ClassID:

201468

H01F7/04 - CPC Classification

Classification description:

Magnets; Permanent magnets [PM] Means for releasing the attractive force

Recent Application in this class:
#1
20260042101
2026-02-12

SWITCHABLE MAGNETIC FILTER

#2
20260010211
2026-01-08

FOLDABLE ELECTRONIC DEVICE INCLUDING SHAPE MEMORY ALLOY

#3
20250316429
2025-10-09

VARIABLE FIELD MAGNETIC COUPLERS AND METHODS FOR ENGAGING A FERROMAGNETIC WORKPIECE

#4
20250218634
2025-07-03

ELECTRONIC DEVICE, MAGNETIC CONNECTION MECHANISM, AND MAGNETIC ASSEMBLY THEREOF

#5
20250214260
2025-07-03

MAGNETIC COUPLING DEVICE WITH MOVABLE WORKPIECE INTERFACES

#6
20250191821
2025-06-12

ELECTRO-PERMANENT-MAGNET-BASED FORCE PROFILE FOR AN INPUT ELEMENT ON AN INPUT DEVICE

#7
20250164068
2025-05-22

FIXATION STRUCTURE

#8
20250046501
2025-02-06

ELECTRONIC PERMANENT MAGNET AND CONTROL METHOD THEREOF

#9
20240395485
2024-11-28

Variable field magnetic couplers and methods for engaging a ferromagnetic workpiece

#10
20240387087
2024-11-21

MAGNETIC FORCE CONTROL DEVICE AND MAGNETIC BODY HOLDING DEVICE USING SAME

#11
20240355519
2024-10-24

SWITCHABLE MAGNETIC APPARATUS WITH REDUCED SWITCHING FORCE AND METHODS THEREOF

#12
20240186045
2024-06-06

ANCHORING SYSTEM WITH PERMANENT MAGNETS AND OPERATING METHOD THEREFOR

#13
20240128003
2024-04-18

ON-OFF SWITCHABLE MAGNET ASSEMBLY

#14
20240120137
2024-04-11

Mounting jig for manufacturing tiling display device, and tiling display device and manufacturing method therefor

#15
20240109008
2024-04-04

FILTER INTERCONNECTS UTILIZING MAGNETIC SHEAR FORCE GENERATED BY CODED POLYMAGNETS

#16
20240107242
2024-03-28

MAGNETIC RETENTION DEVICE

#17
20240079169
2024-03-07

Electro-permanent-magnet-based force profile for an input element on an input device

#18
20240071668
2024-02-29

DETACHABLE MAGNETIC HOLDING DEVICE

#19
20240047113
2024-02-08

OPTICAL SIGNAL TRANSMISSION DEVICE WITH MAGNETIC INTERFACE COUPLING

#20
20230386714
2023-11-30

RADIAL MAGNETIC SWITCH

#21
20230343530
2023-10-26

Variable field magnetic couplers and methods for engaging a ferromagnetic workpiece

#22
20230241625
2023-08-03

SWITCHABLE MAGNETIC FILTER

#23
20230197323
2023-06-22

Electro-permanent-magnet-based force profile for an input element on an input device

#24
20230170122
2023-06-01

Electromagnet-switchable permanent magnet device

#25
20230170121
2023-06-01

Asymmetrical magnet arrays

#26
20230167919
2023-06-01

Electromagnetic distributor and toilet

#27
20230117992
2023-04-20

Switchable magnet device

#28
20230009228
2023-01-12

Electrical Device with Magnetic Connector

#29
20220406505
2022-12-22

Mounting jig for manufacturing tiling display device, and tiling display device and manufacturing method therefor

