ClassID:

217670

H02K49/108 - 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 an axial air gap

Recent Application in this class:
#1
20260081510
2026-03-19

MAGNETIC COUPLING DEVICE

#2
20260001399
2026-01-01

DIGITAL AND ANALOGUE INSTRUMENT FOR A VEHICLE WITH MAGNETIC COUPLING

#3
20250333159
2025-10-30

CORRELATED MAGNET THRESHOLD CLUTCH AND METHODS THEREOF

#4
20250323561
2025-10-16

Integrated Electromagnetic and Piston Drive System for High-Efficiency Load Pulling

#5
20250297613
2025-09-25

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

#6
20250122879
2025-04-17

FLUID PUMP ASSEMBLY

#7
20250112538
2025-04-03

Magnetic coupling device

#8
20250035185
2025-01-30

MECHANICAL RENEWABLE GREEN ENERGY PRODUCTION

#9
20240405653
2024-12-05

AIR GAP MAGNETIC COUPLING WITH THERMAL ISOLATION

#10
20240192462
2024-06-13

Electronic Devices With Movable Optical Assemblies

#11
20240167477
2024-05-23

Aquarium fluid pump assembly with magnectic rotator

#12
20240159239
2024-05-16

Power tool having a motor shaft and a fan wheel, wherein there is a magnetic coupling between the motor shaft and the fan wheel

#13
20240060495
2024-02-22

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

#14
20230358235
2023-11-09

AXIAL FLUX MOTOR DRIVEN PUMP SYSTEMS FOR PRESSURIZING FLUID IN CLOSED LOOP SYSTEMS

#15
20230261505
2023-08-17

Mechanical renewable green energy production

#16
20230243390
2023-08-03

NON-CONTACT NO-LOAD POWER TRANSMISSION DEVICE

#17
20230208272
2023-06-29

SYSTEMS AND METHODS FOR MAGNETIC ROTATIONAL COUPLING DEVICES

#18
20230193932
2023-06-22

Energy storage system

#19
20230063369
2023-03-02

MAGNETIC PEAK LOAD AVERSION IN A WAVE ENERGY CONVERSION SYSTEM

#20
20230020990
2023-01-19

Fluid pump assembly

#21
20230013386
2023-01-19

ADJUSTING DEVICE

#22
20220407403
2022-12-22

Magnetic coupling element with a magnetic bearing function

#23
20220320989
2022-10-06

Electromagnetic coupling device

#24
20220294328
2022-09-15

Drive device having drive transmission device

#25
20220263435
2022-08-18

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

#26
20220224215
2022-07-14

Magnetic coupler

#27
20220221316
2022-07-14

Fluid Monitoring Apparatus

#28
20220045594
2022-02-10

Linearly actuated magnetic coupling device

#29
20210384812
2021-12-09

End-face rotating joint for transmitting torques

#30
20210348607
2021-11-11

Air gap magnetic coupling with counterbalanced force

#31
20210320580
2021-10-14

Torque-increasing device

#32
20210317693
2021-10-14

Toothed holding brake for a vehicle door and method for operating a toothed holding brake

#33
20210273546
2021-09-02

Magnetic rack-and-pinion coupling system and sea wave energy conversion system

#34
20210260988
2021-08-26

Magnetic couplers for shaft assembly

#35
20210194322
2021-06-24

Mechanical energy harvesting system for converting kinetic energy of a user having a trunk and limb portions into electricity

#36
20210190074
2021-06-24

Magnetic spinner device with reels in a lower housing with a removably attachable lower portion

#37
20210179242
2021-06-17

System and apparatus for attaching and transporting an autonomous vehicle

#38
20210148435
2021-05-20

Mechanical renewable green energy production

#39
20210116046
2021-04-22

Valve device

#40
20210111617
2021-04-15

Magnetic coupler

#41
20210077961
2021-03-18

Magnetic mixers

#42
20210075308
2021-03-11

Systems and methods for magnetic rotational coupling devices

#43
20200395820
2020-12-17

Magnetic drive having a liquid-cooled high torgue and high-power apparatus

#44
20200386289
2020-12-10

Magnetically-coupled torque-assist apparatus

#45
20200350812
2020-11-05

Magnetic coupling element with a magnetic bearing function

#46
20200284374
2020-09-10

Magnetically coupled actuator and lead screw control for a variable pressure pilot valve

