ClassID:

201702

H01F27/324 - page 3 - CPC Classification

Classification description:

Details of transformers or inductances, in general; Coils; Windings; Conductive connections; Insulating of coils, windings, or parts thereof Insulation between coil and core, between different winding sections, around the coil; Other insulation structures

Recent Application in this class:
#601
20100165671
2010-07-01

Switched-mode Power Supplies

#602
20100156586
2010-06-24

Current-compensated choke and method for producing a current-compensated choke

#603
20100132677
2010-06-03

Ignition apparatus with cylindrical core and laminated return path

#604
20100129238
2010-05-27

INVERTER-INTEGRATED ELECTRIC COMPRESSOR AND COIL COMPONENT FOR INVERTER THEREOF

#605
20100109830
2010-05-06

TRANSFORMER

#606
20100101936
2010-04-29

Power supply apparatus for a capacitive load

#607
20100085775
2010-04-08

High voltage step-up dry power transformer and power supply unit comprising at least one such transformer

#608
20100079233
2010-04-01

Planar transformer

#609
20100079231
2010-04-01

Transformer with leakage inductance

#610
20100079229
2010-04-01

Planar transformer and method of manufacturing

#611
20100033284
2010-02-11

RESONANCE TRANSFORMER AND POWER SUPPLY UNIT EMPLOYING IT

#612
20100019876
2010-01-28

Transient voltage and harmonic currents quashing (THQ) transformers, transformer winding topology, and method of making the same

#613
20100019875
2010-01-28

HIGH VOLTAGE TRANSFORMER EMPLOYED IN AN INVERTER

#614
20090313812
2009-12-24

Method for making electrical windings for electrical apparatus and transformers and winding obtained by said method

#615
20090273427
2009-11-05

COMPACT SIZED CHOKE COIL AND FABRICATION METHOD OF SAME

#616
20090243782
2009-10-01

High voltage hold-off coil transducer

#617
20090230810
2009-09-17

Cassette coil and rotating electrical machine having the cassette coil

#618
20090205863
2009-08-20

Electrical shielding arrangement

#619
20090174518
2009-07-09

Toroidal star-shaped transformer

#620
20090158800
2009-06-25

Coil forming method, coil forming die assembly and coil manufactured thereby

#621
20090153285
2009-06-18

Method and apparatus for transferring energy in a power converter circuit

#622
20090130871
2009-05-21

Connecting element for an electrical shielding arrangement

#623
20090128274
2009-05-21

Inductor using bulk metallic glass material

#624
20090128273
2009-05-21

Inductor winder

#625
20090127857
2009-05-21

Electrical inductor assembly

#626
20090117325
2009-05-07

Methods of forming magnetic vias to maximize inductance in integrated circuits and structures formed thereby

#627
20090051478
2009-02-26

FILTER AND MANUFACTURING METHOD THEREOF

#628
20090043033
2009-02-12

Reinforced polyester compositions for high dielectric performance

#629
20090039998
2009-02-12

Transformer structure

#630
20090009276
2009-01-08

TRANSFORMER MOUNTED ON CIRCUIT BOARD WITH MAIN BODY SURROUNDED BY INSULATING COVER

#631
20080308662
2008-12-18

Transformer and coil winding method thereof

#632
20080290980
2008-11-27

Control of eddy currents in magnetic vias for inductors and transformers in integrated circuits

#633
20080284550
2008-11-20

Variable Inductor

#634
20080252408
2008-10-16

Coil form for forming an inductive element

#635
20080238602
2008-10-02

COMPONENTS WITH ON-DIE MAGNETIC CORES

#636
20080218146
2008-09-11

Method and apparatus for transferring energy in a power converter circuit

#637
20080211617
2008-09-04

Electrical induction device for high-voltage applications

#638
20080169894
2008-07-17

Sensor coil and method of manufacturing same

#639
20080164968
2008-07-10

Insulation alement and toroidal core throttle

#640
20080088402
2008-04-17

End cap for an inductive component and inductive component

#641
20080088401
2008-04-17

Transformer

#642
20080079524
2008-04-03

Planar transformer and switching power supply

#643
20080079521
2008-04-03

Electromagnetic Actuator Comprising An Electromagnet With A Coil Secured To A Permanent Magnet, And A Method Of Assembling Such An Actuator

#644
20080061919
2008-03-13

Insulators for transformers

#645
20080055034
2008-03-06

Inductor using drum core and method for producing the same

#646
20080022984
2008-01-31

Ignition coil

#647
20080001701
2008-01-03

Control of eddy currents in magnetic vias for inductors and transformers in integrated circuits

#648
20070290784
2007-12-20

Planar High Voltage Transformer Device

#649
20070241855
2007-10-18

Device for electrical isolation, toroidal core choke, and method for producing the toroidal core choke

#650
20070216512
2007-09-20

Inductor

#651
20070152793
2007-07-05

Chip-type inductor

#652
20070057755
2007-03-15

Solid electrolytic capacitor and manufacturing method thereof

#653
20070046411
2007-03-01

Transformer having reduced size, safety insulation and low leakage inductance

#654
20070040643
2007-02-22

Inductive device and method for manufacturing same

#655
20070040641
2007-02-22

Ignition coil and manufacturing method and apparatus thereof

#656
20070024406
2007-02-01

Isolated dual-channel transformer

#657
20060290227
2006-12-28

Circular coil accessory coiling stand

#658
20060194051
2006-08-31

Multilayer insulated wire and transformer made using the same

#659
20060192649
2006-08-31

Toroidal core and method for producing the same

#660
20060192648
2006-08-31

Transformer and power supply apparatus

#661
20060158294
2006-07-20

Common mode choke including conductors within dielectric layer and associated methods

#662
20060145801
2006-07-06

Inductive electro-communication component core from ferro-magnetic wire

#663
20060132272
2006-06-22

Transformer

#664
20060066430
2006-03-30

Transformer

#665
20060028782
2006-02-09

Method and apparatus for transferring energy in a power converter circuit

#666
20060023834
2006-02-02

High voltage transformer for backlight power source

#667
20050206488
2005-09-22

Electrical machine

#668
20050174206
2005-08-11

Stick-type ignition coil and terminal assembly therefor

#669
20050168312
2005-08-04

Transformer

#670
20050146831
2005-07-07

Method and apparatus for transferring energy in a power converter circuit

#671
20050134416
2005-06-23

Ignition coil

#672
20050122196
2005-06-09

Small-diameter ignition coil

#673
20050116801
2005-06-02

Sensor coil and method of manufacturing same

#674
20050083160
2005-04-21

Insulation system for oil filled environments

#675
20050035839
2005-02-17

Pencil ignition coil

#676
20050007090
2005-01-13

Method and apparatus for transferring energy in a power converter circuit

#677
16751830
2023-03-07

Geometrically configurable planar wafers

#678
16444880
2023-02-28

Transformer having passive cooling topology

#679
16293231
2020-08-11

Low common mode noise transformers and switch-mode DC-DC power converters