Patents-Review.com
ClassID:

201711 ⎘

H01F27/343 - 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 Preventing or reducing surge voltages; oscillations

Sub-classes:
Recent Application in this class:
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Arrangement for overvoltage protection of subsea electrical apparatus

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Electric appliances with inductive capacitive reactor

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20190027299
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Reactor having terminal block

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20190013146
2019-01-10

Surge voltage reduction member

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20180204670
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Stationary induction apparatus

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20170169938
2017-06-15

Stationary induction apparatus

 #13
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Docking module for a current transformer for preventing overvoltages and a current transformer having a docking module

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20160247628
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Subsea transformer with seawater high resistance ground

 #15
20160247622
2016-08-25

Fault tolerant subsea transformer

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20160189858
2016-06-30

Transformer arrangement for mitigating transient voltage oscillations

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20160149396
2016-05-26

System for protection of dry type transformers

 #18
20160104569
2016-04-14

Laminated common-mode choke coil

 #19
20160028225
2016-01-28

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20150255208
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CHIP ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREOF

 #21
20150002257
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 #22
20140368307
2014-12-18

Common mode choke coil

 #23
20140334043
2014-11-13

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 #24
20140268944
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Surge blocking inductor

 #25
20140266506
2014-09-18

Transformer filter arrangement

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20140153147
2014-06-05

Method for manufacturing magnetic substrate and common mode filter

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20130342942
2013-12-26

AC power conditioning circuit

 #28
20130293338
2013-11-07

CIRCUIT PROTECTION DEVICE

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20130229733
2013-09-05

Lightening Protection Apparatus Using TN-C Common Ground

 #30
20130057378
2013-03-07

Method for manufacturing magnetic substrate and common mode filter

 #31
20130021114
2013-01-24

DEVICE FOR IMPROVING POWER QUALITY

 #32
20110095858
2011-04-28

CONVERTER ARRANGEMENT

 #33
20110043320
2011-02-24

Electrostatic shield for an HVDC transmission component

 #34
20100178550
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Power supply with magistor switching

 #35
20100165530
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Reformed inductor, a surge protection device and a surge protector

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20100061028
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 #37
20100019876
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DC/DC converter

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20080239759
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DC/DC converter

 #40
20070024264
2007-02-01

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 #41
19350061
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Alternating current quantum magnetic transformer and related energy saving device and methods