ClassID:

201426

H01F3/14 - page 3 - CPC Classification

Classification description:

Cores, Yokes, or armatures; Composite arrangements of magnetic circuits Constrictions; Gaps, e.g. air-gaps

Recent Application in this class:
#601
20060238288
2006-10-26

Magnetic core for electromagnetic apparatus and electromagnetic apparatus provided with magnetic core for electromagnetic apparatus

#602
20060227482
2006-10-12

Transformer and discharge lamp lighting device

#603
20060202790
2006-09-14

Toroidal inductive devices and methods of making the same

#604
20060192646
2006-08-31

Gapped core structure for magnetic components

#605
20060175911
2006-08-10

Solenoid apparatus and injection valve using the same

#606
20060170525
2006-08-03

Magnetic element and method of manufacturing magnetic element

#607
20060170524
2006-08-03

Magnetic core for high frequency and inductive component using same

#608
20060158299
2006-07-20

Method for providing a power inductor

#609
20060158298
2006-07-20

Power inductor with reduced DC current saturation

#610
20060158297
2006-07-20

Method of fabricating a conducting crossover structure for a power inductor

#611
20060145802
2006-07-06

Transformer for resonant inverter

#612
20060114697
2006-06-01

Switching power supply circuit

#613
20060114093
2006-06-01

Method of making a power inductor with reduced DC current saturation

#614
20060114091
2006-06-01

Power inductor with reduced DC current saturation

#615
20060103496
2006-05-18

Electric component having a variable air gap effect

#616
20060097837
2006-05-11

Coil component

#617
20060091989
2006-05-04

Forming distributed gap magnetic cores

#618
20060087304
2006-04-27

Buck converter with high efficiency gate driver providing extremely short dead time

#619
20060082430
2006-04-20

Power inductor with reduced DC current saturation

#620
20060066433
2006-03-30

Bulk amorphous metal inductive device

#621
20060061447
2006-03-23

Transformer with variable reluctance

#622
20060037461
2006-02-23

Switching power circuit

#623
20060017535
2006-01-26

Linear solenoid designed to ensure required amount of magnetic attraction and solenoid valve using same

#624
20060012456
2006-01-19

Anti-interference transformer

#625
20060006977
2006-01-12

Toroidal inductive devices and methods of making the same

#626
20060006970
2006-01-12

Inductance device

#627
20060000525
2006-01-05

Fe-based amorphous alloy ribbon and magnetic core formed thereby

#628
20050286270
2005-12-29

Full wave series resonant type DC to DC power converter with integrated magnetics

#629
20050258927
2005-11-24

Simplified harmonic-free constant-voltage transformer

#630
20050254989
2005-11-17

High-frequency core and inductance component using the same

#631
20050253678
2005-11-17

Composite core nonlinear reactor and induction power receiving circuit

#632
20050243582
2005-11-03

DC transformer with an output inductance integrated on a magnetic core thereof and a DC/DC converter employing the same

#633
20050219030
2005-10-06

Leakage transformer

#634
20050218742
2005-10-06

Inductance device

#635
20050218134
2005-10-06

Output choke for D.C. welder and method of using same

#636
20050206487
2005-09-22

Inductive component and use of said component

#637
20050151614
2005-07-14

Precision inductive devices and methods

#638
20050127773
2005-06-16

Rotating asynchronous converter and a generator device

#639
20050116804
2005-06-02

Magnetically biasing bond magnet for improving DC superposition characteristics of magnetic coil

#640
20050110604
2005-05-26

Ignition coil having magnetic flux reducing inner structure

#641
20050104703
2005-05-19

Transformer core, transformer, and method of production thereof

#642
20050093664
2005-05-05

Electromagnetic actuator having a high initial force and improved latching

#643
20050088267
2005-04-28

Controlled inductance device and method

#644
20050057103
2005-03-17

Electromagnetic device

#645
20050042563
2005-02-24

Electronic ignition circuit for oil burners

#646
20050012586
2005-01-20

Power inductor with reduced DC current saturation

#647
20050012583
2005-01-20

Power inductor with reduced DC current saturation

#648
20050012582
2005-01-20

Power inductor with reduced DC current saturation

#649
20050007230
2005-01-13

Leakage transformer

#650
20050001707
2005-01-06

Gapped core structure for magnetic components

#651
16987309
2021-01-12

Stationary device for contactless electrical energy transmission

#652
15867055
2019-02-19

Integrated transformer

#653
15247203
2017-12-05

Output transformer and resonant inductor in a combined magnetic structure

#654
13909197
2015-07-07

Wearable medical device