ClassID:

217669

H02K49/106 - CPC Classification

Classification description:

Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type; Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with a radial air gap

Recent Application in this class:
#1
20250327436
2025-10-23

UNDERWATER CURRENT TURBINE USING AUTOMATIC BLADE PITCH POSITIONING

#2
20250297613
2025-09-25

MOTOR ASSEMBLY FOR AN APPLIANCE SUCH AS A VACUUM CLEANER AND A VACUUM CLEANER HAVING SAME

#3
20250286416
2025-09-11

ROTOR AND ASSOCIATED ELECTRIC MACHINE, MOTOR COMPRESSOR AND MAGNETIC COUPLING

#4
20250230788
2025-07-17

Apparatus and Method for Generating Electricity from the Natural Flow of a Gas Well

#5
20250149961
2025-05-08

METHODS AND APPARATUS FOR A FLUX-MODULATED PERMANENT MAGNET CLUTCH

#6
20250121944
2025-04-17

MAGNETIC LOCKING SYSTEM OF AN ELECTRIC AIRCRAFT ROTOR AND METHODS THEREOF

#7
20250112537
2025-04-03

MAGNETIC COGGING PARALLEL-ELASTIC ACTUATOR

#8
20240380300
2024-11-14

Methods and apparatus for a flux-modulated permanent magnet clutch

#9
20240348141
2024-10-17

MAGNETIC COUPLER FOR RETROFIT PROPULSION SYSTEM

#10
20240291350
2024-08-29

HOLDING DEVICE AND HOLDING SYSTEM

#11
20240266936
2024-08-08

PERMANENT MAGNET ROTOR MAGNETIC COUPLING BASED ON DOUBLE-SIDED STEPPED STRUCTURE AND THREE-DIMENSIONAL HALBACH MAGNETIC POLE ARRANGEMENT

#12
20240223061
2024-07-04

Magnetic Coupling Assembly

#13
20240167366
2024-05-23

MAGNETIC COUPLING TO TRANSFER TORQUE ACROSS HERMETIC CHAMBER WALLS

#14
20240125034
2024-04-18

CLOTHES TREATING APPARATUS

#15
20240060495
2024-02-22

FAN AND MOTOR ASSEMBLY FOR AN APPLIANCE SUCH AS A VACUUM CLEANER AND A VACUUM CLEANER HAVING SAME

#16
20240036067
2024-02-01

AUTOSAMPLER RAIL SYSTEM WITH MAGNETIC COUPLING FOR LINEAR MOTION

#17
20240011411
2024-01-11

TURBINE-GENERATOR ASSEMBLY WITH MAGNETIC COUPLING

#18
20230358237
2023-11-09

LAYERED BARRIER CANS FOR PUMPS AND METHODS OF PRODUCING THE SAME

#19
20230348080
2023-11-02

Magnetic locking system of an electric aircraft rotor and methods thereof

#20
20230046584
2023-02-16

MAGNETIC POLE PIECE DEVICE AND MAGNETIC GEAR

#21
20230019168
2023-01-19

Latch activation between members

#22
20220263435
2022-08-18

Fan and motor assembly for an appliance such as a vacuum cleaner and a vacuum cleaner having same

#23
20220190702
2022-06-16

Split can

#24
20220099634
2022-03-31

SAMPLE INTRODUCTION DEVICES AND SYSTEMS AND METHODS OF USING AND PRODUCING THEM

#25
20220045593
2022-02-10

Energy generation

#26
20210359587
2021-11-18

Coaxial double-rotor variable-speed electromagnetic drive

#27
20210313869
2021-10-07

PERMANENT-MAGNETIC RADIAL ROTATING JOINT AND MICROPUMP COMPRISING SUCH A RADIAL ROTATING JOINT

#28
20210313868
2021-10-07

Retarder-equipped rotating electrical machine

#29
20210293835
2021-09-23

Autosampler rail system with magnetic coupling for linear motion

#30
20210246901
2021-08-12

MAGNETICALLY COUPLED PUMP HAVING A DOUBLE-SHELL SPLIT CAN

#31
20210231180
2021-07-29

Latch activation between members

#32
20210203218
2021-07-01

Electronic clutch-coupled motor assembly and driving device for washing machine having same

