ClassID:

218442

H02P25/16 - CPC Classification

Classification description:

Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring

Sub-classes:
Recent Application in this class:
#1
20260012064
2026-01-08

CONTROLLER

#2
20250392242
2025-12-25

MOTOR CONTROL UNIT, MOTOR, AND PUMP DEVICE

#3
20250340303
2025-11-06

HIGH VOLTAGE CONVERTER FOR USE AS ELECTRIC POWER SUPPLY

#4
20250296687
2025-09-25

SYSTEMS, METHODS, AND MECHANICAL DESIGNS FOR INVERTERS FOR EVTOL AIRCRAFT

#5
20250289563
2025-09-18

INVERTER CIRCUITS AND ELECTRICAL PROPULSION SYSTEMS FOR EVTOL AIRCRAFT

#6
20250247034
2025-07-31

SYSTEMS AND METHODS FOR IMPROVED AIRCRAFT ELECTRIC ENGINES

#7
20250167649
2025-05-22

ELECTRIC PROPULSION SYSTEM FOR DELIVERING HIGH TORQUE

#8
20250153853
2025-05-15

INVERTER CIRCUITS AND ELECTRICAL PROPULSION SYSTEMS FOR EVTOL AIRCRAFT

#9
20250145303
2025-05-08

SYSTEMS AND METHODS FOR OIL MANAGEMENT IN GEARBOXES FOR EVTOL AIRCRAFT

#10
20250145297
2025-05-08

SYSTEMS AND METHODS FOR OIL MAINTENANCE IN GEARBOXES FOR eVTOL AIRCRAFT

#11
20250121948
2025-04-17

SYSTEMS AND METHODS FOR OIL MANAGEMENT IN GEARBOXES FOR EVTOL AIRCRAFT

#12
20250079957
2025-03-06

HIGH-TORQUE ELECTRIC MOTOR ASSEMBLY

#13
20250066028
2025-02-27

REDUNDANT LOAD PATH FOR A TILTABLE AIRCRAFT COMPONENT

#14
20250038689
2025-01-30

SYSTEMS, METHODS, AND MECHANICAL DESIGNS FOR INVERTERS FOR EVTOL AIRCRAFT

#15
20250033782
2025-01-30

SYSTEMS AND METHODS FOR IMPROVED GEARBOXES FOR EVTOL AIRCRAFT

#16
20250030367
2025-01-23

FORWARD AND REVERSE ROTATION CONTROL DEVICE

#17
20240429848
2024-12-26

ELECTRICAL SYSTEM FOR AN ELECTRIC MACHINE

#18
20240383609
2024-11-21

Systems and methods for improved gearboxes for evtol aircraft

#19
20240380335
2024-11-14

PERFORMANCE ENHANCED BRUSHLESS MOTOR WITH VIRTUAL WYE NEUTRAL POINT SWITCHING

#20
20240351694
2024-10-24

SYSTEMS, METHODS, AND MECHANICAL DESIGNS FOR INVERTERS FOR EVTOL AIRCRAFT

#21
20240300659
2024-09-12

Inverter circuits and electrical propulsion systems for eVTOL aircraft

#22
20240300658
2024-09-12

TILT ROTOR SYSTEMS AND METHODS FOR EVTOL AIRCRAFT

#23
20240270394
2024-08-15

Systems and methods for oil maintenance in gearboxes for eVTOL aircraft

#24
20240270393
2024-08-15

SYSTEMS AND METHODS FOR OIL MAINTENANCE IN GEARBOXES FOR eVTOL AIRCRAFT

#25
20240262518
2024-08-08

Aircraft electric propulsion system with overlapping shafts for gearbox oil distribution

