ClassID:

201756

H01F38/023 - CPC Classification

Classification description:

Adaptations of transformers or inductances for specific applications or functions for non-linear operation of inductances

Sub-classes:
Recent Application in this class:
#1
20250218655
2025-07-03

WIRELESS EXCITATION SYSTEM

#2
20240234026
2024-07-11

Passive Negative Inductor and a Method for Fabricating the Passive Negative Inductor

#3
20240136121
2024-04-25

Passive Negative Inductor and a Method for Fabricating the Passive Negative Inductor

#4
20230197336
2023-06-22

SINGLE CORE CROSS-COUPLED MULTI-PHASE INDUCTOR

#5
20220208425
2022-06-30

INTEGRATED INDUCTOR AND POWER MODULE

#6
20210358686
2021-11-18

Wireless excitation system

#7
20210257157
2021-08-19

Coil device with predetermined gap arrangement

#8
20210257138
2021-08-19

Inductor with variable permeability core

#9
20200219649
2020-07-09

Differential Coil, Solenoid Type, High Voltage Series Reactor

#10
20200135390
2020-04-30

Segmented winding techniques for a coupled inductor circuit

#11
20200014199
2020-01-09

Current controlling device

#12
20190304675
2019-10-03

Fault Current Limiter

#13
20190304674
2019-10-03

Fault Current Limiter

#14
20190139699
2019-05-09

Differential-coil, solenoid type, high voltage series reactor

#15
20180254137
2018-09-06

Variable coupled inductor

#16
20180248363
2018-08-30

Fault current limiter

#17
20180248362
2018-08-30

Fault current limiter

#18
20180175614
2018-06-21

Fault current limiter

#19
20170229858
2017-08-10

Fault current limiter

#20
20170214312
2017-07-27

Method for protecting an electrical modular unit from overcurrent damage

#21
20170092418
2017-03-30

Fault current limiter

#22
20170084387
2017-03-23

Electrical component

#23
20170011842
2017-01-12

Variable magnetic coupling reactor having two integrated reactor elements, power supply system including the same, and method of use of composite magnetic component having two integrated reactor elements

#24
20160099099
2016-04-07

Variable coupled inductor

#25
20150288170
2015-10-08

Passive fault current limiter for wind power applications

#26
20150263515
2015-09-17

Magnetothermal current limiting device

#27
20150248962
2015-09-03

Fault current limiter

#28
20150244054
2015-08-27

Directional coupler

#29
20150170822
2015-06-18

Coupled inductor and power converter

#30
20150084422
2015-03-26

Magnetic component, power converter and power supply system

#31
20150002129
2015-01-01

Voltage converter inductor having a nonlinear inductance value

#32
20140254056
2014-09-11

Fault current limiter

#33
20140192450
2014-07-10

Fault current limiter

#34
20140103718
2014-04-17

Increasing the light-load efficiency of voltage regulators using nonlinear inductors with cores of different materials

#35
20140055226
2014-02-27

Variable coupled inductor

#36
20130141202
2013-06-06

Core

#37
20130027112
2013-01-31

INDUCTOR

#38
20130010504
2013-01-10

Power converter and integrated DC choke therefor

#39
20120306606
2012-12-06

Device for limiting current having variable coil impedance

#40
20120280778
2012-11-08

Inductor having different currents for different loads

#41
20120262831
2012-10-18

FAULT CURRENT LIMITER

#42
20120256719
2012-10-11

Harmonic mitigation devices and applications thereof

#43
20120256614
2012-10-11

TECHNIQUE FOR LIMITING FAULT CURRENT TRANSMISSION

#44
20120161916
2012-06-28

CORE UNIT AND INDUCTOR HAVING THE CORE UNIT

#45
20120153927
2012-06-21

Fault current limiter with saturated core

#46
20120040839
2012-02-16

Fault current limiter

#47
20110169476
2011-07-14

Asymmetrical coupled inductors and associated methods

#48
20110080246
2011-04-07

INDUCTOR TOPOLOGIES WITH SUBSTANTIAL COMMON-MODE AND DIFFERENTIAL-MODE INDUCTANCE

#49
20110080244
2011-04-07

Inductor topologies with substantial common-mode and differential-mode inductance

#50
20110080243
2011-04-07

Inductor

#51
20100296217
2010-11-25

Fault current limiter

#52
20090237197
2009-09-24

Method for making magnetic components with M-phase coupling, and related inductor structures

#53
20090231081
2009-09-17

Voltage converter inductor having a nonlinear inductance value

#54
20090201118
2009-08-13

Electromagnetic current limiter device

#55
20090045899
2009-02-19

Thin film magnetic device and method of manufacturing the same

#56
20080150372
2008-06-26

Switching circuit and control method thereof

#57
20080074230
2008-03-27

VARIABLE PERMEABILITY INDUCTOR CRE STRUCTURES

#58
20080074227
2008-03-27

INDUCTOR TOPOLOGIES WITH SUBSTANTIAL COMMON-MODE AND DIFFERENTIAL-MODE INDUCTANCE

#59
20070171019
2007-07-26

Power inductor with reduced DC current saturation

#60
20070163110
2007-07-19

Method of fabricating conductor crossover structure for power inductor

#61
20070109089
2007-05-17

Self-damped inductor

#62
20060158299
2006-07-20

Method for providing a power inductor

#63
20060158298
2006-07-20

Power inductor with reduced DC current saturation

#64
20060158297
2006-07-20

Method of fabricating a conducting crossover structure for a power inductor

#65
20060114093
2006-06-01

Method of making a power inductor with reduced DC current saturation

#66
20060114091
2006-06-01

Power inductor with reduced DC current saturation

#67
20060082430
2006-04-20

Power inductor with reduced DC current saturation

#68
20050012586
2005-01-20

Power inductor with reduced DC current saturation

#69
20050012583
2005-01-20

Power inductor with reduced DC current saturation

#70
20050012582
2005-01-20

Power inductor with reduced DC current saturation