ClassID:

217424

H02K16/04 - CPC Classification

Classification description:

Machines with more than one rotor or stator Machines with one rotor and two stators

Recent Application in this class:
#1
20260135436
2026-05-14

MOTOR

#2
20260128701
2026-05-07

LAWN AND GARDEN POWER TOOL INCLUDING ELECTRIC MOTOR WITH TWO SELECTABLE POWER OUTPUTS

#3
20260012054
2026-01-08

COOLING STRUCTURE, STATOR, AXIAL MAGNETIC FIELD MOTOR, AND ASSEMBLY METHOD THEREOF

#4
20250373132
2025-12-04

INTRINSICALLY ADAPTING VARIABLE GENERATORS AND MOTORS

#5
20250337305
2025-10-30

ROTATING DEVICE

#6
20250330059
2025-10-23

ROTATING ELECTRICAL MACHINE AND OPERATING METHOD THEREOF

#7
20250246949
2025-07-31

ELECTRO-MECHANICAL CONVERTERS USING FERROELECTRIC NEMATIC MATERIAL

#8
20250192654
2025-06-12

Multi-Bar Linkage Electric Drive System

#9
20250167651
2025-05-22

Electric Jet Engine

#10
20250167650
2025-05-22

Electrical Multi-Phase Machine

#11
20250167613
2025-05-22

ELECTRICAL MULTI-PHASE MACHINE

#12
20250119014
2025-04-10

SEALED AXIAL FLUX MOTOR WITH INTEGRATED COOLING

#13
20250105715
2025-03-27

Electrical Multi-Phase Machine

#14
20250079959
2025-03-06

Multi-excitation-source axial-flux permanent-magnet motor with partitioned, hierarchical, and variable poles, and variable-condition driving control system

#15
20250015694
2025-01-09

HYBRID MOTOR

#16
20250007375
2025-01-02

AXIAL FLUX SWITCHED RELUCTANCE AND INDUCTANCE STATE MACHINE SYSTEMS, DEVICES, AND METHODS

#17
20250007336
2025-01-02

ROTARY ELECTRIC MACHINE

#18
20240372447
2024-11-07

HYBRID RADIAL-AXIAL MOTOR

#19
20240235349
2024-07-11

ELECTRIC MOTOR WITH DOUBLE STATORS

#20
20240209578
2024-06-27

SWEEPER MACHINE

#21
20240204706
2024-06-20

VARIABLE TORQUE MOTOR/GENERATOR/TRANSMISSION

#22
20240204641
2024-06-20

SOLENOID ACTUATOR

#23
20240204621
2024-06-20

ELECTRIC MACHINE

#24
20240204609
2024-06-20

ELECTRIC MACHINE

#25
20240178731
2024-05-30

Electric jet engine

#26
20240162771
2024-05-16

ELECTRIC AXIAL FLUX MACHINE

#27
20240146164
2024-05-02

Axial flux switched reluctance motor and generator, and related systems and methods

#28
20240146162
2024-05-02

Modular electrical generator/electric motor assembly, and method of using same

#29
20240072624
2024-02-29

Electrical Generation

#30
20240072623
2024-02-29

IMPROVED INTRINSICALLY ADAPTING VARIABLE GENERATORS AND MOTORS

#31
20240039446
2024-02-01

VARIABLE TORQUE MOTOR/GENERATOR/TRANSMISSION

#32
20240039380
2024-02-01

Modular electrical generator/electric motor assembly, and method of using same

#33
20230421034
2023-12-28

Axial flux switched reluctance and inductance state machine systems, devices, and methods