#30
20220395946
2022-12-15

Automatic dispensing device

#31
20220354277
2022-11-10

Repositionable bag-retaining device

#32
20220319752
2022-10-06

On-off switchable magnet assembly

#33
20220277876
2022-09-01

Magnetic clamp device

#34
20220104643
2022-04-07

LOCKING KNIFE HOLDER

#35
20220093301
2022-03-24

Asymmetrical magnet arrays

#36
20220028592
2022-01-27

Magnetic buckle device

#37
20210381619
2021-12-09

Electromagnetic distributor and toilet

#38
20210365079
2021-11-25

ADJUSTMENT OF MAGNETIC FORCE IN A COMPUTING DEVICE

#39
20210335529
2021-10-28

Magnetic flux path control device

#40
20210296039
2021-09-23

Electromagnet-switchable permanent magnet device

#41
20210265093
2021-08-26

Magnetic force control device and magnetic body holding device using same

#42
20210210296
2021-07-08

Variable field magnetic couplers and methods for engaging a ferromagnetic workpiece

#43
20210210267
2021-07-08

Dual mode electropermanent magnet array

#44
20210174995
2021-06-10

SERVO-ACTUATED ROTARY MAGNETIC LATCHING MECHANISM AND METHOD

#45
20210127876
2021-05-06

Locking knife holder

#46
20210074459
2021-03-11

Magnet alternating pole array magnetized by one side magnetization to boost magnetic attraction force

#47
20210062559
2021-03-04

Filter interconnects utilizing magnetic shear force generated by coded polymagnets

#48
20210060469
2021-03-04

Filter interconnects utilizing magnetic shear force generated by coded polymagnets

#49
20210043347
2021-02-11

Programmable permanent magnet actuator and a magnetic field generation apparatus and method

#50
20200411233
2020-12-31

Temperature based fluid level estimation in an electrical device

#51
20200401295
2020-12-24

System and method of controlling an electropermanent magnet at a trackpad

#52
20200365306
2020-11-19

Asymmetrical magnet arrays

#53
20200365305
2020-11-19

Electropermanent magnet array

#54
20200273614
2020-08-27

Releasable magnetic coupler

#55
20200273613
2020-08-27

Cover for an electronic device

#56
20200223099
2020-07-16

Programmable soft materials containing ferromagnetic domains and methods of making

#57
20200219641
2020-07-09

Magnet release

#58
20200203048
2020-06-25

Magnetic force control device and magnetic body holding device using same

#59
20200185137
2020-06-11

Electromagnet-switchable permanent magnet device

#60
20200182720
2020-06-11

Device for inspecting clamping means by ultrasounds and method implementing the device

#61
20200075210
2020-03-05

Magnetic Adsorption Device

#62
20190392971
2019-12-26

MAGNETIC FIXINGS AND CONNECTORS

#63
20190207638
2019-07-04

Attachment method and system

#64
20190206435
2019-07-04

Magnet structure, clamping mechanism, and optical disc apparatus

#65
20190180898
2019-06-13

Cover for an electronic device

#66
20190164675
2019-05-30

Magnetic fastener and hinged device using same

#67
20190103797
2019-04-04

Method and apparatus for determining magnetic flux and magnetic force in a solenoid assembly

#68
20190033917
2019-01-31

Dynamically stabilized magnetic array

#69
20180315563
2018-11-01

Variable field magnetic couplers and methods for engaging a ferromagnetic workpiece

#70
20180301262
2018-10-18

Magnetic apparatus

#71
20180053588
2018-02-22

Input device attachment/detachment mechanism for computing devices

#72
20180047490
2018-02-15

Asymmetrical magnet arrays

#73
20180012691
2018-01-11

Cover for an electronic device

#74
20180005745
2018-01-04

Power transmission device

#75
20170372825
2017-12-28

Magnet

#76
20170301446
2017-10-19

Magnetic fixings and connectors

#77
20170287611
2017-10-05

Electromagnetic holding magnet and method for manufacturing, electromagnetic locking element and use of the same

#78
20170154714
2017-06-01

Magnetic casing clamping system

#79
20170133136
2017-05-11

Magnetic substance holding device

#80
20170053725
2017-02-23

Detachable Support Mount using Switchable Permanent Magnet

#81
20170043479
2017-02-16

Detachable device for loading unit of robot, robot, and controlling method of robot using the same

