ClassID:

217188

H02K3/44 - CPC Classification

Classification description:

Details of windings Protection against moisture or chemical attack; Windings specially adapted for operation in liquid or gas

Recent Application in this class:
#1
20260051771
2026-02-19

FRAME FOR A ROTATING ELECTRICAL MACHINE

#2
20250327455
2025-10-23

FLUID CIRCULATOR FOR HEATING OR COOLING SYSTEMS

#3
20250246961
2025-07-31

MOTOR AND MANUFACTURING METHOD OF MOTOR

#4
20250183773
2025-06-05

WINDING FIELD ROTOR MANUFACTURING METHOD, WINDING FIELD ROTOR MANUFACTURING DEVICE, WINDING FIELD ROTOR, AND WINDING FIELD ROTATING ELECTRIC MACHINE

#5
20250132067
2025-04-24

LEAD WIRE FOR ELECTRICAL SUBMERSIBLE PUMPS

#6
20250105690
2025-03-27

STATOR AND METHOD OF FABRICATING A STATOR

#7
20250079923
2025-03-06

ELECTRIC COMPRESSOR

#8
20240396396
2024-11-28

TOOLING FOR ENCAPSULATED ESP STATORS

#9
20240364171
2024-10-31

MOTOR DEVICE

#10
20240364170
2024-10-31

Electrical Assembly Structure and Motors with Electrical Assembly Structure

#11
20240305156
2024-09-12

ELECTRIC COMPRESSOR

#12
20240305149
2024-09-12

STATOR WITH PERMANENT PROTECTIVE BARRIER SEALING

#13
20240006949
2024-01-04

MAGNET WIRE

#14
20240006945
2024-01-04

COIL MEMBER AND CAMERA MODULE COMPRISING SAME

#15
20230396108
2023-12-07

Stator and method of fabricating a stator

#16
20230352707
2023-11-02

RECIRCULATION BLOWER

#17
20230238847
2023-07-27

Salt spray resistant structure of fan motor assembly

#18
20230228272
2023-07-20

FLUID CIRCULATOR FOR HEATING OR COOLING SYSTEMS

#19
20230198346
2023-06-22

Robot drive with isolated optical encoder

#20
20230179055
2023-06-08

ELECTRIC WATER PUMP

#21
20230011641
2023-01-12

Oleophilic surface treatments for enhanced heat-transfer characteristics of electric machines

#22
20220388621
2022-12-08

Marine vehicle with submersible electric thruster

#23
20220368188
2022-11-17

Waterproof fan

#24
20220271610
2022-08-25

Compressor device

#25
20220263364
2022-08-18

Electric machine cooling systems and methods

#26
20220148759
2022-05-12

Advanced insulation and jacketing for downhole power and motor lead cables

#27
20210288536
2021-09-16

Electric machine cooling systems and methods

#28
20210262710
2021-08-26

Refrigeration cycle apparatus

#29
20210234437
2021-07-29

Robot drive with isolated optical encoder

#30
20210175769
2021-06-10

Electric motor for operating in conductive fluids and related method

#31
20210044169
2021-02-11

Electric machine rotor cooling systems and methods

#32
20200366150
2020-11-19

POTTING UHV INSULATION SYSTEM

#33
20200328666
2020-10-15

METHOD OF FABRICATING COMPOSITE LENS HOLDER, VOICE COIL MOTOR, AND ELECTRONIC DEVICE USING COMPOSITE LENS HOLDER

#34
20200244128
2020-07-30

Form-wound coil having previous winding of mica tape

#35
20200094934
2020-03-26

Electrically-powered unmanned marine vehicle and method of making same

#36
20200036267
2020-01-30

Robot drive with isolated optical encoder

#37
20200021160
2020-01-16

MOTOR AND PUMP DEVICE

#38
20200003215
2020-01-02

Pump

#39
20190245398
2019-08-08

ELECTRIC MACHINE ROTOR COOLING SYSTEMS AND METHODS

#40
20190229586
2019-07-25

Electric machine stator cooling systems and methods

#41
20190222086
2019-07-18

Ammonia-resistant motor used for closed-type refrigerating compressor

#42
20190123620
2019-04-25

Electric machine stator cooling systems and methods

#43
20190036413
2019-01-31

Motor and pump device

#44
20190036412
2019-01-31

Motor and pump device

#45
20190036411
2019-01-31

Motor and pump device

#46
20180340533
2018-11-29

Pump drive for conveying a reducing agent for motor vehicle exhaust gas systems, modular motor and pump family for forming different pump drives with several such electric motors