#26
20240253797
2024-08-01

Systems, methods, and mechanical designs for inverters for eVTOL aircraft

#27
20240253796
2024-08-01

Systems, methods, and mechanical designs for inverters for eVTOL aircraft

#28
20240253795
2024-08-01

Systems, methods, and mechanical designs for inverters for EVTOL aircraft

#29
20240253794
2024-08-01

Systems, methods, and mechanical designs for inverters for eVTOL aircraft

#30
20240253793
2024-08-01

Systems and methods for oil management in gearboxes for eVTOL aircraft

#31
20240246685
2024-07-25

SYSTEMS AND METHODS FOR IMPROVED AIRCRAFT ELECTRIC ENGINES

#32
20240136887
2024-04-25

SYSTEMS AND METHODS FOR ROTOR ASSEMBLIES

#33
20240117829
2024-04-11

SYSTEMS AND METHODS FOR CONTROLLING TILTING OF TILTABLE COMPONENTS OF EVTOL AIRCRAFT

#34
20240116642
2024-04-11

SYSTEMS AND METHODS FOR, AND COMPONENTS OF, GEARBOXES FOR EVTOL AIRCRAFT

#35
20240116641
2024-04-11

Systems, methods, and mechanical designs for inverters for eVTOL aircraft

#36
20240116639
2024-04-11

Systems and methods for oil maintenance in gearboxes for eVTOL aircraft

#37
20240116628
2024-04-11

Redundant load path for powered lift tilt actuator

#38
20230318505
2023-10-05

Aircraft

#39
20230318420
2023-10-05

HIGH VOLTAGE CONVERTER FOR USE AS ELECTRIC POWER SUPPLY

#40
20230271645
2023-08-31

MOTOR DRIVE DEVICE

#41
20230126827
2023-04-27

Circuit for shifting fixed ground level to floating ground level in motor drive system

#42
20230018508
2023-01-19

INSULATED GATE BIPOLAR TRANSISTOR, MOTOR CONTROL UNIT, AND VEHICLE

#43
20220407445
2022-12-22

Control apparatus for electric motor-driven hoisting-lowering device

#44
20220234450
2022-07-28

Three-phase AC motor drive device, rail vehicle equipped with same, and three-phase AC motor drive method

#45
20220045642
2022-02-10

Drive controller for electric motor

#46
20210249940
2021-08-12

DIRECT CURRENT POWER SUPPLY EXCITER MANAGEMENT

#47
20210089065
2021-03-25

Bus voltage limiter for converter apparatus with multiple DC buses

#48
20210062802
2021-03-04

Electronic board, in-vehicle electric motor and electric pump

#49
20200382041
2020-12-03

High voltage converter for use as electric power supply

#50
20200381985
2020-12-03

Electric propulsion system for delivering high torque

#51
20200381984
2020-12-03

High-torque electric motor assembly

#52
20200336095
2020-10-22

POWER TOOL OPERATION METHOD

#53
20200177110
2020-06-04

Solar hybrid solution for single phase starting capacitor motor applications with grid start

#54
20200127529
2020-04-23

Motor assembly

#55
20200127528
2020-04-23

Motor assembly including inverter case and wiring harness

#56
20200080635
2020-03-12

Shift range control device

#57
20190300046
2019-10-03

Drive control device and control method for electric motor

#58
20190291778
2019-09-26

Electric power steering apparatus

#59
20190280637
2019-09-12

Motor drive apparatus, refrigeration cycle apparatus and air conditioner

#60
20190280629
2019-09-12

Rotating machine control device and electric power steering control device

#61
20190276071
2019-09-12

Electric power steering apparatus

#62
20190267910
2019-08-29

Solar hybrid solution for single phase starting capacitor motor applications

#63
20190229657
2019-07-25

Off-grid power generating apparatus for providing dual output voltage

#64
20190165714
2019-05-30

Power output device

#65
20190160968
2019-05-30

Electric drive system of a hybrid or electric vehicle

#66
20190115808
2019-04-18

Motor control device and robot system

#67
20190089146
2019-03-21

Soft-starter AC-AC converter with integrated solid-state circuit breaker and method of operation thereof

#68
20190020298
2019-01-17

Control device for an inverter

#69
20180294760
2018-10-11

Electric motors with neutral voltage sensing

#70
20180287539
2018-10-04

Pump assembly and controlling method

#71
20180241340
2018-08-23

Motor drive control device

#72
20180234044
2018-08-16

Electric submersible pump variable speed drive controller

#73
20180180095
2018-06-28

Control device and a method for controlling magnetic levitation and torque generation

#74
20180175768
2018-06-21

Motor drive with independent physical backplane communication

#75
20180153032
2018-05-31

Semiconductor device

#76
20180109202
2018-04-19

Converter including multiple controllable two-pole submodules connected in series

#77
20180062546
2018-03-01

Motor driving circuit, application device including the same, and braking method for a motor

#78
20180006594
2018-01-04

Electric drive device and control method for same

#79
20170324308
2017-11-09

Driver circuit for electric motors

#80
20170317634
2017-11-02

Divided phase AC synchronous motor controller

#81
20170279377
2017-09-28

Motor drive apparatus and air conditioner

#82
20170229634
2017-08-10

Piezoelectric driving device, robot, and driving method of the same

#83
20170166248
2017-06-15

Electric power steering device

#84
20170085204
2017-03-23

SPEED CONTROL OF AN INDUCTION MOTOR

#85
20160126876
2016-05-05

Divided phase AC synchronous motor controller

#86
20160118922
2016-04-28

Drive battery for in-phase operation of an electric motor, drive system and a method for operating the drive system

