABILIZING CIRCUIT AND DC MICROGRID

#10
20240333004
2024-10-03

POWER SUPPLY APPARATUS

#11
20240322564
2024-09-26

DIRECT-CURRENT BUS CONTROL SYSTEM

#12
20240243571
2024-07-18

MESH-BASED ARCHITECTURE FOR DC MICROGRID CONTROL TO ACHIEVE ACCURATE CURRENT SHARING AMONG CONVERTERS

#13
20230396081
2023-12-07

Series-type charging and discharging apparatus without current interruption

#14
20230054222
2023-02-23

DC power distribution architecture and method applicable to data centers

#15
20220393442
2022-12-08

GROUNDING DEVICE FOR ELECTRIC FENCE

#16
20220302700
2022-09-22

DC VOLTAGE REGULATION BY INDEPENDENT POWER CONVERTERS

#17
20220278533
2022-09-01

Priority load sharing for electrical power systems having multiple power sources

#18
20220246351
2022-08-04

Apparatus and method for improving efficiency of distributed generation facility

#19
20220029417
2022-01-27

HYBRID POWER PLANT FOR IMPROVED EFFICIENCY AND DYNAMIC PERFORMANCE

#20
20210261261
2021-08-26

Supplementary function module for aircraft

#21
20210167596
2021-06-03

Control device and power conversion device

#22
20210066941
2021-03-04

Constant power charging method and device for mobile terminal

#23
20210036514
2021-02-04

Direct current power supplying system

#24
20200280183
2020-09-03

Direct current bus control system

#25
20200249906
2020-08-06

System and method connected to a casket to play audio file over a network

#26
20200185961
2020-06-11

Signal transmission system and signal transmission method

#27
20200185915
2020-06-11

HYBRID POWER PLANT FOR IMPROVED EFFICIENCY AND DYNAMIC PERFORMANCE

#28
20200169083
2020-05-28

DC VOLTAGE REGULATION BY INDEPENDENT POWER CONVERTERS

#29
20200106284
2020-04-02

Multi-stage constant current charging method and charging apparatus

#30
20190372342
2019-12-05

Intelligent power supply and auxiliary monitoring method for intelligent power supply

#31
20190341777
2019-11-07

Direct current power grid voltage control method

#32
20190313498
2019-10-10

Light emitting diode drive circuit with silicon-controlled rectifier dimmer, circuit module and control method

#33
20190280519
2019-09-12

Uninterruptible power supply apparatus and method

#34
20190190261
2019-06-20

Method and apparatus for delivering electrical power to blockchain processing devices

#35
20190037723
2019-01-31

Scalable structure for connection of power supply units

#36
20190013693
2019-01-10

Power apparatus operating method, power apparatus, and power apparatus management system

#37
20180295690
2018-10-11

LED driver with silicon controlled dimmer, circuit module and control method thereof

#38
20180294715
2018-10-11

Power system based on current source

#39
20180248382
2018-08-30

Intelligent current limiting to enable chaining of AC and DC appliances

#40
20180248367
2018-08-30

Intelligent current limiting to enable chaining of DC appliances

#41
20180238954
2018-08-23

Power interrupt system for a connector of a power supply device

#42
20180138700
2018-05-17

Supplying an electrical load with electrical energy from a voltage source

#43
20180129235
2018-05-10

Constant-voltage generating apparatus and measuring apparatus

#44
20180088648
2018-03-29

Power feeding system and negotiation controller

#45
20180059498
2018-03-01

Boost circuit for electrochromic devices

#46
20170357281
2017-12-14

Large scale sub-sea high voltage distributed DC power infrastructure using series adaptive clamping

#47
20170288416
2017-10-05

Power storage control apparatus, direct-current power system, and controlling method thereof

#48
20170214236
2017-07-27

Method and apparatus for parallel operation of packet energy transfer receivers

#49
20170070054
2017-03-09

Solar powered water pumping system with photovoltaic system that tracks a maximum power point

