ClassID:

201798

H01F41/026 - CPC Classification

Classification description:

Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets protecting methods against environmental influences, e.g. oxygen, by surface treatment

Recent Application in this class:
#1
20260142076
2026-05-21

IRON-SILICON MAGNETIC POWDER CORE, PREPARATION METHOD THEREFOR, AND INDUCTOR

#2
20260038717
2026-02-05

METHOD OF PRODUCING PHOSPHATE-COATED SmFeN-BASED ANISOTROPIC MAGNETIC POWDER AND PHOSPHATE-COATED SmFeN-BASED ANISOTROPIC MAGNETIC POWDER

#3
20260024687
2026-01-22

SINTERED RE-FE-B PERMANENT MAGNET AND PREPARATION METHOD AND APPLICATION THEREOF

#4
20250146160
2025-05-08

MAGNETS COMPRISING A COATING INCLUDING AN ALUMINUM LAYER

#5
20240367451
2024-11-07

METHOD FOR FORMING COATING FILM ON RARE EARTH MAGNET SURFACE, AND RARE EARTH MAGNET

#6
20240347270
2024-10-17

INTRAVASCULAR BLOOD PUMP COMPRISING CORROSION RESISTANT PERMANENT MAGNET

#7
20240062936
2024-02-22

METHOD OF PRODUCING RARE EARTH MAGNETIC POWDER AND RARE EARTH MAGNETIC POWDER

#8
20230298813
2023-09-21

Method For Producing Insulator-Coated Soft Magnetic Powder, Insulator-Coated Soft Magnetic Powder, Dust Core, Magnetic Element, Electronic Device, And Vehicle

#9
20230282415
2023-09-07

Method for improving corrosion resistance of high abundance rare earth permanent magnet

#10
20230282414
2023-09-07

Method for improving corrosion resistance of neodymium-iron-boron materials by low-temperature oxidation and/or nitridation treatment

#11
20230207166
2023-06-29

METHOD OF PRODUCING PHOSPHATE-COATED SmFeN-BASED ANISOTROPIC MAGNETIC POWDER AND PHOSPHATE-COATED SmFeN-BASED ANISOTROPIC MAGNETIC POWDER

#12
20230178274
2023-06-08

Neodymium-Iron-Boron Sintered Magnet and Method of Anti-Corrosion Treatment

#13
20220328244
2022-10-13

NdFeB permanent magnet with high coercivity and high resistivity and method for preparing the same

#14
20220154327
2022-05-19

Corrosion-inhibiting protection for watch magnets, in particular neodymium-iron-boron magnets

#15
20220084746
2022-03-17

Rare earth magnet precursor or rare earth magnet molded body having roughened structure on surface and method for manufacturing same

#16
20220051847
2022-02-17

Intravascular blood pump comprising corrosion resistant permanent magnet

#17
20210146709
2021-05-20

Method for forming coating film on rare earth magnet surface, and rare earth magnet

#18
20210098166
2021-04-01

Corrosion-resistant permanent magnet and intravascular blood pump comprising the magnet

#19
20210098161
2021-04-01

Method of producing magnetic powder

#20
20210065973
2021-03-04

Rare earth magnets

#21
20210027923
2021-01-28

Composite magnetic powder, powder magnetic core using the same, and manufacturing method for composite magnetic powder

#22
20200176182
2020-06-04

Fabrication process to produce a toroidal current transformer

#23
20190311850
2019-10-10

Intravascular blood pump comprising corrosion resistant permanent magnet

#24
20190164673
2019-05-30

Magnet and motor using the same

#25
20190156974
2019-05-23

ND-FE-B MAGNET INCLUDING A COMPOSITE COATING DISPOSED THEREON AND A METHOD OF DEPOSITING A COMPOSITE COATING ON THE ND-FE-B MAGNET

#26
20190027306
2019-01-24

Method of improving the coercivity of Nd—Fe—B magnets

#27
20180350519
2018-12-06

Method for forming electrolytic copper plating film on surface of rare earth metal-based permanent magnet

#28
20180301254
2018-10-18

Method of manufacturing magnetic material

#29
20180261386
2018-09-13

Forming method for producing a composite part having a permanent magnet

#30
20180247743
2018-08-30

Fine-grained Nd—Fe—B magnets having high coercivity and energy density

#31
20180190428
2018-07-05

Magnet production

#32
20180040405
2018-02-08

Compression-bonded magnet with case and method for producing the same

#33
20180040398
2018-02-08

Method of preparing a hard aluminum film on the surface of a Nd-Fe-B magnet

#34
20170272864
2017-09-21

Corrosion resistant magnet assembly

#35
20170084373
2017-03-23

PROGRAMMABLE MAGNET ORIENTATIONS IN A MAGNETIC ARRAY

#36
20170056631
2017-03-02

Corrosion-resistant magnetic article

#37
20160358703
2016-12-08

Thin magnet fabrication

#38
20160314887
2016-10-27

Compression-bonded magnet with case and method for producing the same

#39
20160243719
2016-08-25

Manufacture method and manufacturing device for manufacturing magnet piece constituting magnet body for field pole disposed on rotating electric machine