#34
20230336061
2023-10-19

DRIVING UNIT AND LINEAR COMPRESSOR INCLUDING THE SAME

#35
20230327531
2023-10-12

Aircraft electric motor

#36
20230287893
2023-09-14

ROTARY DRIVE DEVICE AND PUMP

#37
20230253854
2023-08-10

Electric motor with printed circuit board

#38
20230223884
2023-07-13

Motor drive system

#39
20230208262
2023-06-29

Electric generator having plural stators

#40
20230163671
2023-05-25

Radial and axial type hybrid motor

#41
20230050563
2023-02-16

ELECTRIC ENGINE FOR A CHARGING DEVICE AND PRODUCTION METHOD

#42
20230033646
2023-02-02

Sealed axial flux motor with integrated cooling

#43
20230032576
2023-02-02

SINGLE SIDED AXIAL FLUX ELECTRICAL MACHINE WITH ADDITIONAL PASSIVE STATOR

#44
20230018260
2023-01-19

Dual and multiple air gap rotary device

#45
20230006593
2023-01-05

Variable torque motor/generator/transmission

#46
20230006522
2023-01-05

Multi-bar linkage electric drive system

#47
20220393560
2022-12-08

ELECTRIC MOTOR

#48
20220368180
2022-11-17

UNIQUE METHOD OF HARNESSING ENERGY FROM THE MAGNETIC DOMAINS FOUND IN FERROMAGNETIC AND PARAMAGNETIC MATERIALS

#49
20220352799
2022-11-03

ROTARY MOTOR AND ROBOT ARM

#50
20220345004
2022-10-27

Linear electric device

#51
20220329115
2022-10-13

Rotary electric machine cores with reference position marks

#52
20220320981
2022-10-06

Hybrid axial/radial electric motor

#53
20220320956
2022-10-06

An Electrical Machine Comprising an Integrated Magnetic Torsion Spring

#54
20220316487
2022-10-06

ROTATING DEVICE

#55
20220302865
2022-09-22

Variable torque motor/generator/transmission

#56
20220302814
2022-09-22

Conveyor system

#57
20220271636
2022-08-25

Smart generator

#58
20220229123
2022-07-21

Position measuring mechanism and measuring method of linear motion system

#59
20220158511
2022-05-19

Magnet structure having a plurality of individual magnets integrated into a mesh structure

#60
20220144444
2022-05-12

Aircraft propulsion system

#61
20220140719
2022-05-05

LINEAR MOTOR AND LINEAR COMPRESSOR

#62
20220123607
2022-04-21

Electric machine with combined axial- and radial-flux

#63
20220109356
2022-04-07

Hybrid radial-axial motor

#64
20220109355
2022-04-07

Electric power generator comprising two stators and a rotor

#65
20220103046
2022-03-31

Electric motor/generator

#66
20220085707
2022-03-17

Electrical machine with an auxiliary movable self-directing stator

#67
20220069641
2022-03-03

High voltage electric machine equipped with galvanic separators for cascaded voltage stator modularization

#68
20220052571
2022-02-17

Enhancements to cooling means for axial flux generators

#69
20210376701
2021-12-02

Two-stator and two-rotor combined energy-saving motor

#70
20210351668
2021-11-11

Stator for rotary field machine having axial heat dissipation

#71
20210351658
2021-11-11

ROTOR AND STATOR FOR HIGH SPEED AXIAL FLUX MACHINE

#72
20210351635
2021-11-11

Stator and motor comprising same

#73
20210320606
2021-10-14

Variable torque motor/generator/transmission

#74
20210320574
2021-10-14

High torque density double stator permanent magnet electric machine

#75
20210320563
2021-10-14

Axial flux submersible electric motor

#76
20210320549
2021-10-14

Axial flux submersible electric motor

#77
20210313853
2021-10-07

Rotor for an electromagnetic motor or generator with tapered branches

#78
20210257949
2021-08-19

Variable torque motor/generator/transmission

#79
20210242685
2021-08-05

Dual transformer turbine

#80
20210218322
2021-07-15

Electromagnetic motor or generator with two rotors, four stators and an integrated cooling system

#81
20210218321
2021-07-15

ROTOR FOR AN AXIAL FLUX ROTATING ELECTRICAL MACHINE COMPRESSED WITH A BAND

#82
20210211083
2021-07-08

Electronic transmission system

#83
20210210998
2021-07-08

Electric motor, compressor, fan, and refrigerating and air conditioning apparatus

