ClassID:

201709

H01F27/34 - page 2 - CPC Classification

Classification description:

Details of transformers or inductances, in general Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields

Recent Application in this class:
#301
20100194373
2010-08-05

Electrical transformer with unidirectional flux compensation

#302
20100182119
2010-07-22

Carbon nano tube Litz wire for low loss inductors and resonators

#303
20100171582
2010-07-08

Method for production of monolithic inductive component

#304
20100171580
2010-07-08

Reactor core and reactor

#305
20100165671
2010-07-01

Switched-mode Power Supplies

#306
20100164667
2010-07-01

On-chip transformer BALUN structures

#307
20100141374
2010-06-10

Transformer with signal immunity to external magnetic fields

#308
20100134231
2010-06-03

Magnetic element

#309
20100127812
2010-05-27

Chip-type coil component

#310
20100117781
2010-05-13

Procedure and equipment for the reduction of iron mass requirements of electric machines with prevention of magnetic saturation

#311
20100109829
2010-05-06

Electronic component

#312
20100102913
2010-04-29

Aligned multilayer wound coil

#313
20100090790
2010-04-15

Common-mode choke coil

#314
20100066472
2010-03-18

OPTIMISED SOLENOID WINDING

#315
20100062626
2010-03-11

Electrical connector system with magnetic module

#316
20100052817
2010-03-04

Integrated circuit inductor with transverse interfaces

#317
20100045418
2010-02-25

Common-mode choke coil

#318
20100039198
2010-02-18

Ignition coil with spaced secondary sector windings

#319
20090315662
2009-12-24

Inductor element, inductor element manufacturing method, and semiconductor device with inductor element mounted thereon

#320
20090309684
2009-12-17

Transformer and rectifier circuit using such transformer

#321
20090302986
2009-12-10

Minimal-length windings for reduction of copper power losses in magnetic elements

#322
20090295525
2009-12-03

Inductor component

#323
20090267722
2009-10-29

Grounding of magnetic cores

#324
20090261452
2009-10-22

SEMICONDUCTOR DEVICE INCLUDING AN INDUCTOR ELEMENT

#325
20090251267
2009-10-08

Inductors and methods of operating inductors

#326
20090243783
2009-10-01

Methods of making coil transducers

#327
20090237195
2009-09-24

Center-tapped transformer

#328
20090201005
2009-08-13

DC to DC converter module

#329
20090179724
2009-07-16

Power Inductor

#330
20090167478
2009-07-02

DEVICE FOR IMPROVING EDDY CURRENT LOSS OF TRANSFORMER AND CONTROLLING METHOD THEREOF

#331
20090154052
2009-06-18

Composite electronic device

#332
20090096565
2009-04-16

Parallel gapped ferrite core

#333
20090091414
2009-04-09

On-chip inductor for high current applications

#334
20090085706
2009-04-02

Printed circuit board coil

#335
20090027152
2009-01-29

Inductance comprising turns on several metallization levels

#336
20090027150
2009-01-29

Inductance with a small surface area and with a midpoint which is simple to determine

