Patents-Review.com
ClassID:

201725 ⎘

H01F2027/408 - CPC Classification

Classification description:

Details of transformers or inductances, in general; Structural association with built-in electric component, e.g. fuse Association with diode or rectifier

Recent Application in this class:
#1
20250182958
2025-06-05

POWER TRANSFORMER ASSEMBLY

 #2
20240363283
2024-10-31

POWER MODULE AND POWER CIRCUIT

 #3
20240242875
2024-07-18

ASYMMETRIC DELTA MULTI-PULSE TRANSFORMER RECTIFIER UNIT, AND ASSOCIATED SYSTEMS AND METHODS

 #4
20240029939
2024-01-25

MAGNETIC APPARATUS, AND VOLTAGE CONVERTER INCLUDING THE SAME

 #5
20220392700
2022-12-08

SYSTEMS AND METHODS FOR LEADLESS POWER COUPLING FOR CRYOGENIC ENVIRONMENTS

 #6
20220321015
2022-10-06

DC voltage conversion circuit and power supply device

 #7
20220277893
2022-09-01

Isolated communications apparatus and power supply system

 #8
20220277881
2022-09-01

TRANSFORMER

 #9
20220238269
2022-07-28

System to optimize voltage distribution along high voltage doubler string

 #10
20220208444
2022-06-30

Asymmetric 24-pulse autotransformer rectifier unit for turboelectric propulsion, and associated systems and methods

 #11
20220208440
2022-06-30

Power module and power circuit

 #12
20200412261
2020-12-31

DC voltage conversion circuit and power supply device

 #13
20200335255
2020-10-22

Multilayer transformer structure comprising multiple rectification elements

 #14
20200083739
2020-03-12

Charging device, charging method, power adapter and terminal

 #15
20200020480
2020-01-16

Selectable power scavenging systems and methods

 #16
20200005995
2020-01-02

Electromagnetic device

 #17
20190272941
2019-09-05

Integrated magnetic component and switched mode power converter

 #18
20190252115
2019-08-15

High voltage transformer apparatus

 #19
20190221362
2019-07-18

Magnetic structures for low leakage inductance and very high efficiency

 #20
20190199232
2019-06-27

Converter module

 #21
20190157895
2019-05-23

Charging device and method, power adapter and terminal

 #22
20190156998
2019-05-23

Current transformer module and power supply device including the same

 #23
20190148061
2019-05-16

Synchronous rectification module

 #24
20190122812
2019-04-25

Power module and power circuit

 #25
20190058347
2019-02-21

Charging system and method, and power adapter

 #26
20190052116
2019-02-14

Wireless charging system and device therefor

 #27
20190036380
2019-01-31

Thin film photovoltaic wireless interface

 #28
20180374624
2018-12-27

Coil unit having cooling apparatus

 #29
20180367047
2018-12-20

Charging device and terminal providing power with alternating current

 #30
20180352875
2018-12-13

System and method for wireless charging of smart garments

 #31
20180350514
2018-12-06

Insulation type step-down coverter

 #32
20180331612
2018-11-15

Charging system and method for terminal, power adapter and charging device

 #33
20180331576
2018-11-15

Wireless power transmission system

 #34
20180331562
2018-11-15

Charging system and charging method and power adapter for charging a rechargeable battery

 #35
20180331561
2018-11-15

Charging system and charging method for terminal, and power adapter

 #36
20180254711
2018-09-06

Charging system, charging method, and power adapter

 #37
20180197673
2018-07-12

Integrated magnetic component and switched mode power converter

 #38
20180182540
2018-06-28

Electromagnetic device

 #39
20180174737
2018-06-21

PCB winding transformer and coil board thereof

 #40
20180123376
2018-05-03

Charging system and charging method, and power adapter

 #41
20180069414
2018-03-08

Charging system, lightning protection method for terminal during charging, and power adapter

 #42
20180048179
2018-02-15

Charging device, charging method, power adapter and terminal

 #43
20180048172
2018-02-15

Charging system, lightning protection method for terminal during charging, and power adapter