#84
20210194302
2021-06-24

Sealed axial flux motor with integrated cooling

#85
20210167675
2021-06-03

Multi-bar linkage electric drive system

#86
20210143721
2021-05-13

Rotary-linear actuation assembly

#87
20210135554
2021-05-06

NOVEL DOUBLE-STATOR COMBINED ELECTRIC MACHINE SUITABLE FOR ACHIEVING SENSORLESS CONTROL OF ABSOLUTE POSITION OF ROTOR

#88
20210135544
2021-05-06

Fin-cooled axial flux rotating electrical machine, and applications thereof

#89
20210135525
2021-05-06

OPEN STATOR FOR AN AXIAL FLUX ROTATING ELECTRICAL MACHINE

#90
20210135514
2021-05-06

Attaching a stator to an endbell of an axial flux rotating electrical machine

#91
20210099050
2021-04-01

Electromechanical actuator with stator teeth dimensioned to operate a saturation bend for electrical flight controls of an aircraft

#92
20210075303
2021-03-11

Electric motor for a propeller engine

#93
20210075302
2021-03-11

Control and drive of a rotating machine with an inner and an outer stator

#94
20210067015
2021-03-04

Electric motor

#95
20210044188
2021-02-11

Rotating electrical machine and aircraft having said machine

#96
20210044187
2021-02-11

Dual stator machine with a rotor magnet set configured to minimize flux leakage

#97
20210021182
2021-01-21

Rotor for a rotating electrical machine

#98
20200362671
2020-11-19

Generator design with varying gap

#99
20200350809
2020-11-05

Method for controlling a synchronous double stator electric machine

#100
20200328663
2020-10-15

Brushless motor-generator having a spherical stator and spherical windings with displaced poles

#101
20200328634
2020-10-15

Stator for an electromagnetic motor or generator with individual windings support snap-fitted to an associated tooth

#102
20200313520
2020-10-01

ELECTRIC MOTOR

#103
20200304000
2020-09-24

GENERATOR WITH REDUCED MAGNETIC RESISTANCE

#104
20200295622
2020-09-17

AXIAL FLUX ELECTROMAGNETIC MOTOR OR GENERATOR HAVING A COOLING CIRCUIT COMMON TO THE MOTOR AND TO ITS ELECTRONIC CONTROL AND POWER MEANS

#105
20200240194
2020-07-30

Linear motor for sliding door

#106
20200235618
2020-07-23

Hybrid rotor for an axial flux electrical machine

#107
20200228041
2020-07-16

Double-stator PM machine with 3rd order current harmonic injection

#108
20200227989
2020-07-16

Spherical brushless direct current machine

#109
20200161912
2020-05-21

ELECTRIC MACHINE

#110
20200153323
2020-05-14

EXPANDABLE AI ARTIFICIAL INTELLIGENCE DRIVING FORCE, ELECTRICITY GENERATOR MULTI-STATOR MULTI-FUNCTION MOTORAND SYSTEM DEVICES

#111
20200112239
2020-04-09

Multi-bar linkage electric drive system

#112
20200091782
2020-03-19

Magnet structure having a plurality of individual magnets integrated into a mesh structure

#113
20200059144
2020-02-20

Electric machine, in particular for a motor vehicle

#114
20200044524
2020-02-06

Brushless direct current motor with dual stators

#115
20200044500
2020-02-06

Rotor for an electromagnetic motor or generator with radial flux comprising a mesh structure housing individual magnets

#116
20200036271
2020-01-30

Brushless Doubly Fed Radial Wound Electric Machine

#117
20200036236
2020-01-30

Magnet structure with a plurality of individual magnets in the form of blocks

#118
20200031446
2020-01-30

Rotating electrical machine apparatus

#119
20200031390
2020-01-30

Motor and a steer by wire handwheel actuator

#120
20200028393
2020-01-23

Electromagnetic motor or generator comprising a rotor with magnetized structures comprising individual magnets and a stator with concentric windings