#82
20170011876
2017-01-12

Magnet and actuator

#83
20170011832
2017-01-12

Magnet and method for handling metal sheets

#84
20160318732
2016-11-03

Spool fixation device with bi-stable magnet assemblies

#85
20160289046
2016-10-06

PERMANENT MAGNETIC DEVICE

#86
20160284497
2016-09-29

Dynamically stabilized magnetic array

#87
20160268029
2016-09-15

Voltage-controlled magnetic devices

#88
20160247785
2016-08-25

Magnetic contacts

#89
20160209883
2016-07-21

Cover for an electronic device

#90
20160166060
2016-06-16

Computing accessory mounting apparatus

#91
20160125989
2016-05-05

Permanent magnetic chucking device with large force differential

#92
20160099517
2016-04-07

Magnetic contacting array

#93
20160078989
2016-03-17

Magnetic clamping device for magnetically clamping to a magnetically attracted material and having a dampening means

#94
20160020009
2016-01-21

Magnetic fixings and connectors

#95
20160005519
2016-01-07

Magnetic substance holding device

#96
20150348690
2015-12-03

System for concentrating and controlling magnetic flux of a multi-pole magnetic structure

#97
20150340142
2015-11-26

Magnetic decoupling unit for releasing antitheft devices

#98
20150337575
2015-11-26

Safety, self-latching, magnetic gate latch device

#99
20150287510
2015-10-08

Magnetic substance holding device minimalizing residual magnetism

#100
20150187480
2015-07-02

Magnetic fixings and connectors

#101
20150160696
2015-06-11

Cover

#102
20150070119
2015-03-12

Switchable magnetic lock

#103
20150042428
2015-02-12

Magnet arrays

#104
20150042427
2015-02-12

Magnet arrays

#105
20150035632
2015-02-05

Clamp assembly including permanent magnets and coils for selectively magnetizing and demagnetizing the magnets

#106
20150002979
2015-01-01

Switch structure and electronic device employing same

#107
20140361860
2014-12-11

Magnetic substance holding device using permanent magnet energy control

#108
20140290763
2014-10-02

Controllable normal force mechanism with minimum energy consumption

#109
20140225694
2014-08-14

Remotely addressable magnetic composite micro-actuators

#110
20140182088
2014-07-03

Magnetic attachment system

#111
20140104022
2014-04-17

Intelligent magnetic system

#112
20140090906
2014-04-03

Hull robot drive system

#113
20140077910
2014-03-20

MAGNETIC FIXINGS AND CONNECTORS

#114
20140049894
2014-02-20

Switchable magnetic lock

#115
20140034080
2014-02-06

Magnetic closure

#116
20130341845
2013-12-26

Magnetic device for gripping and clamping workpieces

#117
20130333872
2013-12-19

Magnetic field downhole tool attachment

#118
20130285399
2013-10-31

Clamp assembly including permanent magnets and coils for selectively magnetizing and demagnetizing the magnets

#119
20130269261
2013-10-17

Detachable cover system

#120
20130234817
2013-09-12

Magnet arrays

#121
20130222091
2013-08-29

System for detaching a magnetic structure from a ferromagnetic material

#122
20130222090
2013-08-29

Magnetic attachment device

#123
20130201591
2013-08-08

Residual magnetic devices and methods

#124
20130162668
2013-06-27

Tablet device with peek mode operation

#125
20130162554
2013-06-27

Multi-peek mode tablet device

#126
20120326819
2012-12-27

Shielded magnetic attachment apparatus

#127
20120300383
2012-11-29

Magnetic attachment system

#128
20120277915
2012-11-01

Multi-degree of freedom torso support for a robotic agile lift system

#129
20120277911
2012-11-01

Variable strength magnetic end effector for lift systems

#130
20120256715
2012-10-11

Magnetic attachment system

#131
20120256532
2012-10-11

Panel system for covering a glass or plastic surface

#132
20120242440
2012-09-27

System for detachment of correlated magnetic structures

#133
20120205505
2012-08-16

Magnetic device for controlling door movement and method thereof

#134
20120187703
2012-07-26

Securing mechanisms for partitions, partition systems including same, and related methods