#337
20090021237
2009-01-22

Current transformer and electric energy meter

#338
20090002116
2009-01-01

Interleaved planar transformer primary and secondary winding

#339
20080303621
2008-12-11

Common mode choke coil

#340
20080303512
2008-12-11

Isolating Transformer

#341
20080297299
2008-12-04

Vertically formed inductor and electronic device having the same

#342
20080284919
2008-11-20

Fully integrated tuner architecture

#343
20080245550
2008-10-09

Electronic component and method for manufacturing the same

#344
20080238596
2008-10-02

Grounding of magnetic cores

#345
20080231211
2008-09-25

Power supply

#346
20080212341
2008-09-04

DC-DC converter and transformer

#347
20080211614
2008-09-04

Inductive rotary transfer device

#348
20080192960
2008-08-14

Hybrid Filter for Audio Switching Amplifier

#349
20080186120
2008-08-07

Winding arrangement for planar transformer and inductor

#350
20080180204
2008-07-31

Multiple-level inductance

#351
20080179445
2008-07-31

Coil component

#352
20080174397
2008-07-24

High quality factor, low volume, air-core inductor

#353
20080169893
2008-07-17

Low AC resistant foil winding for magnetic coils on gapped cores

#354
20080157912
2008-07-03

Monolithic inductor

#355
20080157272
2008-07-03

Planar inductor and method of manufacturing it

#356
20080136551
2008-06-12

Carbon nanotubes litz wire for low loss inductors and resonators

#357
20080100408
2008-05-01

Inductor structure

#358
20080094161
2008-04-24

High voltage transformer

#359
20080094160
2008-04-24

Generalized cancellation of inductor winding capacitance

#360
20080094153
2008-04-24

Cancellation of inductor winding capacitance

#361
20080075975
2008-03-27

Magnetic cores for inductors and transformers and method of manufacture

#362
20080062727
2008-03-13

Laminated balun transformer

#363
20080049407
2008-02-28

Chip element

#364
20080048818
2008-02-28

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

#365
20080048813
2008-02-28

Low resistance inductors, methods of assembling same, and systems containing same

#366
20080048760
2008-02-28

Monolithically integratable LC circuit arrangement

#367
20080042785
2008-02-21

Inductor circuit board, method of forming inductor, and bias-T circuit

#368
20080042087
2008-02-21

Electrohydraulic valve control circuit with magnetic hysteresis compensation

#369
20080036565
2008-02-14

Transformer

#370
20080030292
2008-02-07

Electromagnetic induction type processing apparatus

#371
20080030283
2008-02-07

Circuit, Manufacturing Method And Inverter circuit For Discharge Tube

#372
20080024114
2008-01-31

Method and system for transformer control

#373
20080012680
2008-01-17

Devices and methods for redistributing magnetic flux density

#374
20080012678
2008-01-17

Symmetrical inductor

#375
20080007381
2008-01-10

Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components

#376
20080001698
2008-01-03

Integrated inductors

#377
20080001695
2008-01-03

MAGNETIC ELEMENT IN A NON-SATURATED REGION IN A TRANSFORMER/INDUCTOR

#378
20070268106
2007-11-22

Device for improving amplitude imbalance of on-chip transformer balun

#379
20070268101
2007-11-22

Low AC loss superconductor for a superconducting magnet and method of making same

#380
20070241854
2007-10-18

Voltage stress reduction in magnetics using high resistivity materials

#381
20070222548
2007-09-27

Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components

#382
20070217103
2007-09-20

Method and equipment for the protection of power systems against geomagnetically induced currents

#383
20070216510
2007-09-20

Inductor and method of forming the same

#384
20070209645
2007-09-13

Twin spark ignition coil with provisions to balance load capacitance

#385
20070205856
2007-09-06

Coil component

#386
20070188288
2007-08-16

Laminated inductor

#387
20070171585
2007-07-26

Method for suppressing common mode noise

#388
20070171019
2007-07-26

Power inductor with reduced DC current saturation

#389
20070163110
2007-07-19

Method of fabricating conductor crossover structure for power inductor

#390
20070145968
2007-06-28

Detector circuit to be used for measuring current

#391
20070126543
2007-06-07

Integrated inductor

#392
20070125335
2007-06-07

Ignition apparatus having conductive plastic ignition terminal and field smoother

#393
20070120639
2007-05-31

Component arrangement with a planar transformer

#394
20070120605
2007-05-31

Integrated switchless programmable attenuator and low noise amplifier

#395
20070115087
2007-05-24

Inductor and fabricating method thereof

#396
20070115085
2007-05-24

Direct current link inductor for power source filtration

#397
20070090914
2007-04-26

Design and fabrication of inductors on a semiconductor substrate

#398
20070090913
2007-04-26

Multi-loop type transformer

#399
20070090909
2007-04-26

Inductive devices and transformers utilizing the tru-scale reactance transformation system for improved power systems