#40
20160240309
2016-08-18

METHOD FOR DEPOSITING A COMPOSITE FILM ON A PERMANENT NEODYMIUM-IRON-BORN MAGNET

#41
20160237553
2016-08-18

Method for depositing aluminum on a permanent Nd—Fe—B magnet

#42
20160225499
2016-08-04

Rare earth magnet and motor including the same

#43
20160213898
2016-07-28

Corrosion-resistant magnetic article

#44
20160122864
2016-05-05

Apparatus and method for coating of small Nd-Fe-B magnets

#45
20150194259
2015-07-09

Method for manufacturing NdFeB rare earth permanent magnetic device with composite plating

#46
20150125336
2015-05-07

Method for producing NdFeB system sintered magnet

#47
20140354100
2014-12-04

Rare earth magnet, rotor and manufacturing method for rare earth magnet

#48
20140294655
2014-10-02

Method and device for preparing a sintered Nd—Fe—B permanent magnet

#49
20140167895
2014-06-19

Nd based sintered magnet

#50
20140083568
2014-03-27

Corrosion-resistant magnet and method for producing the same

#51
20130313125
2013-11-28

Production method for R—Fe—B based sintered magnet having plating film on surface thereof

#52
20130196145
2013-08-01

Surface modified magnetic material

#53
20130180860
2013-07-18

METHOD FOR FORMING ELECTROLYTIC COPPER PLATING FILM ON SURFACE OF RARE EARTH METAL-BASED PERMANENT MAGNET

#54
20130098509
2013-04-25

Method for producing surface-modified rare earth metal-based sintered magnet

#55
20120319807
2012-12-20

METHOD FOR PRODUCING A MAGNET, MAGNET AND ELECTRIC MACHINE

#56
20120299676
2012-11-29

CORROSION-RESISTANT MAGNET AND METHOD FOR PRODUCING THE SAME

#57
20120262265
2012-10-18

Coil electrical component and method of manufacturing the same

#58
20120242439
2012-09-27

Magnet member

#59
20120187612
2012-07-26

PERMANENT MAGNET AND MANUFACTURING METHOD THEREOF

#60
20120182103
2012-07-19

MAGNET AND METHOD OF MANUFACTURING OF THE SAME

#61
20120112862
2012-05-10

Rare earth magnet and method for manufacturing same

#62
20120034458
2012-02-09

Lacquer composition and use thereof

#63
20120024429
2012-02-02

Rare earth sintered magnet

#64
20110279205
2011-11-17

R-T-B rare earth sintered magnet

#65
20110273252
2011-11-10

Corrosion-resistant magnet and method for producing the same

#66
20110234348
2011-09-29

Rare-earth magnet, method of manufacturing rare-earth magnet, and rotator

#67
20110234346
2011-09-29

BONDED RARE EARTH MAGNET

#68
20110227424
2011-09-22

Rare-earth sintered magnet containing a nitride, rotator containing rare-earth sintered magnet, and reciprocating motor containing rare-earth sintered magnet

#69
20110210810
2011-09-01

Method of manufacturing an Nd based sintered magnet

#70
20110186181
2011-08-04

Corrosion-resistant magnet and method for producing the same

#71
20110184505
2011-07-28

Components, Systems and Methods for Forming Anastomoses Using Magnetism or Other Coupling Means

#72
20110037549
2011-02-17

Rare earth metal-based permanent magnet

#73
20110001593
2011-01-06

Permanent magnet and method of manufacturing same

#74
20100330361
2010-12-30

Metal magnet and motor using the same

#75
20100297343
2010-11-25

Treating agent for forming a fluoride coating film and method for forming a fluoride coating film

#76
20100295644
2010-11-25

R-Fe-B based sintered magnet having on the surface thereof vapor deposited film of aluminum or alloy thereof, and method for producing the same

#77
20100283568
2010-11-11

Paint composition, in particular anti-corrosive paint for rare earth permanent magnets

#78
20100255292
2010-10-07

MOTOR PERMANENT-MAGNET

#79
20100252145
2010-10-07

Method for producing surface-modified rare earth metal-based sintered magnet and surface-modified rare earth metal-based sintered magnet

#80
20100214046
2010-08-26

BONDED MAGNET AND PROCESS FOR ITS MANUFACTURE

#81
20100194508
2010-08-05

RARE-EARTH PERMANENT MAGNET

#82
20100092660
2010-04-15

Rare earth magnet and method for producing same

#83
20100034625
2010-02-11

Magnetic pad for end-effectors

#84
20100013585
2010-01-21

Process for producing highly anticorrosive rare earth permanent magnet and method of using the same

#85
20100006182
2010-01-14

Method for producing rare earth metal-based permanent magnet

#86
20090297699
2009-12-03

Process for producing magnet

#87
20090242617
2009-10-01

Permanent magnet temporary demagnetization temperature rise technique and their application for soldering