#33
20210172449
2021-06-10

Compact centrifugal pump with magnetically suspended impeller

#34
20210044197
2021-02-11

Scalable hysteresis clutch

#35
20200386285
2020-12-10

Latch activation between members

#36
20200373793
2020-11-26

Bi-material integrated polepiece

#37
20200362979
2020-11-19

System for determining the stack closure pressure of a brake stack

#38
20200343805
2020-10-29

Magnetic coupling

#39
20200306433
2020-10-01

Medical Pump Drive, Pump And Medical Treatment Apparatus

#40
20200291946
2020-09-17

Magnetic coupling assemblies and pump, turbine, and compressor including the magnetic coupling assembly

#41
20200240402
2020-07-30

Cylindrical magnetic coupling with alternating polarity

#42
20200186020
2020-06-11

Magnetic coupling device

#43
20200155740
2020-05-21

Centrifugal blood pump device

#44
20200136492
2020-04-30

IMPROVED MAGNETIC CLUTCH ASSEMBLY

#45
20200067397
2020-02-27

EDDY CURRENT RETARDER

#46
20200025255
2020-01-23

Axial shaft coupling

#47
20200018318
2020-01-16

Compact centrifugal pump with magnetically suspended impeller

#48
20190393764
2019-12-26

Eddy current retarder with electricity generating function

#49
20190267884
2019-08-29

Device and method for using a magnetic clutch in BLDC motors

#50
20190173369
2019-06-06

Magnetic coupling control device and magnetic coupling device

#51
20190077531
2019-03-14

Dosing apparatus for powder products

#52
20190017509
2019-01-17

Fluid pump assembly

#53
20190006932
2019-01-03

Magnetic clutch arrangement and apparatus comprising a magnetic clutch arrangement

#54
20180320691
2018-11-08

High temperature pump unit with magnetic coupling

#55
20180298981
2018-10-18

Liquid damper system

#56
20180294707
2018-10-11

Magnetic clutch device

#57
20180278139
2018-09-27

Magnetic transmission

#58
20180212500
2018-07-26

Magnetic coupling

#59
20180187794
2018-07-05

Asymmetric torque magnetic valve actuator

#60
20180066739
2018-03-08

Drive force transmission device

#61
20180013372
2018-01-11

Permanent magnet speed governor having fixed magnetic gap

#62
20170346383
2017-11-30

COAXIAL SHAFT SYSTEM

#63
20170328424
2017-11-16

Latch activation between members

#64
20170317573
2017-11-02

Magnetic coupling device for transmitting rotational motions without contact

#65
20170271971
2017-09-21

MAGNETIC COUPLING

#66
20170227070
2017-08-10

MAGNETIC CLUTCH

#67
20170222537
2017-08-03

Winding-type permanent magnet coupling transmission device

#68
20170201168
2017-07-13

Magnetic coupling rotor

#69
20170130722
2017-05-11

Magnetic liquid pump assembly with shaft and axle arrangement

#70
20170098990
2017-04-06

Self-alignment protection device for permanent-magnet coupling

#71
20170005561
2017-01-05

Eddy current retarder with electricity generating function

#72
20160285329
2016-09-29

Compact implementation for a high-efficiency, variable-speed permanent magnet motor

#73
20160248313
2016-08-25

Electric Water Pump

#74
20160241123
2016-08-18

Magnetic gear device

#75
20160168964
2016-06-16

Magnetic coupling unit for submersible well pumps

#76
20160160750
2016-06-09

SYSTEM FOR UTILIZING WASTE HEAT FROM AN EXHAUST GAS SYSTEM

#77
20160123328
2016-05-05

Pump arrangement and method for producing a containment shell for the pump arrangement