#135
20120174368
2012-07-12

Switchable core element-based permanent magnet apparatus

#136
20120153649
2012-06-21

Magnetic workpiece handling devices

#137
20120092104
2012-04-19

MAGNET ARRAYS

#138
20120069540
2012-03-22

Electronic device with magnetic attachment

#139
20120069503
2012-03-22

Protective cover

#140
20120069502
2012-03-22

Cover for an electric device

#141
20120068942
2012-03-22

Protective cover for a tablet computer

#142
20120066873
2012-03-22

Methods and apparatus for configuring a magnetic attachment system

#143
20120044031
2012-02-23

Magnetic Connector

#144
20120013426
2012-01-19

Fast anchoring magnetic holder including multiple attractive surfaces

#145
20110248806
2011-10-13

Switchable core element-based permanent magnet apparatus

#146
20110248588
2011-10-13

Residual magnetic devices and methods

#147
20110156849
2011-06-30

METHOD FOR INFLUENCING THE MAGNETIC COUPLING BETWEEN TWO BODIES AT A DISTANCE FROM EACH OTHER AND DEVICE FOR PERFORMING THE METHOD

#148
20110083599
2011-04-14

Hull robot drive system

#149
20110073118
2011-03-31

Bistable magnetic holding device

#150
20110001025
2011-01-06

Magnetic coupling device

#151
20100328001
2010-12-30

Switchable permanent magnet and related methods

#152
20100308519
2010-12-09

ELECTRO PERMANENT MAGNETIC APPARATUS WITH DUAL WORKING FACE

#153
20100237970
2010-09-23

Magnetic locking system

#154
20100237969
2010-09-23

Magnetic device

#155
20100171578
2010-07-08

Detachable magnet holder

#156
20100003899
2010-01-07

Device and method for positioning and blocking steady rests for rolling mill cylinders in grinding machines and grinding machines employing the same

#157
20090273194
2009-11-05

Magnetic gate latch

#158
20090250575
2009-10-08

Magnetically attachable and detachable panel method

#159
20090223198
2009-09-10

MAGNETIC CLEAN UP TOOL

#160
20090102478
2009-04-23

Configurable magnet assembly for using in NMR well logging instrument

#161
20090058582
2009-03-05

SYSTEMS AND METHODS FOR EXTRACTING NET-POSITIVE WORK FROM MAGNETIC FORCES

#162
20090027149
2009-01-29

Magnet Arrays

#163
20090021333
2009-01-22

Magnetic holding device

#164
20080272872
2008-11-06

Detachable Magnet Holder

#165
20080146295
2008-06-19

Electrically released magnet locking mechanism

#166
20070290780
2007-12-20

Magnetic clamping device, an injection moulding machine comprising such a device and a method for manufacturing such a device

#167
20070133156
2007-06-14

Electronic device having magnetic latching mechanism

#168
20060227488
2006-10-12

Residual magnetic devices and methods

#169
20060226941
2006-10-12

Residual magnetic devices and methods

#170
20060225985
2006-10-12

Residual magnetic devices and methods

#171
20060219513
2006-10-05

Residual magnetic devices and methods

#172
20060219499
2006-10-05

Residual magnetic devices and methods

#173
20060219498
2006-10-05

Residual magnetic devices and methods

#174
20060219497
2006-10-05

Residual magnetic devices and methods

#175
20060168799
2006-08-03

Recycling method for magnetic field generator

#176
20060049044
2006-03-09

Substrate holder for a vapour deposition system

#177
20050216125
2005-09-29

Systems comprising a mechanically actuated magnetic on-off attachment device

#178
20050012579
2005-01-20

Switchable permanent magnetic device

#179
16358089
2021-01-05

Devices and methods relating to modular storage

#180
16046024
2019-06-18

Active pop-up finger access in a portable information handling system

#181
15679275
2018-05-08

Access control electro-permanent magnetic lock

#182
15421962
2017-06-27

Method and apparatus for magnetic panel attachment

#183
15130880
2020-10-20

Switchable magnetic battery docking