#87
20160068066
2016-03-10

External power supply system

#88
20160049574
2016-02-18

Piezoelectric driving device, robot, and driving method of the same

#89
20160043682
2016-02-11

Divided phase AC synchronous motor controller

#90
20160028341
2016-01-28

SYSTEMS AND METHODS FOR ZERO COMMON MODE VOLTAGE

#91
20150349690
2015-12-03

Driving Signal Generator and Method of Generating Driving Signal

#92
20150270801
2015-09-24

Energy storage device, system comprising an energy storage device, and method for actuating an energy storage device

#93
20150256115
2015-09-10

Wirelessly powered electric motor

#94
20150249420
2015-09-03

Modular motor drive communication system and method

#95
20150241514
2015-08-27

Switchgear for a single-phase motor and a three-phase motor

#96
20150146398
2015-05-28

Motor driving device with printed board including insulating component mounted thereon

#97
20150121929
2015-05-07

Motor incorporating power converter, and air conditioner, water heater, and ventilation blower incorporating the motor

#98
20150008859
2015-01-08

Power conversion apparatus and electrical-mechanical energy conversion system

#99
20140375242
2014-12-25

Depletion mode group III-V transistor with high voltage group IV enable switch

#100
20140161646
2014-06-12

Electric drivetrain of a device, and gas compression equipment including such a drivetrain

#101
20140152228
2014-06-05

Divided phase AC synchronous motor controller

#102
20140152200
2014-06-05

Portable service controller for electro-mechanical actuators

#103
20140145664
2014-05-29

Power inverter including SiC JFETs

#104
20140111134
2014-04-24

Mitigation of Harmonic Currents and Conservation of Power in Non-Linear Load Systems

#105
20130175967
2013-07-11

Motor controller

#106
20130106323
2013-05-02

Control Device and Method for Controlling an AC Motor

#107
20120194030
2012-08-02

Force Balanced Multivoltage Winding Configuration

#108
20120169051
2012-07-05

Emergency adjustment device for blade pitch adjustment systems for wind energy installations

#109
20120049523
2012-03-01

WIND JET TURBINE II

#110
20110316462
2011-12-29

Electric device for driving mechanical equipment and associated method

#111
20110121775
2011-05-26

Mitigation of harmonic currents and conservation of power in non-linear load systems

#112
20100253251
2010-10-07

Device for supplying energy to a long stator winding having multiple winding sections

#113
20100213921
2010-08-26

Pre-charging an inverter using an auxiliary winding

#114
20100211241
2010-08-19

High performance and improved efficiency electric vehicle and methods of production

#115
20100148717
2010-06-17

Asynchronous AC induction electrical machines in cross-interlockingly parallel connection

#116
20100148716
2010-06-17

Asynchronous AC induction electrical machines in cross-interlockingly parallel connection

#117
20100148617
2010-06-17

Asynchronous AC induction electrical machines in cross-interlockingly parallel connection

#118
20100148616
2010-06-17

Asynchronous AC induction electrical machines in cross-interlockingly series connection

#119
20100133944
2010-06-03

Rotating electric machine and drive system thereof

#120
20100090641
2010-04-15

Operation control method and operation control apparatus for variable speed generator-motor

#121
20100026232
2010-02-04

Mitigation of harmonic currents and conservation of power in non-linear load systems

#122
20090309536
2009-12-17

Variable voltage supply system

#123
20090236922
2009-09-24

High-efficiency, variable-speed permanent magnet motor and control system

#124
20090162220
2009-06-25

Vacuum pump

#125
20090115271
2009-05-07

Outer rotor type multipolar generator

#126
20090058335
2009-03-05

Control system for bearingless motor-generator

#127
20080296970
2008-12-04

Multiple prime power source locomotive control

#128
20080169651
2008-07-17

AC power supplying system, power supply apparatus, and vehicle having the same

#129
20080094021
2008-04-24

Mitigation of harmonic currents and conservation of power in non-linear load systems

#130
20080073135
2008-03-27

Power output apparatus and vehicle having the same

#131
20070273236
2007-11-29

Electrical machine with part-winding circuit

#132
20070247104
2007-10-25

Mitigation of harmonic currents and conservation of power in non-linear load systems

#133
20070024147
2007-02-01

Selective alignment of stators in axial airgap electric devices comprising low-loss materials

#134
20060266256
2006-11-30

Multiple prime power source locomotive control

#135
20060266255
2006-11-30

Locomotive engine start method

#136
20060266044
2006-11-30

Alternator boost method

#137
20060192535
2006-08-31

Fixed frequency electrical generation system with induction coupler and use thereof in an aircraft

#138
20060108961
2006-05-25

Multi-axis motor control device resonance frequency detection device

#139
20050073281
2005-04-07

Electromagnetic motor

#140
15493490
2018-06-12

Electric submersible pump variable speed drive controller