#78
20160053589
2016-02-25

Electrical power generation system

#79
20160049855
2016-02-18

MAGNETIC CYCLOID GEAR

#80
20160043619
2016-02-11

Double-stator rotating electric machine

#81
20160040675
2016-02-11

Magnetic coupling for motor drive shaft of electrical submersible pump

#82
20160028299
2016-01-28

Device and method for using a magnetic clutch in BLDC motors

#83
20150316072
2015-11-05

Coupling an electric machine and fluid-end

#84
20150260191
2015-09-17

Rotary device having a radial magnetic coupling

#85
20150222169
2015-08-06

Resistance generating device for drive unit

#86
20150222168
2015-08-06

Resistance generating device

#87
20150171694
2015-06-18

Halbach motor and generator

#88
20150128761
2015-05-14

Transmission device

#89
20150108863
2015-04-23

Non-contact power transmission apparatus

#90
20150107907
2015-04-23

Systems and methods to reduce oscillations in magnetic couplings

#91
20150087889
2015-03-26

Blood pump

#92
20150061439
2015-03-05

Magnetic reluctance coupling having two rotors

#93
20150048704
2015-02-19

Double stator permanent magnet machine

#94
20150018168
2015-01-15

Magnetic gears, and related systems and methods

#95
20140368942
2014-12-18

Optical element switching system using a Halbach array

#96
20140349804
2014-11-27

Roller device for a traction mechanism drive of a motor vehicle

#97
20140333397
2014-11-13

Flywheel

#98
20140265692
2014-09-18

PARTIAL FLOW GUIDE, IN PARTICULAR OF A MAGNETIC COUPLING PUMP

#99
20140234142
2014-08-21

Device for transmitting power through rotating magnetic fields

#100
20140203678
2014-07-24

Magnetic coupling

#101
20140077646
2014-03-20

Shaft coupling apparatus, rotary fluid damper, and deployable device with magnetic coupling mechanism

#102
20140066214
2014-03-06

Magnetic drive coupling apparatus

#103
20140023535
2014-01-23

Drive unit of magnetic coupling pump and magnetic coupling pump unit

#104
20140001004
2014-01-02

Split case of a magnetic coupling, in particular of a magnetic coupling pump

#105
20130320795
2013-12-05

Magnetic gear mechanism

#106
20130133285
2013-05-30

Apparatus for treating containers with contactless torque generation

#107
20130127278
2013-05-23

Magnetic gear device and holding member

#108
20130123026
2013-05-16

MAGNETIC DRIVE POWER TRANSFER SYSTEM

#109
20130119804
2013-05-16

MAGNETIC COUPLER

#110
20130113317
2013-05-09

Permanent magnet coupling

#111
20130094981
2013-04-18

Passive drive motors and passive fans for use therewith

#112
20130057101
2013-03-07

Devices, systems, and methods for energy conversion

#113
20130057098
2013-03-07

Sealed transmission device for helium space of high temperature gas cooled reactor and drive device thereof

#114
20130000991
2013-01-03

Systems and methods to reduce oscillations in magnetic couplings

#115
20120313472
2012-12-13

MAGNETIC PARTICLE INDUCED PLUGGING RESISTANT MAGNETIC COUPLING

#116
20120293031
2012-11-22

COUPLER

#117
20120286609
2012-11-15

Torque transmission device

#118
20120280586
2012-11-08

PERMANENT MAGNET COUPLING

#119
20120262017
2012-10-18

MAGNETIC CLUTCH FOR THE TRANSMISSION OF TIGHTENING TORQUE

#120
20120243366
2012-09-27

Device for stirring

#121
20120194019
2012-08-02

Dynamically induced and reactive magnetic hysteresis applications and methods

#122
20120156071
2012-06-21

Disposable magnetically-levitated centrifugal pump

#123
20120132489
2012-05-31

Motor Vehicle Having A Retarder

#124
20120120516
2012-05-17

Optical element switching system using a Halbach array

#125
20120111689
2012-05-10

FLYWHEEL

#126
20120098374
2012-04-26

VARIABLE-SPEED MAGNETIC COUPLING AND METHOD FOR CONTROL

#127
20110271867
2011-11-10

Linear permanent magnet driving system and permanent magnet driving and magnetic suspension roadway system

