ClassID:

201722

H01F27/402 - page 2 - CPC Classification

Classification description:

Details of transformers or inductances, in general; Structural association with built-in electric component, e.g. fuse Association of measuring or protective means

Recent Application in this class:
#301
20100148908
2010-06-17

TRANSFORMER

#302
20100142108
2010-06-10

Network unit including network transformer and network protector

#303
20100109883
2010-05-06

Temperature monitoring system for power transformers submerged in oil

#304
20100109634
2010-05-06

DESCRIPTION ELECTRO-AGEEB ELECTRICAL SAFETY DEVICE

#305
20100046130
2010-02-25

Circuit protection device and method of manufacturing the same

#306
20100043544
2010-02-25

DEVICE AND METHOD FOR MONITORING A GAS VOLUME IN A UNIT FILLED WITH LIQUID

#307
20100026312
2010-02-04

System and method for power system component testing

#308
20100019876
2010-01-28

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

#309
20100013582
2010-01-21

Electronically actuated apparatus using solenoid actuator with integrated sensor

#310
20090323245
2009-12-31

Device for Reduction of Voltage Derivative

#311
20090315661
2009-12-24

Integrated magnetic device

#312
20090278651
2009-11-12

Coil unit and electronic apparatus using the same

#313
20090277517
2009-11-12

Passive overpressure and underpressure protection for a cryogen vessel

#314
20090264243
2009-10-22

Annular actuator having plunger configured to translate through a viscous liquid

#315
20090261931
2009-10-22

Annular solenoid with axially overlapping electromagnet and armature

#316
20090195085
2009-08-06

ALTERNATING CURRENT POWER SOURCE

#317
20090180514
2009-07-16

TRANSFORMER AND A METHOD OF MONITORING AN OPERATION PROPERTY OF THE TRANSFORMER

#318
20090174516
2009-07-09

System for isolating a medium voltage

#319
20090157145
2009-06-18

Transfer Coil Architecture

#320
20090156346
2009-06-18

Electronically actuated apparatus using solenoid actuator with integrated sensor

#321
20090128279
2009-05-21

Integrated circuit device

#322
20090115559
2009-05-07

Inductive component

#323
20090050432
2009-02-26

Field coil assembly for electromagnetic clutch

#324
20090043538
2009-02-12

Method and system for transformer dissolved gas harmonic regression analysis

#325
20090039868
2009-02-12

Current sensor with a magnetic structure for measuring an electrical current on an electrical conductor

#326
20090021337
2009-01-22

MULTILAYER COMPOSITE ELECTRONIC COMPONENT

#327
20090021212
2009-01-22

Coil unit and electronic instrument

#328
20090011889
2009-01-08

Locking differential assembly

#329
20080303619
2008-12-11

Protection of permanent magnets in a DC-inductor

#330
20080295904
2008-12-04

Oil filtration system for plural phase power equipment tanks

#331
20080197977
2008-08-21

Stationary induction apparatus and monitoring device thereof

#332
20080197961
2008-08-21

Method and apparatus for directly mounting fuses to transformer terminals

#333
20080174320
2008-07-24

PARTIAL DISCHARGE SENSOR AND PARTIAL DISCHARGE MONITORING SYSTEM UTILIZING CURRENT SENSORS

#334
20080137241
2008-06-12

Anti-surge power adapter

#335
20080127714
2008-06-05

Quantitative measurement of production and consumption of gases in power transformers

#336
20080100972
2008-05-01

Device for preventing the explosion of an element of an electrical transformer

#337
20080048760
2008-02-28

Monolithically integratable LC circuit arrangement

#338
20080045371
2008-02-21

Axle assembly with electronic locking differential

#339
20080042791
2008-02-21

Electronically actuated apparatus using solenoid actuator with integrated sensor

#340
20070295692
2007-12-27

Fault tolerant high voltage switching elements and electrical components

#341
20070279175
2007-12-06

Current sensor

#342
20070159743
2007-07-12

Electrical equipment for distribution network

#343
20070119230
2007-05-31

Device and method for monitoring a gas volume in a unit filled with liquid

#344
20070017770
2007-01-25

Electric power connection part of electromagnetic clutch field coil assembly

#345
20070001793
2007-01-04

Electric transformer explosion prevention device

#346
20060261921
2006-11-23

Multilayer coil assembly and method of production

#347
20060255793
2006-11-16

Current sensor for measuring an electrical current in a circuit having a plurality of electrical conductors

#348
20060250683
2006-11-09

Transformer temperature monitoring and control

#349
20060197511
2006-09-07

Transformer with protection against direct current magnetization caused by zero sequence current

#350
20050270132
2005-12-08

Modified transformer structure

#351
20050247706
2005-11-10

Microwave oven

#352
20050190519
2005-09-01

Vehicle electrical protection device and system employing same

#353
20050109076
2005-05-26

Oil filtration system for plural phase power equipment tanks

#354
20050088266
2005-04-28

Zero backflow vent for liquid helium cooled magnets

#355
20050083629
2005-04-21

Method and apparatus for protecting a solenoid and its driving circuit in an electronic device

#356
20050073779
2005-04-07

Wildlife guard for arrester brackets

#357
20050030687
2005-02-10

ARC discharge protection apparatus

#358
20050024218
2005-02-03

Fault monitoring apparatus and method

#359
18924474
2025-12-02

Integral transformer junction module

#360
18677446
2025-12-02

Leak detection in transformers

#361
18384731
2024-04-09

Method for generating object detector based on deep learning capable of detecting extended object class and detector generation device using the same

#362
16392628
2020-02-04

Anti-surge winding fusible resistor fuse

#363
15861604
2018-11-06

Reducing electromagnetic interference in switching regulators

#364
14745187
2019-02-19

Auto-facing unit with sensors