#88
20090212893
2009-08-27

CORROSION RESISTANT RARE EARTH MAGNETS AND PROCESS FOR PRODUCTION THEREOF

#89
20090201112
2009-08-13

Method of encasing a magnet

#90
20090189722
2009-07-30

Flexible magnet coating

#91
20090178735
2009-07-16

Rare earth sintered magnet

#92
20090127493
2009-05-21

Non-ageing permanent magnet from an alloy powder and method for the production thereof

#93
20090087672
2009-04-02

Rare earth magnet and its production method

#94
20090035603
2009-02-05

METHOD FOR PRODUCING RARE EARTH METAL-BASED PERMANENT MAGNET HAVING COPPER PLATING FILM ON SURFACE THEREOF

#95
20080277028
2008-11-13

Rare-earth alloy, rare-earth sintered magnet, and methods of manufacturing

#96
20080276449
2008-11-13

Method for permanent magnet protection

#97
20080254285
2008-10-16

Rare earth magnet and method for producing same

#98
20080218298
2008-09-11

Sealed Rare Earth Magnet and Method for Manufacturing the Same

#99
20080202642
2008-08-28

Rare earth magnet, method for producing same and method for producing multilayer body

#100
20080131708
2008-06-05

Method for imparting hydrogen resistance to articles

#101
20080124567
2008-05-29

Corrosion-resistant rare earth metal-based permanent magnet

#102
20080124235
2008-05-29

Permanent magnet for motor, motor housing, and motor device

#103
20080118747
2008-05-22

Process for Producing Permanent Magnet for Use in Automotive Ipm Motor

#104
20080092994
2008-04-24

Treating agent for forming a fluoride coating film and method for forming a fluoride coating film

#105
20080053573
2008-03-06

Rare earth magnet

#106
20080051016
2008-02-28

Sintered rare earth magnetic alloy wafer surface grinding machine

#107
20080050581
2008-02-28

Rare Earth Magnet and Method for Manufacturing Same

#108
20070269679
2007-11-22

Method for producing rare earth metal-based permanent magnet having copper plating film on the surface thereof

#109
20070250084
2007-10-25

Components, systems, and methods for forming anastomoses using magnetism or other coupling means

#110
20070209737
2007-09-13

Magnet using binding agent and method of manufacturing the same

#111
20070194187
2007-08-23

Refrigerator magnet with clipping action

#112
20070160863
2007-07-12

Corrosion resistant rare earth metal permanent magnets and process for production thereof

#113
20070102069
2007-05-10

R-T-B system permanent magnet

#114
20070102065
2007-05-10

Permanent magnet ring

#115
20070077454
2007-04-05

Rare-earth magnet

#116
20070065677
2007-03-22

Magnet, magnet magnetic material, coating film forming treatment liquid, and rotating machine

#117
20070051431
2007-03-08

Rare-earth alloy, rare-earth sintered magnet, and methods of manufacturing

#118
20070010834
2007-01-11

Components, systems and methods for forming anastomoses using magnetism or other coupling means

#119
20060251926
2006-11-09

Rare earth-transition metal alloy articles

#120
20060234085
2006-10-19

Bonded magnet and process for its manufacture

#121
20060231409
2006-10-19

Plating solution, conductive material, and surface treatment method of conductive material

#122
20060222848
2006-10-05

Fluoride coating compositions, methods for forming fluoride coatings, and magnets

#123
20060185766
2006-08-24

Rare-earth alloy, rare-earth sintered magnet, and methods of manufacturing

#124
20060141289
2006-06-29

Rare earth-transition metal alloy articles

#125
20060141281
2006-06-29

R-T-B system permanent magnet and plating film

#126
20060099404
2006-05-11

Oxidation-resistant rare earth based magnet magnet powder and method for production thereof, compound for rare earth based bonded magnet, rare earth based bonded magnet and method for production thereof

#127
20060011268
2006-01-19

Sintered rare earth magnetic alloy wafer and wafer surface growing machine

#128
20050233068
2005-10-20

Method for producing corrosion-resistant rare earth metal-based permanent magnet

#129
20050214515
2005-09-29

Layered product

#130
20050192603
2005-09-01

Extravascular anastomotic components and methods for forming magnetic anastomoses

#131
20050190031
2005-09-01

Sealed rare earth magnet and method for manufacturing the same

#132
20050173025
2005-08-11

Rare earth sintered magnet, and method for improving mechanical strength and corrosion resistance thereof

#133
20050126495
2005-06-16

Deposited-film forming apparatus

#134
20050080439
2005-04-14

Devices and methods for forming magnetic anastomoses and ports in vessels

#135
20050058376
2005-03-17

Magnetic encoder and wheel support bearing assembly utilizing the same

#136
20050056542
2005-03-17

Plating tool, plating method, electroplating apparatus, plated product, and method for producing plated product

#137
20050028890
2005-02-10

Rare earth element sintered magnet and method for producing rare earth element sintered magnet

#138
20050021059
2005-01-27

Magnetic components for use in forming anastomoses, creating ports in vessels and closing openings in tissue

#139
20050008838
2005-01-13

Rare-earth permanent magnet having corrosion-resistant coating, process for producing the same, and treating liquid for forming corrosion-resistant coating

#140
17969190
2026-03-17

Corrosion-resistant permanent magnet and intravascular blood pump comprising the magnet