Patents-Review.com
ClassID:

201739 ⎘

H01F2029/143 - CPC Classification

Classification description:

Variable transformers or inductances not covered by group with variable magnetic bias with control winding for generating magnetic bias

Recent Application in this class:
#1
20230308034
2023-09-28

MULTI-PHASE ELECTRICAL TRANSFORMER AND POWER CONTROL APPARATUS

 #2
20230120793
2023-04-20

SYSTEM FOR INDUCING AN ELECTRIC FIELD IN A CONDUCTING MEDIUM, ESPECIALLY FOR MEDICAL APPLICATIONS

 #3
20220181965
2022-06-09

Circuit assembly, electrolysis device, and method for operating a circuit assembly or an electrolysis device

 #4
20210407731
2021-12-30

Magnetically controllable choke coil having central connection

 #5
20210272735
2021-09-02

Reactor

 #6
20210175712
2021-06-10

Electrical power distribution network and process

 #7
20190312430
2019-10-10

Electrical power distribution network and process

 #8
20190267186
2019-08-29

Electromagnetic power converter

 #9
20180248534
2018-08-30

Impedance matching device

 #10
20180241300
2018-08-23

Variable inductor apparatuses systems and methods

 #11
20180224491
2018-08-09

System and method for tuning transformers

 #12
20180211769
2018-07-26

Electromagnetic power converter

 #13
20180082781
2018-03-22

Circuit arrangement for reducing a magnetic unidirectional flux component in the core of a transformer

 #14
20170338730
2017-11-23

Resonant converters with variable inductor

 #15
20170213643
2017-07-27

Apparatus for reducing a magnetic unidirectional flux component in the core of a transformer

 #16
20170213641
2017-07-27

Circuit arrangement for reducing a unidirectional flux component in the soft-magnetic core of a transformer

 #17
20170154725
2017-06-01

Reconfigurable coupled inductor

 #18
20170110243
2017-04-20

Coil component

 #19
20160379752
2016-12-29

Variable inductor and wireless communication device including variable device for conversion of a baseband signal to a radio frequency (RF) range

 #20
20160300662
2016-10-13

Device and method for reducing a magnetic unidirectional flux component of a transformer core

 #21
20150279553
2015-10-01

System and method for tuning transformers

 #22
20150263636
2015-09-17

Distribution transformer

 #23
20150248962
2015-09-03

Fault current limiter

 #24
20140347778
2014-11-27

Switching device

 #25
20130207483
2013-08-15

Arrangement and method for the compensation of a magnetic unidirectional flux in a transformer core

 #26
20130201592
2013-08-08

Device and method for reducing a magnetic unidirectional flux fraction in the core of a transformer

 #27
20130021126
2013-01-24

TRANSFORMER

 #28
20130009737
2013-01-10

Transformer

 #29
20110248812
2011-10-13

Current-controlled variable inductor

 #30
20110216465
2011-09-08

Electromagnetic system with no mutual inductance and an inductive gain

 #31
20080068119
2008-03-20

Electric reactor of controlled reactive power and method to adjust the reactive power

 #32
20060152324
2006-07-13

Magnetically controlled inductive device

 #33
20050190585
2005-09-01

Magnetically influenced current or voltage regulator and a magnetically influenced converter

 #34
20050127773
2005-06-16

Rotating asynchronous converter and a generator device