#121
20200028390
2020-01-23

Electric machine

#122
20190372408
2019-12-05

ROTATING ELECTRIC MACHINE

#123
20190356205
2019-11-21

Energy conserving power generator

#124
20190356181
2019-11-21

Stator for an electric motor

#125
20190356179
2019-11-21

Stator and motor comprising same

#126
20190312490
2019-10-10

FAULT-TOLERANT MOTOR

#127
20190305704
2019-10-03

Alternator flux shaping

#128
20190305638
2019-10-03

WHEEL HUB MOTOR

#129
20190296675
2019-09-26

Linear motor actuators

#130
20190214929
2019-07-11

Permanent magnet generator with magnetic rotor band

#131
20190181721
2019-06-13

Electric motor device

#132
20190173345
2019-06-06

Generator stator and generator

#133
20190140503
2019-05-09

Axial-flow machine having a dimensionally stable assembly

#134
20190131855
2019-05-02

Double stator rotating electrical machine

#135
20190081582
2019-03-14

Modular electric power generating system with multistage axial flux generator

#136
20190081541
2019-03-14

Hollow single-phase induction motor

#137
20190077446
2019-03-14

Power-Assisted Steering System Of A Motor Vehicle With An Axial Magnetic Flux Electromagnetic Motor And Parallel Redundant Electrical Power Supply To The Stators Of The Motor

#138
20190068102
2019-02-28

Variable torque motor/generator/transmission

#139
20190044401
2019-02-07

Axial gap motor and method for manufacturing rotor

#140
20190023384
2019-01-24

Electric powered direct drive rotor motor

#141
20190013759
2019-01-10

Variable torque motor/generator/transmission

#142
20180358873
2018-12-13

Magnetless rotary electric machine

#143
20180351482
2018-12-06

Rotating electrical machine and rotating electrical machine system

#144
20180334258
2018-11-22

Propulsion system for an aircraft

#145
20180331607
2018-11-15

Polyphase transverse flux machine

#146
20180331603
2018-11-15

Electric Motor/Generator

#147
20180323663
2018-11-08

Axial gap rotating electrical machine and manufacturing method for the same

#148
20180301955
2018-10-18

Electromechanical actuator with stator teeth dimensioned to operate a saturation bend for electrical flight controls of an aircraft

#149
20180294684
2018-10-11

End plate for rotors of switched reluctance motors

#150
20180278133
2018-09-27

Axial motor/generator having multiple inline stators and rotors with stacked/layered permanent magnets, coils, and a controller

#151
20180273212
2018-09-27

Magnetic-fluid momentum sphere

#152
20180233977
2018-08-16

Rotor of an electric machine

#153
20180226864
2018-08-09

Motor

#154
20180205301
2018-07-19

STACKED TRANSFLUX ELECTRIC MOTOR

#155
20180198395
2018-07-12

Double stator permanent magnet machine with magnetic flux regulation

#156
20180175781
2018-06-21

Moving magnet motor and transducer with moving magnet motor

#157
20180145570
2018-05-24

Induction servo motor with a constant-output-force or a constant-output-torque by using uniform magnetic fields

#158
20180138850
2018-05-17

Variable torque motor/generator/transmission

#159
20180105263
2018-04-19

Electric propulsion system for a rotary wing aircraft

#160
20180102721
2018-04-12

Linear motor actuators

#161
20180091070
2018-03-29

REDUNDANT CHANNEL MOTOR AND METHOD

#162
20180091030
2018-03-29

Rotary lifting device

#163
20180079446
2018-03-22

Brushless direct current motor and electric power steering system comprising same

#164
20180076701
2018-03-15

Axial flux motor having rotatably coupled coil stator assemblies and methods of using same

#165
20180072125
2018-03-15

Guided multi-bar linkage electric drive system

#166
20180072120
2018-03-15

Multi-bar linkage electric drive system

#167
20180066703
2018-03-08

ELECTRIC POWER GENERATION AND BRAKE DEVICE

#168
20180048254
2018-02-15

Variable torque motor/generator/transmission

#169
20180019648
2018-01-18

Apparatus and method for cogging torque reduction with rotor embedded cylindroid permanent magnets