#47
20180309339
2018-10-25

Electric drive with stator winding and control device surrounded by shielding device

#48
20180258313
2018-09-13

Solvent-free varnish composition, insulated coil, process for producing same, rotating machine, and closed electric compressor

#49
20180229825
2018-08-16

SUBMERSIBLE ELECTRIC THRUSTER

#50
20180159401
2018-06-07

Permanent magnet synchronous motor and its preparation method

#51
20180152074
2018-05-31

STATOR

#52
20180097419
2018-04-05

Compressor for compressing refrigerant and having a motor with insulator tooth portions

#53
20180048208
2018-02-15

Motor and disk drive apparatus

#54
20180041089
2018-02-08

Electrical connection through motor housing

#55
20170372813
2017-12-28

Making an enhanced magnet wire insulation suited for an electric submersible motor application

#56
20170363052
2017-12-21

Electric fuel pump

#57
20170331347
2017-11-16

Rotary electric machine and method of manufacturing rotary electric machine

#58
20170241680
2017-08-24

Motor for use in refrigerant environment

#59
20170194842
2017-07-06

Robot drive with isolated optical encoder

#60
20160380502
2016-12-29

Electric motor and method for manufacturing same

#61
20160365770
2016-12-15

Foil bearing supported motor with adjustable thrust bearing cap

#62
20160352194
2016-12-01

Carbon brush arrangement

#63
20160248287
2016-08-25

COMPRESSOR

#64
20160223605
2016-08-04

Water-tree resistance evaluation method, insulation design method, and rotary electric machine

#65
20160215817
2016-07-28

Magnetic bearing and rotary machine comprising such a bearing

#66
20160201680
2016-07-14

Fuel pump

#67
20160087502
2016-03-24

Systems and Methods for Splicing Electrical Conductors in an ESP Motor

#68
20150318770
2015-11-05

Polymer-based layer structure with an oleophobic/hydrophobic surface, and electric machine comprising such a layer structure

#69
20150318760
2015-11-05

High-voltage flywheel energy storage system

#70
20150188385
2015-07-02

SPINDLE MOTOR

#71
20150145357
2015-05-28

Robot drive with radially adjustable sensor connection

#72
20150145351
2015-05-28

METHOD FOR POTTING A STATOR

#73
20150108861
2015-04-23

Motor and disk drive apparatus

#74
20150108859
2015-04-23

Electric motor having sealed casing and manufacturing method thereof

#75
20150084460
2015-03-26

Motor

#76
20150084448
2015-03-26

Rotating electrical machine and method for manufacturing rotating electrical machine

#77
20150061470
2015-03-05

Stator for rotating electric machine

#78
20150003977
2015-01-01

Outdoor fan motor and air-conditioning apparatus

#79
20140375157
2014-12-25

Electric compressor

#80
20140353000
2014-12-04

Electrical insulation system

#81
20140339946
2014-11-20

Reduction of electrolytic corrosion in a brushless direct-current motor

#82
20140339929
2014-11-20

Laminated core

#83
20140326464
2014-11-06

MOTOR WINDING WIRE FOR A HYDROCARBON APPLICATION

#84
20140300230
2014-10-09

Rotor for an electric motor

#85
20140292125
2014-10-02

Rotary electric machine and method of manufacturing rotary electric machine

#86
20140145530
2014-05-29

USE OF PEK AND PEKEKK ON MAGNET WIRE

#87
20140125180
2014-05-08

Electric motor

#88
20140077637
2014-03-20

Robot Drive With Passive Rotor

#89
20140042835
2014-02-13

Equipment including epitaxial co-crystallized material

#90
20130309109
2013-11-21

Motor and Fuel Pump

#91
20130278117
2013-10-24

System and method for enhanced magnet wire insulation

#92
20130168964
2013-07-04

Waste heat recovery system generator encapsulation

#93
20130134809
2013-05-30

Electric motor for high-temperature applications

#94
20130121815
2013-05-16

Hermetically sealed compressor

#95
20130069450
2013-03-21

Robot Drive With Passive Rotor

#96
20130064697
2013-03-14

Electric compressor with the stator coils coated with resin, the resin having openings exposing the coils to the interior of the housing