#128
20110234035
2011-09-29

MAGNETIC COUPLING AND SPLIT CASE FOR A MAGNETIC COUPLING

#129
20110181141
2011-07-28

Electric motor and position holding device for such an electric motor

#130
20110155532
2011-06-30

CLUTCH DEVICE

#131
20110076136
2011-03-31

Gas compressor magnetic coupler

#132
20110057530
2011-03-10

Vacuum mechanical rotation-transmitting apparatus

#133
20110031837
2011-02-10

Magnetic coupling device having first and second rotating members arranged with opposing interaction surfaces

#134
20110012454
2011-01-20

Directed flux motor

#135
20110012453
2011-01-20

Directed flux motor

#136
20100307285
2010-12-09

Kinetic energy accumulator and an energy transfer system incorporating a kinetic energy accumulator

#137
20100259121
2010-10-14

POWER TRANSMISSION DEVICE

#138
20100237732
2010-09-23

Magnetic drive arrangement

#139
20100212259
2010-08-26

Apparatus for closing containers with contactless torque generation

#140
20100170763
2010-07-08

Transmission device having overload protection subassembly

#141
20100156222
2010-06-24

Dual motor

#142
20100147619
2010-06-17

Methods and systems involving electromagnetic torsion bars

#143
20100043427
2010-02-25

POWER TRANSMISSION MECHANISM AND EXHAUST HEAT RECOVERY APPARATUS

#144
20090261531
2009-10-22

Magnetic seal assembly

#145
20090256451
2009-10-15

ARRANGEMENT FOR GENERATING A NON-LINEAR FORCE OR TORQUE CURVE

#146
20090039724
2009-02-12

Directed flux motor

#147
20090004037
2009-01-01

Magnetic bearing and coupling device

#148
20080207336
2008-08-28

Magnetic coupling and camera platform using magnetic coupling

#149
20080191572
2008-08-14

Skewed magnetic torque coupling systems and methods thereof

#150
20080150383
2008-06-26

Magnetic torque limiter

#151
20080090694
2008-04-17

Torque transfer system, method of using the same, method of fabricating the same, and apparatus for monitoring the same

#152
20070296295
2007-12-27

Centrifugal magnetic clutch

#153
20070216504
2007-09-20

Bi-stable magnetic latch assembly

#154
20070205681
2007-09-06

Apparatus for transferring torque magnetically

#155
20070182262
2007-08-09

Magnetic transmission

#156
20070151337
2007-07-05

Magnetically coupled drive for a sealed liquid level sender

#157
20070109082
2007-05-17

Power drive unit electromagnetic latch

#158
20070056285
2007-03-15

Monocoque turbo-generator

#159
20070007771
2007-01-11

Energy recovery system

#160
20060290217
2006-12-28

Position retention device

#161
20060288560
2006-12-28

Assembly and method for pre-stressing a magnetic coupling canister

#162
20060169101
2006-08-03

Mechanical transmission for aeronautical applications

#163
20060073766
2006-04-06

Magnetic spindle for machine tool

#164
20060006751
2006-01-12

Magnetic brake for window covering powered by DC motor

#165
20050206260
2005-09-22

Magnetic rotation transmitting device, hermetic stirring unit, and electric furnace

#166
20050189830
2005-09-01

Apparatus for transferring torque magnetically

#167
20050117449
2005-06-02

Sterile fluid pumping or mixing system and related method

#168
17208417
2022-06-14

Rotating pressure generator

#169
15965716
2019-10-01

Between-bearing magnetic coupling

#170
15856567
2019-12-31

Progressive magnetic rotation motor

#171
14719077
2016-09-27

Magnetic propulsion system