#170
20180019646
2018-01-18

Electric motor

#171
20180013371
2018-01-11

Hydride generation system

#172
20180006592
2018-01-04

SWITCHED RELUCTANCE MOTOR AND METHOD THEREFORE

#173
20170366050
2017-12-21

Axial gap motor rotor and axial gap motor

#174
20170338705
2017-11-23

Electric machine

#175
20170305676
2017-10-26

Motor shaped as a roller

#176
20170264176
2017-09-14

Rotary electrical machine with homopolar structure

#177
20170248247
2017-08-31

Actuator having electric drive for actuating a valve device

#178
20170247201
2017-08-31

XY table for a linear transport system

#179
20170246825
2017-08-31

Drive for a machine, torque motor, clutch unit, device for processing materials, and use of a torque motor

#180
20170229949
2017-08-10

SINGLE PHASE BRUSHLESS DIRECT CURRENT MOTOR

#181
20170229948
2017-08-10

SINGLE PHASE BRUSHLESS DIRECT CURRENT MOTOR

#182
20170222499
2017-08-03

Double stator-type rotary machine

#183
20170218855
2017-08-03

Engine architecture using electric machine

#184
20170194844
2017-07-06

DC MOTOR STRUCTURE WITH HOLLOW ROTOR AND INNER AND OUTER STATORS

#185
20170194824
2017-07-06

Hollow rotor structure for DC motor and winding structure of the same

#186
20170194822
2017-07-06

NESTED STATOR STRUCTURE FOR DC MOTOR

#187
20170187254
2017-06-29

Electric machine

#188
20170141672
2017-05-18

Magnet to magnet couplings and drives

#189
20170102047
2017-04-13

Saturation-controlled variable damper systems and methods

#190
20170098989
2017-04-06

Electric rotating machine

#191
20170050668
2017-02-23

Motor control device, electric power steering device, and vehicle

#192
20170047821
2017-02-16

Electric machine

#193
20170047813
2017-02-16

DYNAMO

#194
20170047798
2017-02-16

Electric machine

#195
20170047795
2017-02-16

Electric machine

#196
20170047794
2017-02-16

Electric machine

#197
20170047793
2017-02-16

Electric machine

#198
20170047792
2017-02-16

Electric machine

#199
20170040920
2017-02-09

Variable torque motor/generator/transmission

#200
20170040918
2017-02-09

Permanent magnet motor, position estimating device, and motor driving controlling device

#201
20170025931
2017-01-26

Motor, rotation period detection method thereof, motor rotation period detection sensor assembly, and power generator

#202
20170019005
2017-01-19

Double-stator switched reluctance rotating machine

#203
20160352203
2016-12-01

Rotating electric machine

#204
20160352191
2016-12-01

Multiple speed motor with thermal overload protection

#205
20160340151
2016-11-24

Drive unit for multiphase permanent magnet synchronous motor

#206
20160336889
2016-11-17

Method of generating electricity by an alternator and a generator using the same

#207
20160322884
2016-11-03

Electromagnetic machine with optimized electromagnetic circuit elements integrated in tracks formed as crenellated annular lines

#208
20160322869
2016-11-03

Axial gap motor

#209
20160294267
2016-10-06

Magnet-free rotating electric machine

#210
20160294239
2016-10-06

Magnetless rotating electric machine

#211
20160294229
2016-10-06

ELECTRIC ROTATING MACHINE WITH LATERALLY MAGNETIZED MAGNETS

#212
20160276904
2016-09-22

Multi-gap rotating electric machine with cooling oil guide channels for side stator coil

#213
20160233751
2016-08-11

Electrical generation

#214
20160204673
2016-07-14

Actuation device for a clutch device

#215
20160177770
2016-06-23

Electrical machines

#216
20160164386
2016-06-09

Double-stator rotating electric machine

#217
20160156255
2016-06-02

Double stator and motor comprising same

#218
20160149476
2016-05-26

Brushless direct current electric motor and electric power steering system

#219
20160126790
2016-05-05

Electric machine having rotor with slanted permanent magnets

#220
20160065041
2016-03-03

Electric motor with plural stator components

#221
20160065010
2016-03-03

Double-stator electric rotating machine

#222
20160043619
2016-02-11

Double-stator rotating electric machine

#223
20160036308
2016-02-04

Variable torque motor/generator/transmission

#224
20160036307
2016-02-04

Closed loop leveraging electromagnetic motor

#225
20160028296
2016-01-28

Double-stator rotating electric machine

#226
20160009185
2016-01-14

Generator motor unit, power output engine, and vehicle

#227
20150372545
2015-12-24

Axial-flux electric machine with winding rotor and method for the production thereof