#97
20130050872
2013-02-28

MOTOR AND DISK DRIVE APPARATUS

#98
20130009495
2013-01-10

Stator structure and stator manufacturing method

#99
20120269666
2012-10-25

Motor and fan using the same

#100
20120267967
2012-10-25

Environmentally protected housingless generator/motor

#101
20120224990
2012-09-06

Helium enclosed compressor

#102
20120126644
2012-05-24

WATERPROOF AND DUSTPROOF MOTOR HEAT DISSIPATION STRUCTURE AND FAN DEVICE USING THE SAME

#103
20120091851
2012-04-19

Rotary electric machine

#104
20120091841
2012-04-19

Rotor for an electric motor and method for producing such a rotor

#105
20120062065
2012-03-15

Stator of vehicle AC generator and method for manufacturing the same

#106
20120025646
2012-02-02

Cooling tower motor having improved moisture protection

#107
20110248507
2011-10-13

Stator-arrangement

#108
20110198955
2011-08-18

Electrical machine with dual insulated coil assembly

#109
20110194958
2011-08-11

Armature for fuel pump and manufacturing method thereof

#110
20110193430
2011-08-11

Molded motor

#111
20110156504
2011-06-30

MOTOR AND METHOD FOR MANUFACTURING THE SAME

#112
20110126399
2011-06-02

Method of making an armature

#113
20110062808
2011-03-17

Washing machine motor having insulator accommodating aluminum wire windings

#114
20100181076
2010-07-22

Method of forming a motor winding and disposing the motor wire

#115
20100080892
2010-04-01

Varnish compositions for electrical insulation and method of using the same

#116
20090302695
2009-12-10

ELECTRIC MOTOR AND ELECTRIC TOOL WITH THE SAME

#117
20090256431
2009-10-15

Stator arrangement, generator and wind turbine

#118
20090191074
2009-07-30

ELECTRICALLY POWERED PUMP

#119
20090180910
2009-07-16

HELIUM ENCLOSED COMPRESSOR

#120
20090126184
2009-05-21

Method of making an armature

#121
20090091202
2009-04-09

Shrink tube encapsulated magnet wire for electrical submersible motors

#122
20090051230
2009-02-26

Rotor for a forced-air-cooled electric motor

#123
20080317614
2008-12-25

Electric compressor

#124
20080303373
2008-12-11

Carbon brush produced by mixing a carbonaceous filler and a binder, and kneading, shaping, and baking the mixture

#125
20080299359
2008-12-04

Moisture-Repellent Protective Layer For A Winding Head Of An Electric Machine

#126
20080251271
2008-10-16

WATER-RESISTANT WIRE COIL, WIRE WINDING, AND MOTOR, AND METHOD OF INCREASING MOTOR POWER

#127
20080191575
2008-08-14

Motor winding wire for a hydrocarbon application

#128
20080129131
2008-06-05

Motor

#129
20080007134
2008-01-10

ELECTRIC MOTOR AND METHOD FOR PRODUCING ELECTRIC MOTOR

#130
20070273225
2007-11-29

Electric Motors for Powering Downhole Tools

#131
20070252444
2007-11-01

Canned linear motor armature and canned linear motor

#132
20070236097
2007-10-11

Fuel pump

#133
20070152522
2007-07-05

Rotating Electrical Machine with a Transmission and a Driving Apparatus Using the Same

#134
20070098574
2007-05-03

Fuel pump having motor arrangement and pump arrangement

#135
20070086905
2007-04-19

Brushless motor and fluid pump having the same

#136
20070051779
2007-03-08

Powder coating for generator stator bar end fitting and method for applying the powder coating

#137
20060236985
2006-10-26

Fuel pump

#138
20060192444
2006-08-31

Corrosion protective coating for extending the lifetime of water cooled stator bar clips

#139
20060145558
2006-07-06

Alternator for a vehicle

#140
20060102702
2006-05-18

Powder coating for generator stator bar end fitting and method for applying the powder coating

#141
20060061220
2006-03-23

Corrosion protective coating for extending the lifetime of water cooled stator bar clips

#142
20050280320
2005-12-22

Resolver with waterproofing elements

#143
20050012408
2005-01-20

Application of corrosion protective coating for extending the lifetime of water cooled stator bar clips

#144
15870472
2019-01-08

Electric machine stator cooling systems and methods