ClassID:

217176

H02K3/22 - CPC Classification

Classification description:

Details of windings; Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of hollow conductors

Recent Application in this class:
#1
20260058512
2026-02-26

Electric Motor

#2
20250392184
2025-12-25

CONNECTION DEVICE FOR ELECTRICALLY AND HYDRAULICALLY CONNECTING HOLLOW CONDUCTORS OF AN INTERNALLY COOLED ELECTRICAL MACHINE

#3
20250373103
2025-12-04

ELECTRICAL ENERGY-MECHANICAL ENERGY CONVERTER AND ELECTRICAL ENERGY-MECHANICAL ENERGY CONVERTER SYSTEM

#4
20250279686
2025-09-04

CONDUCTOR FOR AN ELECTRIC MACHINE

#5
20250211051
2025-06-26

CONNECTION PLATE FOR THE ELECTRICAL AND HYDRAULIC CONNECTION OF THE HOLLOW CONDUCTORS OF AN INTERNALLY COOLED ELECTRICAL MACHINE AND ELECTRICAL MACHINE WITH SUCH A CONNECTION PLATE

#6
20250202297
2025-06-19

MOTOR AND A MOBILITY VEHICLE INCLUDING THE SAME

#7
20240364165
2024-10-31

STATOR HAVING A HAIRPIN WINDING ARRANGEMENT

#8
20240266890
2024-08-08

Core, stator, and rotating electric device

#9
20240235304
2024-07-11

HOLLOW COPPER ELECTRICAL CONDUCTORS

#10
20240171056
2024-05-23

ELECTRIC CIRCULATORY LEVERAGE DRIVE METHOD AND APPARATUS

#11
20230369930
2023-11-16

ELECTRICAL CONDUCTOR COOLED BY PHASE CHANGE MATERIAL AND METHOD FOR THE MANUFACTURE THEREOF

#12
20230261546
2023-08-17

WAVE ENERGY HARVESTER

#13
20230187990
2023-06-15

Electric machine

#14
20230142019
2023-05-11

Aircraft electric motor

#15
20230072181
2023-03-09

Stator for an electric motor

#16
20230058179
2023-02-23

COIL AND METHOD FOR MANUFACTURING SAME

#17
20230018436
2023-01-19

HOMOPOLAR LINEAR SYNCHRONOUS MACHINE

#18
20220416636
2022-12-29

Homopolar linear synchronous machine

#19
20220247247
2022-08-04

System and method for repairing a generator main lead

#20
20220077738
2022-03-10

ROTATING ELECTRICAL MACHINE

#21
20220069655
2022-03-03

Electric machine

#22
20220021261
2022-01-20

Electric machine having multiple rigid winding pieces in the form of hollow conductors and hydraulic connection part and seal with opposing surfaces

#23
20220021260
2022-01-20

Electric machine having several rigid winding pieces formed as hollow conductors-hydraulic connection concept II

#24
20220014050
2022-01-13

Core, stator, and rotating electric device

#25
20210408886
2021-12-30

Homopolar linear synchronous machine

#26
20210399618
2021-12-23

Thermomagnetic apparatus for electric power generation and method thereof

#27
20210351652
2021-11-11

Flat-type stator with multilayer coils for disc-type motor

#28
20210336511
2021-10-28

Homopolar linear synchronous machine

#29
20210328472
2021-10-21

Stator having winding cooling for an electrical machine

#30
20210265888
2021-08-26

Coated article for an electro-mechanical device

#31
20210203209
2021-07-01

Wave energy harvester

#32
20210091619
2021-03-25

Winding piece and electric machine having such a winding piece

#33
20210036567
2021-02-04

Electrical motor

#34
20210013757
2021-01-14

Stator of an electric machine and an electric machine

#35
20200365319
2020-11-19

Method for producing a component having a cavity

#36
20200304012
2020-09-24

ELECTRIC CIRCULATORY LEVERAGE DRIVE METHOD AND APPARATUS

#37
20200153306
2020-05-14

Stator for an electric motor

#38
20200127519
2020-04-23

METHODS FOR FORMING INSULATED CONDUCTORS, ARTICLES AND SYSTEMS THEREOF

#39
20200091807
2020-03-19

Homopolar linear synchronous machine utilizing a cold plate

#40
20200088819
2020-03-19

Homopolar linear synchronous machine

#41
20200076262
2020-03-05

Electric machine with phase change material for a turbomachine starter/generator

#42
20200044504
2020-02-06

Component of an electric machine

#43
20190165652
2019-05-30

Fluid cooled and fluid insulated electric machine

#44
20190148037
2019-05-16

Winding wire articles having internal cavities

#45
20190081541
2019-03-14

Hollow single-phase induction motor

#46
20190020250
2019-01-17

Assembly and method for connecting ends of generator stator coils with manifold

#47
20180375398
2018-12-27

Insulator and motor include same

#48
20180342919
2018-11-29

Conductor and method of forming thereof

#49
20180306357
2018-10-25

Connecting piece

#50
20180301244
2018-10-18

Manufacturing method for a conductor disposed within an insulator

#51
20170214284
2017-07-27

Connection device and electric machine

#52
20170126084
2017-05-04

Electrical hollow conductor for an electromagnetic machine

#53
20170047805
2017-02-16

STATOR MODULE AND MAGNETIC FIELD GENERATING STRUCTURE THEREOF

#54
20170033629
2017-02-02

C-SHAPED OR U-SHAPED HALF-COIL, ROTOR WINDING WITH SUCH A HALF-COIL AND ITS MANUFACTUING METHOD

#55
20160365758
2016-12-15

Rotating electric machine having air core coil with curved end surfaces

#56
20160359396
2016-12-08

In-situ method for sealing fluid cooled conduits for a generator

#57
20160028284
2016-01-28

ELECTRIC MACHINE

#58
20150340918
2015-11-26

Chamber for conductors of electric machines

#59
20150244223
2015-08-27

Separated coolant circulation structure for water-cooled power generator and cooling method thereof

#60
20140265655
2014-09-18

Vehicle drive device

#61
20140139057
2014-05-22

Stator module and magnetic field generating structure thereof

#62
20130285487
2013-10-31

Electric machine with modular stator coils and cooling tubes

#63
20120161553
2012-06-28

Water-cooling structure for electric motor

#64
20100270875
2010-10-28

High-voltage bushing of a rotating electric machine

#65
20100181849
2010-07-22

Rotor for a generator

#66
20090322168
2009-12-31

Stator of a turbo generator

#67
20090255652
2009-10-15

Heat exchange device and method

#68
20090127944
2009-05-21

Ventilated rotor of high-power turbogenerator for production of electricity

#69
20080129127
2008-06-05

METHOD OF SEALING A GENERATOR STATOR BAR AND A STATOR BAR END FITTING

#70
20080029291
2008-02-07

Method for manufacturing liquid-cooled stator bars

#71
20070158397
2007-07-12

Method for applying braze end isolation layer for generator armature winding bar

#72
20060108401
2006-05-25

Braze end isolation layer for generator armature winding bar and method for applying the isolation layer

#73
20060080828
2006-04-20

Methods and systems for sealing liquid cooled stator bar end connections for a generator

#74
20060021212
2006-02-02

Method of sealing a generator stator bar and a stator bar end fitting

#75
20050274489
2005-12-15

Heat exchange device and method

#76
20050258701
2005-11-24

Construction and method of an electric motor drive

#77
20050189835
2005-09-01

Rotor for an electrical machine

#78
16220769
2020-05-12

Discrete voltage/ open input