ClassID:

201772

H01F38/20 - CPC Classification

Classification description:

Adaptations of transformers or inductances for specific applications or functions Instruments transformers

Sub-classes:
Recent Application in this class:
#1
20260038734
2026-02-05

POWER ADAPTER

#2
20250292957
2025-09-18

TRANSFORMER

#3
20230238165
2023-07-27

Automatic calibration system and method for passive low-power voltage transformer

#4
20220384094
2022-12-01

Dry High Voltage Instrument Transformer

#5
20220262590
2022-08-18

Circuit breakers with shaped neutral busbars and/or load terminals and related methods

#6
20220192726
2022-06-23

ELECTROSURGICAL GENERATOR

#7
20200176182
2020-06-04

Fabrication process to produce a toroidal current transformer

#8
20200176169
2020-06-04

Two part clamping and suspension mechanism for a split toroidal current transformer

#9
20200072872
2020-03-05

CURRENT SENSING MODULE FOR CURRENT SENSOR AND METHOD FOR MANUFACTURING CURRENT SENSING MODULE

#10
20190339140
2019-11-07

Non-contact magnetostrictive sensors and methods of operation of such sensors

#11
20190079035
2019-03-14

Method for manufacturing an inductive conductivity sensor and inductive conductivity sensor

#12
20180328974
2018-11-15

Alternating Current Transducer

#13
20180301308
2018-10-18

Circuit breakers with shaped neutral busbars and/or load terminals and related methods

#14
20180174724
2018-06-21

Current sensing circuit and current sensing assembly including the same

#15
20180052065
2018-02-22

Non-contact magnetostrictive sensors and methods of operation of such sensors

#16
20170323712
2017-11-09

Fe-based soft magnetic alloy ribbon and magnetic core comprising same

#17
20170309431
2017-10-26

Circuit breakers with shaped neutral busbars and/or load terminals and related methods

#18
20170309398
2017-10-26

COMBINED ELECTRIC APPLIANCE WITH MULTI-CAPACITIVE SCREEN INSULATION CORE

#19
20170309391
2017-10-26

Integrated magnetic and composite substrate with incorporated components

#20
20170229236
2017-08-10

Current transformer

#21
20170201180
2017-07-13

Power converter measuring the average rectified primary current

#22
20170176496
2017-06-22

SPACE TRANSFORMER INCLUDING A PERFORATED MOLD PREFORM FOR ELECTRICAL DIE TEST

#23
20170148555
2017-05-25

MAGNETIZING DEVICE

#24
20170146589
2017-05-25

ARC DETECTION APPARATUS

#25
20160372278
2016-12-22

Capacitive coupling-type arc extinguishing circuit and apparatus having same

#26
20160241004
2016-08-18

Gas-insulated medium or high-voltage electrical apparatus including carbon dioxide, oxygen, and heptafluoro-isobutyronitrile

#27
20160217898
2016-07-28

Current transformer support device and switchgear using current transformer support device

#28
20160148761
2016-05-26

Terminal shield with integrated current transformer

#29
20160061759
2016-03-03

Method for manufacturing an inductive conductivity sensor and inductive conductivity sensor

#30
20160005534
2016-01-07

Current transformer system with sensor CT and generator CT separately arranged in parallel in electric power line, and integrated system for controlling same in wireless communications network

#31
20150372468
2015-12-24

Compact transformer bushing

#32
20150185254
2015-07-02

MANUFACTURING METHOD OF PROBING DEVICE

#33
20140232509
2014-08-21

Electrostatic shield for a transformer

#34
20140226387
2014-08-14

TRANSMISSION OF ELECTRIC POWER

#35
20130294112
2013-11-07

Regulating controller for controlled self-oscillating converters using bipolar junction transistors

#36
20130069686
2013-03-21

Probing device and manufacturing method thereof

#37
20130069619
2013-03-21

INPUT DETECTION DEVICE

#38
20120098519
2012-04-26

Sensor assembly, trip unit including the same, and method of manufacturing a sensor assembly

#39
20100039738
2010-02-18

Inductive coupler for power line communications, having a member that provides an intended path for a flashover to discharge to ground

#40
20080001694
2008-01-03

Organic Combined Insulated Dry Electronic Transformer for Outputting the Optical Signals

#41
20050162252
2005-07-28

Plug-in unit assembly comprising instrument transformers

#42
20050005673
2005-01-13

Ferrite system

#43
16003360
2019-05-21

Dynamic impedance system for an increased range of operation of an instrument transformer

#44
15010625
2019-10-01

Power switching device with integrated current sensing transformer