 #44
20180048164
2018-02-15

Charging system and method, and power adapter

 #45
20180034379
2018-02-01

Charging system, charging method, and power adapter

 #46
20180034311
2018-02-01

Charging system, charging method, and power adapter

 #47
20180034310
2018-02-01

Charging control method and apparatus

 #48
20180034309
2018-02-01

Charging system, charging method, and power adapter

 #49
20180034301
2018-02-01

Charging device and method, power adapter and terminal

 #50
20180034293
2018-02-01

Charging system, charging method, and power adapter

 #51
20180019611
2018-01-18

Charging method, charging system, and power adapter

 #52
20170372834
2017-12-28

Transformer, and switching power supply and isolator including transformer

 #53
20170338670
2017-11-23

Charging system and charging method, and power adapter

 #54
20170278625
2017-09-28

MAGNETIC ENERGY-TRANSMITTING ELEMENT AND POWER SUPPLY FOR CANCELLING OUT ELECTRICAL NOISE

 #55
20170141695
2017-05-18

Converter module, transformer module and circuit thereof

 #56
20160307695
2016-10-20

MAGNETIC STRUCTURES FOR LOW LEAKAGE INDUCTANCE AND VERY HIGH EFFICIENCY

 #57
20160064142
2016-03-03

TRANSFORMER WITH INTEGRATED FLUID FLOW SENSOR

 #58
20150222188
2015-08-06

HIGH FREQUENCY TRANSFORMER FOR REDUCING LEAKAGE FLUX

 #59
20140360994
2014-12-11

Welding transformer and welding transformer assembly and welding apparatus

 #60
20140306732
2014-10-16

Detection of defective electrical connections

 #61
20140305913
2014-10-16

Resistance welding device comprising a power source arranged on a welding gun

 #62
20140091889
2014-04-03

Transformer

 #63
20140063864
2014-03-06

Electronic device

 #64
20130329343
2013-12-12

Integrated cooling system

 #65
20130314071
2013-11-28

Transformer correction circuit and technique for reducing cross-talk current

 #66
20130278368
2013-10-24

Rectifier transformer

 #67
20130242452
2013-09-19

Magnetic energy-transmitting element and power supply for cancelling out electrical noise

 #68
20130188329
2013-07-25

Transformer with externally-mounted rectifying circuit board

 #69
20130176756
2013-07-11

Multiphase transformer rectifier unit

 #70
20130141036
2013-06-06

CHARGEABLE CASE OF ELECTRONIC DEVICE AND CHARGING SYSTEM

 #71
20130008877
2013-01-10

Resistance welding high frequency transformer and spot welding machine

 #72
20120281445
2012-11-08

TRANSFORMER UNIT

 #73
20120243278
2012-09-27

Power module and circuit board assembly thereof

 #74
20120212314
2012-08-23

Power module and circuit board assembly thereof

 #75
20120188804
2012-07-26

Current supply arrangement for the rectifying three-phase AC current into multi-pulse DC current

 #76
20120119676
2012-05-17

FLYBACK POWER CONVERTER WITH DIVIDED ENERGY TRANSFER ELEMENT

 #77
20120086413
2012-04-12

Reactive current transformer

 #78
20110032683
2011-02-10

Power module and circuit board assembly thereof

 #79
20090309684
2009-12-17

Transformer and rectifier circuit using such transformer

 #80
20090302982
2009-12-10

Nondestructive capture of projectiles

 #81
20090231891
2009-09-17

Reactor arrangement for alternating electrical current

 #82
20090231074
2009-09-17

Reactor arrangement

 #83
20090109710
2009-04-30

Switching power supply unit

 #84
20090108975
2009-04-30

HIGH-VOLTAGE TRANSFORMER

 #85
20090096562
2009-04-16

HIGH-VOLTAGE TRANSFORMER

 #86
20080048818
2008-02-28

Transformers with improved voltage-step-down ratios and DC-to-DC power converters employing same

 #87
20070040644
2007-02-22

Power factor correction rectifier having independent inductive components