Patents-Review.com
ClassID:

200715 ⎘

H01B3/52 - CPC Classification

Classification description:

Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials wood; paper; press board

Recent Application in this class:
#1
20250259764
2025-08-14

ELECTRICAL INSULATION PAPER

 #2
20230121933
2023-04-20

MFC in pressboards for HV devices

 #3
20220316141
2022-10-06

Aramid-mica composite insulating nanopaper and preparation method thereof

 #4
20220186440
2022-06-16

Polyimide fiber paper using thermoplastic polymer

 #5
20220172864
2022-06-02

Joining structure of different kinds of conductors, joining method of different kinds of conductors, and joint of power cables

 #6
20220136173
2022-05-05

Poly alpha-1,3-glucan fibrids and uses thereof and processes to make poly alpha-1,3-glucan fibrids

 #7
20220025581
2022-01-27

THERMAL INSULATING PAPER AND METHOD FOR PRODUCING A THERMAL INSULATING PAPER

 #8
20210301472
2021-09-30

DIAMOND ENRICHED INSULATION PAPER FOR THE COOLING IMPROVEMENT OF AN ELECTRICAL MACHINE

 #9
20210115246
2021-04-22

Curable Mixtures for Use in Impregnation of Paper Bushings

 #10
20210024684
2021-01-28

Compositions for use in impregnation of paper bushings

 #11
20200208351
2020-07-02

WET NONWOVEN FABRIC CONTAINING META-ARAMID AND POLYPHENYLENE SULFIDE AND LAMINATED SHEET OF THE SAME

 #12
20190198192
2019-06-27

Insulation element with artificial fibres for electrical insulation in the high voltage range

 #13
20180375223
2018-12-27

Method of manufacturing HVDC mass impregnated cable transition joint

 #14
20180205300
2018-07-19

SLOT INSULATING PAPER AND STATOR OF ROTARY ELECTRIC MACHINE

 #15
20180142415
2018-05-24

Aramid paper, manufacturing method therefor, and use thereof

 #16
20180119357
2018-05-03

Poly alpha-1,3-glucan fibrids and uses thereof and processes to make poly alpha-1,3-glucan fibrids

 #17
20180061523
2018-03-01

THERMALLY CONDUCTIVE ELECTRICAL INSULATION MATERIAL

 #18
20170321378
2017-11-09

Pressboard

 #19
20170222422
2017-08-03

Power cable having end connecting portion

 #20
20170030020
2017-02-02

ELECTRICAL INSULATION PAPER, METHODS OF MANUFACTURE, AND ARTICLES MANUFACTURED THEREFROM

 #21
20160374237
2016-12-22

Corona shielding system, in particular outer corona shielding system for an electrical machine

 #22
20160374236
2016-12-22

Conductive corona shielding paper, in particular for outer corona shielding

 #23
20160197325
2016-07-07

Separator paper for electrochemical cells

 #24
20160153145
2016-06-02

ELECTRICAL INSULATION PAPER, METHODS OF MANUFACTURE, AND ARTICLES MANUFACTURED THEREFROM

 #25
20160049218
2016-02-18

MIXED SOLID INSULATION MATERIAL FOR A TRANSMISSION SYSTEM

 #26
20150376837
2015-12-31

Colored aramid paper and process for producing same

 #27
20150371730
2015-12-24

Electrical insulating paper and stationary induction electrical apparatus using the same

 #28
20150318078
2015-11-05

Electrical insulating paper

 #29
20150311761
2015-10-29

Slot insulating paper

 #30
20150118464
2015-04-30

Electrical insulation material

 #31
20150083353
2015-03-26

Electrical Insulating Paper

 #32
20140327504
2014-11-06

Cellulose based electrically insulating material

 #33
20140290978
2014-10-02

INSULATION STRUCTURE OF LEAD WIRE, TRANSFORMER HAVING THE SAME, AND METHOD FOR INSULATING LEAD WIRE

 #34
20140138008
2014-05-22

METHOD FOR PRODUCING A TAPE FOR AN ELECTRICAL INSULATION SYSTEM

 #35
20130277089
2013-10-24

ELECTRICAL INSULATING PAPER

 #36
20130260124
2013-10-03

ELECTRICAL INSULATION PAPER, METHODS OF MANUFACTURE, AND ARTICLES MANUFACTURED THEREFROM

 #37
20130260123
2013-10-03

ELECTRICAL INSULATION PAPER, METHODS OF MANUFACTURE, AND ARTICLES MANUFACTURED THEREFROM

 #38
20130240249
2013-09-19

High-voltage bushing with conductive inserts for DC voltage and method for producing the bushing

 #39
20120285725
2012-11-15

High voltage direct current cable having an impregnated stratified insulation

 #40
20120156956
2012-06-21

Electrical insulation material

 #41
20110030987
2011-02-10

Electric insulation material, an electric device comprising the insulation material and a transformer

 #42
20100276628
2010-11-04

Insulation paper with high thermal conductivity materials

 #43
20090071689
2009-03-19

Electrically conductive wire and method for its production

 #44
20060003659
2006-01-05

Aramid paper laminate

 #45
20050274774
2005-12-15

Insulation paper with high thermal conductivity materials