#47
20200282417
2020-09-10

Programmable electronically controlled rotary sprinkler system and method of operation

#48
20200281137
2020-09-10

Magnetically coupled actuator and limit switch for a flow diverter

#49
20200281136
2020-09-10

Magnetically coupled actuator and limit switch assembly for a sealed chamber system

#50
20200220446
2020-07-09

Magnetically-coupled torque-assist apparatus

#51
20200153326
2020-05-14

Disc-type speed regulation magnetic coupler based on bevel gear drive

#52
20200127550
2020-04-23

Operating device

#53
20200095996
2020-03-26

Fluid pump assembly

#54
20200025255
2020-01-23

Axial shaft coupling

#55
20200025247
2020-01-23

Gas laser apparatus and magnetic bearing control method

#56
20190390723
2019-12-26

Electromechanical storm brake actuator

#57
20190282980
2019-09-19

Magnetic mixers

#58
20190238043
2019-08-01

Torque transfer across an air gap

#59
20190178310
2019-06-13

Viscous clutch and associated electromagnetic coil

#60
20190173369
2019-06-06

Magnetic coupling control device and magnetic coupling device

#61
20190154127
2019-05-23

Variable speed transmission and system using same

#62
20190123630
2019-04-25

CONTINUOUSLY VARIABLE MAGNETIC REDUCTION DRIVE AND CLUTCH

#63
20190077531
2019-03-14

Dosing apparatus for powder products

#64
20190052163
2019-02-14

Magnetic coupling assembly

#65
20190017509
2019-01-17

Fluid pump assembly

#66
20190006932
2019-01-03

Magnetic clutch arrangement and apparatus comprising a magnetic clutch arrangement

#67
20180358881
2018-12-13

Rotating machine having magnetically actuated pistons

#68
20180320696
2018-11-08

Air cooling apparatus having an expander driven by a power transmission using a rotating magnetic field

#69
20180241331
2018-08-23

Current-shaping circuit for use with magnetic couplers downhole

#70
20180152076
2018-05-31

Integrated flywheel energy storage system

#71
20180141011
2018-05-24

Magnetic coupling assembly for coupling stir bar in magnetic stirrer mixer and magnetic stirrer mixer using the same