#50
20160352099
2016-12-01

Hybrid power plant for improved efficiency and dynamic performance

#51
20160342128
2016-11-24

Electric power supply device and image forming apparatus including such an electric power supply device

#52
20160233665
2016-08-11

Methods of establishing and adjusting current limits for device couplers, and an electrical circuit for performing the methods

#53
20160181802
2016-06-23

Power system based on current source

#54
20160134108
2016-05-12

Active droop current sharing among power supply units

#55
20160043560
2016-02-11

Device for intrinsically safe redundant current supply of field devices

#56
20150380929
2015-12-31

Power supply system

#57
20150333514
2015-11-19

Cable drop compensation circuit and power circuit using the same

#58
20150311706
2015-10-29

Power supply device, and control method of power supply device

#59
20150263520
2015-09-17

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

#60
20150236505
2015-08-20

Power adapter and method of adapting power for electronic devices

#61
20150188415
2015-07-02

Photovoltaic systems with maximum power point tracking controller

#62
20150076910
2015-03-19

Multi-mode current-allocating device

#63
20150061390
2015-03-05

Power Supply

#64
20150001956
2015-01-01

Wireless power receiving device having a short-circuiting switch, and wireless power transmission device

#65
20140375129
2014-12-25

Dynamic Power Management

#66
20140346882
2014-11-27

Power supply device and power supply switching method

#67
20140340947
2014-11-20

Power supply device and power supply switching method

#68
20140292084
2014-10-02

Method of controlling the operation of a hybrid system

#69
20140226057
2014-08-14

Motor control device and imaging apparatus with improved power source stability

#70
20140158525
2014-06-12

Apparatus for controlling an electrolytic cell in a water purification system

#71
20140097685
2014-04-10

Serial loading constant power supply system

#72
20130246815
2013-09-19

Computer system selectively directing power to a battery from either a backup power supply or a normal power supply based on a reduction of voltage measured from one or more detection circuits

#73
20130200699
2013-08-08

Power supply device

#74
20130155725
2013-06-20

Method for current control in a direct voltage network of a direct voltage converter and a direct voltage converter

#75
20130140910
2013-06-06

Sensor device

#76
20130119761
2013-05-16

Hybrid power plant for improved efficiency and dynamic performance

#77
20120224397
2012-09-06

DEVICES AND METHODS OF CONSTANT OUTPUT CURRENT AND VOLTAGE CONTROL FOR POWER SUPPLIES

#78
20120176826
2012-07-12

Source and multiple loads regulator

#79
20120025535
2012-02-02

Methods and systems for direct current power transmission

#80
20110309679
2011-12-22

Multi-use voltage regulator

#81
20110309677
2011-12-22

Hybrid power plant for improved efficiency and dynamic performance

#82
20110234189
2011-09-29

Current control device for electric load

#83
20110169331
2011-07-14

Adaptive power architecture for electronic modules

#84
20110119506
2011-05-19

Powered device capable of working in continuation in case of power failure

#85
20100320837
2010-12-23

Electrical energy and distribution system

#86
20090122633
2009-05-14

INTEGRATED CIRCUIT WITH CONTROLLED POWER SUPPLY

#87
20090121548
2009-05-14

Dynamic current limits

#88
20080272754
2008-11-06

Constant voltage power supply circuit and method of controlling the same

#89
20070182387
2007-08-09

Primary side regulated power supply system with constant current output

#90
20070086138
2007-04-19

Two-wire active sensor interface circuit

#91
20060267567
2006-11-30

Constant voltage power supply circuit and method of controlling the same

#92
20050248215
2005-11-10

System for detecting low voltage in an electric appliance

#93
17949349
2023-02-14

Current detection circuit and method

#94
15871668
2019-04-09

Power converter temperature estimation

#95
15851084
2018-07-10

Multi-output control system and operating method for the same

#96
13591985
2016-05-24

Common slot battery backup unit for network devices