H01F38/34 - CPC Classification Index

ClassID:

201780 ⎘

H01F38/34 - CPC Classification

Classification description:

Adaptations of transformers or inductances for specific applications or functions; Instruments transformers for single phase ac Combined voltage and current transformers

Sub-classes:

H01F38/36 » Constructions 8

Recent Application in this class:

20180224486

2018-08-09

VA metering in delta-wired electrical service

20170199533

2017-07-13

Energy harvesting device

20140232509

2014-08-21

Electrostatic shield for a transformer

20140022085

2014-01-23

Method and apparatus of sensing and indicating an open current transformer secondary

20120056702

2012-03-08

VOLTAGE/CURRENT TRANSFORMER AND ITS MANUFACTURING PROCEDURE

20120001645

2012-01-05

COMBINED ELECTRICAL VARIABLE DETECTION DEVICE

20110279207

2011-11-17

Line-powered instrument transformer