#228
20150364979
2015-12-17

Magnetic electricity generator

#229
20150303857
2015-10-22

Control system for an electric motor

#230
20150295482
2015-10-15

Electrical machine

#231
20150288264
2015-10-08

Double stator switched reluctance rotating machine

#232
20150288235
2015-10-08

Double stator switched reluctance rotating machine

#233
20150280536
2015-10-01

Electric machine with permanently excited inner stator

#234
20150280506
2015-10-01

Power generator for a hydro turbine

#235
20150194252
2015-07-09

Torque motor actuator with an armature stop

#236
20150171674
2015-06-18

Software-defined electric motor

#237
20150171672
2015-06-18

Electric motor with plural stator components

#238
20150166200
2015-06-18

Three-dimensional rigid ball driving system

#239
20150137655
2015-05-21

Rotor securing arrangement and rotating electric machine having the same

#240
20150061451
2015-03-05

Electric motor

#241
20150061416
2015-03-05

Linear motor device

#242
20150048704
2015-02-19

Double stator permanent magnet machine

#243
20150042193
2015-02-12

Electrical system and method for sustaining an external load

#244
20150037180
2015-02-05

Electric motor and magnetic gear

#245
20150034294
2015-02-05

Submersible electrical machine and method

#246
20150022043
2015-01-22

ELECTRIC MOTOR

#247
20140361653
2014-12-11

Electrical machine with improved stator flux pattern across a rotor for providing high torque density

#248
20140319935
2014-10-30

Mover and stator assembly of electric machine having convex and concave portions for a respective stator and rotor

#249
20140300217
2014-10-09

High torque, low inertia direct drive motor

#250
20140291987
2014-10-02

Engine architecture using electric machine

#251
20140285057
2014-09-25

Reluctance motor having inductor pole coils located between adjacent ones of the salient poles of a rotor

#252
20140265745
2014-09-18

Stator winding for an electric motor

#253
20140265742
2014-09-18

Multiple speed motor with thermal overload protection

#254
20140265694
2014-09-18

Electric rotary machine having dual axial stators with terminals and coil segment distributing members therebetween

#255
20140232233
2014-08-21

Multi-gap rotating electric machine having phase coils formed of substantially U-shaped electric conductor segments

#256
20140225550
2014-08-14

Wheel assembly defining a motor/generator

#257
20140191626
2014-07-10

Spherical induction motor

#258
20140191624
2014-07-10

Electric motor/generator

#259
20140167538
2014-06-19

ELECTRONIC ENGINE

#260
20140159533
2014-06-12

Multi-gap rotary machine with dual stator and one rotor with dual permanent magnets and salient poles with dimensions and ratios for torque maximization

#261
20140159532
2014-06-12

Multi-gap type rotary electric machine including inner and outer stators and a rotor with inner and outer magnets

#262
20140159517
2014-06-12

Axial gap-type power generator

#263
20140159373
2014-06-12

Compact wind and water turbine

#264
20140125063
2014-05-08

Electrical Generator

#265
20140097719
2014-04-10

Motor for environment-friendly vehicle

#266
20140054998
2014-02-27

Rotor and electric motor including the same

#267
20140035393
2014-02-06

Doubly salient permanent magnet electric machine

#268
20140028142
2014-01-30

Double-stator motor

#269
20140021813
2014-01-23

Elevator drive

#270
20140020985
2014-01-23

Elevator drive

#271
20140002001
2014-01-02

Motor drive system

#272
20130292941
2013-11-07

Electrical machine

#273
20130285501
2013-10-31

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Electrical system and method for sustaining an external load

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Rotating machine and rotor thereof

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