ClassID:

217511

H02K21/38 - CPC Classification

Classification description:

Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating flux distributors, and armatures and magnets both stationary

Sub-classes:
Recent Application in this class:
#1
20250062668
2025-02-20

SYSTEM AND METHOD FOR PERMANENT MAGNET ASSISTED SYNCHRONOUS RELUCTANCE MOTOR CONTROL FROM ZERO OR LOW SPEED

#2
20220263397
2022-08-18

Electromagnetic generator and method of using same

#3
20200204053
2020-06-25

Single stack multiphase transverse flux machines

#4
20200119629
2020-04-16

Parallel magnetic circuit motor

#5
20200028421
2020-01-23

Electromagnetic generator and method of using same

#6
20190356205
2019-11-21

Energy conserving power generator

#7
20190058381
2019-02-21

Rotating electric machine

#8
20180358877
2018-12-13

Three phase flux switching electric machine with orthogonally oriented magnets

#9
20180331607
2018-11-15

Polyphase transverse flux machine

#10
20180301968
2018-10-18

Double stator permanent magnet linear motor and design method for increasing magnetic field modulation

#11
20170302145
2017-10-19

Electromagnetic rotary drive and rotational device

#12
20170250594
2017-08-31

Electric motor

#13
20170007973
2017-01-12

Mixing apparatus and single-use apparatus for a mixing apparatus

#14
20170005557
2017-01-05

Bistable electromagnetic actuator and surgical instrument

#15
20160329797
2016-11-10

BRUSHLESS DC MOTOR

#16
20160301290
2016-10-13

ELECTRIC GENERATOR

#17
20160028276
2016-01-28

System and method for preventing stator permanent magnet demagnetization during vacuum pressure impregnation

#18
20150364979
2015-12-17

Magnetic electricity generator

#19
20150180321
2015-06-25

Electromagnetic generator and method of using same

#20
20150084472
2015-03-26

Electrical Power Motor-Generator Excited by Magnetic Transference

#21
20140265696
2014-09-18

Electromagnetic generator transformer

#22
20140103752
2014-04-17

Hybrid motor

#23
20140062242
2014-03-06

Transverse flux permanent magnet rotatory device

#24
20130169095
2013-07-04

Synchronous rotary electric machine having a double excitation rotor

#25
20130162066
2013-06-27

Electrical Machine for a Wind Energy Installation

#26
20130134815
2013-05-30

Large magnetically geared machines

#27
20120326539
2012-12-27

Electrical machine with contra-rotating rotors

#28
20120306296
2012-12-06

SWITCHED RELUCTANCE MOTOR

#29
20120007458
2012-01-12

Electrical machine

#30
20110210634
2011-09-01

Rotating electrical machine, in particular for a motor vehicle starter

#31
20110089775
2011-04-21

Parallel magnetic circuit motor

#32
20110025239
2011-02-03

Electro-motive machine using Halbach array and electrons trapped in electromagnetic providing current

#33
20110012461
2011-01-20

Permanent Magnet Synchronization Motor

#34
20100237729
2010-09-23

MOTION CONVERSION DEVICE

#35
20100237624
2010-09-23

Impulse rotor generator

#36
20100213885
2010-08-26

Magnetic flux controllable rotating electric machine system

#37
20100187934
2010-07-29

Axial gap rotary electric machine and rotary driving device

#38
20100176679
2010-07-15

Magnetic flux controllable rotating electric machine system

#39
20100176677
2010-07-15

Electric rotating machine with salient poles

#40
20100026129
2010-02-04

METHOD OF GENERATING ELECTRICAL POTENTIAL FROM A STATIONARY MAGNET AND A STATIONARY CONDUCTOR

#41
20090043426
2009-02-12

Apparatus and method for controlling fan motor of air conditioner

#42
20080197739
2008-08-21

AC electric motor

#43
20070247007
2007-10-25

Magnetic micropositioner and method of providing the same

#44
20070242406
2007-10-18

ELECTRICITY GENERATING APPARATUS UTILIZING A SINGLE MAGNETIC FLUX PATH

#45
20070029889
2007-02-08

Electro-motive machine using Halbach array

#46
20060056822
2006-03-16

Brushless direct current motor and driver thereof

#47
20060038454
2006-02-23

DC induction electric motor-generator

#48
18234000
2024-02-06

System and method for permanent magnet assisted synchronous reluctance motor control from zero or low speed

#49
18097134
2024-08-27

Shield generator

#50
16153015
2023-01-17

Shield generator