#72
20180138796
2018-05-17

ROTATIONAL POWER TRANSMISSION MECHANISM AND HEAT TREATMENT FURNACE

#73
20180066580
2018-03-08

TURBINE WHEEL ARRANGEMENT FOR A TURBINE

#74
20170350485
2017-12-07

Reversible continuously spinning transmission for electric motors

#75
20170310200
2017-10-26

FIXED MAGNETIC GAP PERMANENT MAGNET SPEED GOVERNOR

#76
20170246825
2017-08-31

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

#77
20170201169
2017-07-13

Power transmission apparatus using magnetic field

#78
20170201167
2017-07-13

Magnetic gear with a magnetic flux conductor arrangement

#79
20170141672
2017-05-18

Magnet to magnet couplings and drives

#80
20170098990
2017-04-06

Self-alignment protection device for permanent-magnet coupling

#81
20170080136
2017-03-23

Magnetic coupling

#82
20160241122
2016-08-18

Eddy-current magnet ring

#83
20160043619
2016-02-11

Double-stator rotating electric machine

#84
20160040675
2016-02-11

Magnetic coupling for motor drive shaft of electrical submersible pump

#85
20160036311
2016-02-04

MAGNETIC CLUTCH SYSTEMS AND METHODS

#86
20150380999
2015-12-31

Permanent magnet machine with segmented sleeve for magnets

#87
20150333608
2015-11-19

Repulsive force conversion drives and centrifugal force conversion

#88
20150207394
2015-07-23

Magnet power transmission

#89
20150048704
2015-02-19

Double stator permanent magnet machine

#90
20140349804
2014-11-27

Roller device for a traction mechanism drive of a motor vehicle

#91
20140234143
2014-08-21

Magnetic pump assembly with shaft and axle arrangement

#92
20140117824
2014-05-01

Constant-temperature device provided with rotating specimen table

#93
20140077646
2014-03-20

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

#94
20140062241
2014-03-06

Magnetic shear force transfer device

#95
20140030122
2014-01-30

Rotation drive device and centrifugal pump apparatus employing same

#96
20130127279
2013-05-23

Repulsive force conversion drives and centrifugal force conversion

#97
20130127278
2013-05-23

Magnetic gear device and holding member

#98
20130094981
2013-04-18

Passive drive motors and passive fans for use therewith

#99
20130057101
2013-03-07

Devices, systems, and methods for energy conversion

#100
20130057098
2013-03-07

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

#101
20120294735
2012-11-22

Coupling system for use with fluid displacement apparatus

#102
20120286592
2012-11-15

Permanent magnet operating machine

#103
20120205216
2012-08-16

Drive system for hermetic applications and device having such drive system

#104
20120194019
2012-08-02

Dynamically induced and reactive magnetic hysteresis applications and methods

#105
20120017840
2012-01-26

Aquarium having improved filtration system with neutral buoyancy substrate, pump and sediment removal system

#106
20110211982
2011-09-01

Magnetic liquid pump assembly with shaft and axle arrangement

#107
20110132901
2011-06-09

TRANSVERSE-MOVING MAGNET MAGNETIC HEATER

#108
20110076136
2011-03-31

Gas compressor magnetic coupler

#109
20110031837
2011-02-10

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

#110
20100308947
2010-12-09

MAGNETIC COUPLING DEVICES

#111
20100289200
2010-11-18

Noncontact rotating processor

#112
20100259121
2010-10-14

POWER TRANSMISSION DEVICE

#113
20100186179
2010-07-29

Reciprocating workpiece device with a drive system seeking the resonance of the driven system portion thereof

#114
20100079023
2010-04-01

REPULSIVE FORCE CONVERSION DRIVES AND CENTRIFUGAL FORCE CONVERSION

#115
20100052834
2010-03-04

Magnetic coupler

#116
20100043427
2010-02-25

POWER TRANSMISSION MECHANISM AND EXHAUST HEAT RECOVERY APPARATUS

#117
20090251113
2009-10-08

Cordless power transfer

#118
20090218753
2009-09-03

Device for the torque limitation in a machine for processing means of payment

#119
20090120967
2009-05-14

Coupling system for use with fluid displacement apparatus

#120
20080318184
2008-12-25

Vibratory Dental Tool

#121
20080296987
2008-12-04

REPULSIVE FORCE CONVERSION DRIVE

#122
20080296982
2008-12-04

Remote electrical equipment power source

#123
20080290750
2008-11-27

Drive motor system

#124
20080207336
2008-08-28

Magnetic coupling and camera platform using magnetic coupling

#125
20080122306
2008-05-29

Magnet Gear Device

#126
20080099467
2008-05-01

CONTROLLED TORQUE MAGNETIC HEAT GENERATION

#127
20080030090
2008-02-07

Magnetic power transmission system with RD motor

#128
20070290935
2007-12-20

Antenna control system

#129
20070284956
2007-12-13

Assembly for generating energy by magnetic polar repulsion

#130
20070262666
2007-11-15

Power generating systems

#131
20070236092
2007-10-11

Power generating systems

#132
20070228854
2007-10-04

Power generating systems

#133
20070228853
2007-10-04

Power generating systems

#134
20070228849
2007-10-04

Power generating systems

#135
20070216246
2007-09-20

Power generating systems

#136
20070199780
2007-08-30

Method for adjusting a braking torque and permanently excited magnetic hysteresis brake

#137
20070110576
2007-05-17

Blade wheel structure

#138
20070096853
2007-05-03

Indirect power-linking device

#139
20070080595
2007-04-12

Superconductive non-contact rotary device

#140
20070007835
2007-01-11

Power generating systems

#141
20070007771
2007-01-11

Energy recovery system

#142
20060255676
2006-11-16

Power generating systems

#143
20060170304
2006-08-03

Magnetic coupling devices and associated methods

#144
20060111191
2006-05-25

Torque transfer system and method of using the same

#145
20060086729
2006-04-27

Controlled torque magnetic heat generation

#146
20060082235
2006-04-20

System for transmitting motion between means separated by a wall

#147
20060006751
2006-01-12

Magnetic brake for window covering powered by DC motor

#148
20050285466
2005-12-29

Coaxial dynamical system

#149
20050206260
2005-09-22

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

#150
20050117449
2005-06-02

Sterile fluid pumping or mixing system and related method

#151
20050028628
2005-02-10

Non-contact type wheel transmission structure

#152
20050002275
2005-01-06

Axial-pumping impeller apparatus and method for magnetically-coupled mixer