#400
20070080771
2007-04-12

Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components

#401
20070077908
2007-04-05

Fully integrated tuner architecture

#402
20070063804
2007-03-22

CHIP INDUCTOR

#403
20070040644
2007-02-22

Power factor correction rectifier having independent inductive components

#404
20070013433
2007-01-18

Temperature compensation for internal inductor resistance

#405
20070008055
2007-01-11

Superconductor magnet coil configuration

#406
20070007623
2007-01-11

Method to fabricate horizontal air columns underneath metal inductor

#407
20060290459
2006-12-28

Optimal packaging geometries of single and multi-layer windings

#408
20060279395
2006-12-14

Inductor and magnetic body thereof

#409
20060268471
2006-11-30

Resistive superconducting fault current limiter

#410
20060255899
2006-11-16

Choke coils

#411
20060192645
2006-08-31

Shredded parallel stacked inductor

#412
20060186982
2006-08-24

Energy storage coil

#413
20060186981
2006-08-24

Electromagnetic device having independent inductive components

#414
20060176134
2006-08-10

Ignition coil

#415
20060158302
2006-07-20

Inductor and method of forming the same

#416
20060158300
2006-07-20

High Q planar inductors and IPD applications

#417
20060158299
2006-07-20

Method for providing a power inductor

#418
20060158298
2006-07-20

Power inductor with reduced DC current saturation

#419
20060158297
2006-07-20

Method of fabricating a conducting crossover structure for a power inductor

#420
20060152315
2006-07-13

Superconductor magnet coil configuration

#421
20060114093
2006-06-01

Method of making a power inductor with reduced DC current saturation

#422
20060114091
2006-06-01

Power inductor with reduced DC current saturation

#423
20060092673
2006-05-04

Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components

#424
20060082430
2006-04-20

Power inductor with reduced DC current saturation

#425
20060060937
2006-03-23

Embedded passive component

#426
20060055494
2006-03-16

Superconductor magnet coil configuration

#427
20060049481
2006-03-09

Planar inductive component and an integrated circuit comprising a planar inductive component

#428
20060038649
2006-02-23

Winding structure for efficient switch-mode power converters

#429
20060038635
2006-02-23

Integrated passive filter incorporating inductors and ESD protectors

#430
20060034101
2006-02-16

Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components

#431
20060028313
2006-02-09

Component arrangement with a planar transformer

#432
20060006971
2006-01-12

Laminated coil array

#433
20060001520
2006-01-05

Thin film coil, method of manufacturing the same, coil structure, and method of manufacturing the same

#434
20050280491
2005-12-22

Transformer

#435
20050270132
2005-12-08

Modified transformer structure

#436
20050248324
2005-11-10

Power supply for measuring the line impedance of underground cable

#437
20050242916
2005-11-03

Low noise planar transformer

#438
20050225193
2005-10-13

Mike 4001 design of the stator of electrical motor and generator

#439
20050212644
2005-09-29

Air-core coil and process for fabricating the same

#440
20050206488
2005-09-22

Electrical machine

#441
20050184848
2005-08-25

Coil component and method of manufacturing the same

#442
20050153677
2005-07-14

System and method for on-chip filter tuning

#443
20050151612
2005-07-14

Symmetrical inductor

#444
20050146902
2005-07-07

Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components

#445
20050140486
2005-06-30

Multi-layer chip inductive element

#446
20050127773
2005-06-16

Rotating asynchronous converter and a generator device

#447
20050107055
2005-05-19

Integrated switchless programmable attenuator and low noise amplifier

#448
20050077992
2005-04-14

Symmetric planar inductor

#449
20050073025
2005-04-07

Spiral inductor and transformer

#450
20050068150
2005-03-31

Inductive components and electronic devices using the same

#451
20050012586
2005-01-20

Power inductor with reduced DC current saturation

#452
20050012583
2005-01-20

Power inductor with reduced DC current saturation

#453
20050012582
2005-01-20

Power inductor with reduced DC current saturation

#454
20050012566
2005-01-20

High frequency laminated component and its manufacturing method

#455
16217833
2019-12-17

Continuously transposed conductors and assemblies