ClassID:

119733

C22C33/0278 - CPC Classification

Classification description:

Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%

Sub-classes:
Recent Application in this class:
#1
20260120926
2026-04-30

R-T-B BASED PERMANENT MAGNET

#2
20260120925
2026-04-30

R-T-B BASED PERMANENT MAGNET AND METHOD OF MANUFACTURING THE SAME

#3
20260103781
2026-04-16

COATING FOR METAL ALLOY

#4
20260042145
2026-02-12

PROCESS FOR THE PREPARATION OF PRE-ALLOYED POWDERS FOR DIAMOND TOOLS, AND THE POWDERS SO OBTAINED

#5
20260002031
2026-01-01

Wave-Absorbing Heat-Generating Coating For Melting Ice On Wind Turbine Blade, And Preparation Method Therefor

#6
20250332579
2025-10-30

SUPPORTED MEDIUM ENTROPY ALLOYS FOR HYDROGEN PRODUCTION FROM NATURAL GAS

#7
20250114834
2025-04-10

A METHOD OF PRODUCING A DIE FOR EXTRUSION OF ALUMINIUM PROFILES, AND AN EXTRUSION DIE, AND A METHOD OF PRODUCING AN EXTRUSION DIE BLANK MATERIAL AND AN EXTRUSION DIE BLANK MATERIAL

#8
20250075298
2025-03-06

PROCESSES FOR FORMING MULTIMETALLIC ALLOYS AND CARBON-SUPPORTED MULTIMETALLIC ALLOYS

#9
20240363271
2024-10-31

R-T-B BASED PERMANENT MAGNET AND METHOD OF MANUFACTURING THE SAME

#10
20240274333
2024-08-15

LOW-COST HIGH-COERCIVITY LACE-RICH NEODYMIUM-IRON-BORON PERMANENT MAGNET, AND PREPARATION METHOD THEREFOR AND USE THEREOF

#11
20240226384
2024-07-11

SHAPE MEMORY ALLOY

#12
20240175110
2024-05-30

COATING FOR METAL ALLOY

#13
20240131229
2024-04-25

SHAPE MEMORY ALLOY

#14
20240002986
2024-01-04

IRON-CONTAINING ALLOYS AND ASSOCIATED SYSTEMS AND METHODS

#15
20230416891
2023-12-28

FE-MN ABSORBABLE IMPLANT ALLOYS WITH INCREASED DEGRADATION RATE

#16
20230313348
2023-10-05

METHOD FOR PREPARING DIAMOND TOOL BIT FROM PURE IRON-BASED MATRIX

#17
20230093094
2023-03-23

HEAVY RARE EARTH ALLOY, NEODYMIUM-IRON-BORON PERMANENT MAGNET MATERIAL RAW MATERIAL, AND PREPARATION METHOD

#18
20230063455
2023-03-02

3D PRINTABLE HARD FERROUS METALLIC ALLOYS FOR POWDER BED FUSION

#19
20230051707
2023-02-16

R-T-B-BASED PERMANENT MAGNET MATERIAL, PREPARATION METHOD THEREFOR AND USE THEREOF

#20
20230021711
2023-01-26

NEODYMIUM-IRON-BORON PERMANENT MAGNET MATERIAL, PREPARATION METHOD, AND APPLICATION

#21
20220379376
2022-12-01

PROCESS FOR THE PREPARATION OF PRE-ALLOYED POWDERS FOR DIAMOND TOOLS, AND THE POWDERS SO OBTAINED

#22
20220270819
2022-08-25

GRAIN BOUNDARY ENGINEERING

#23
20220165462
2022-05-26

Rare earth permanent magnet material and raw material composition,preparation method therefor and use thereof

#24
20220162729
2022-05-26

Self-healing alloy and method for manufacturing the same

#25
20220119927
2022-04-21

WEAR RESISTANT ALLOY

#26
20220037065
2022-02-03

SM-FE-N-BASED MAGNET POWDER, SM-FE-N-BASED SINTERED MAGNET, AND PRODUCTION METHOD THEREFOR

#27
20210379661
2021-12-09

High toughness metallic glass-based composites for additive manufacturing

#28
20210379657
2021-12-09

Production method for water-atomized metal powder

#29
20210375513
2021-12-02

R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE R-T-B-BASED RARE EARTH MAGNET PARTICLES, AND BONDED MAGNET

#30
20210301362
2021-09-30

3D printable hard ferrous metallic alloys for powder bed fusion

#31
20210262050
2021-08-26

MODIFIED HIGH SPEED STEEL PARTICLE, POWDER METALLURGY METHOD USING THE SAME, AND SINTERED PART OBTAINED THEREFROM

#32
20210246948
2021-08-12

Sintered bearing and method of manufacturing same

#33
20210156009
2021-05-27

Yttrium-added rare earth permanent magnet material and preparation method therefor

#34
20210147967
2021-05-20

Iron based alloy suitable for providing a hard and wear resistant coating on a substrate, article having a hard and wear resistant coating, and method for its manufacture

#35
20210062308
2021-03-04

Soft magnetic alloy and magnetic device

#36
20210047711
2021-02-18

Method for preparing magnetic powder and magnetic material

#37
20210025042
2021-01-28

Powder for mold

#38
20200362451
2020-11-19

Sputtering target material

#39
20200357433
2020-11-12

Fe—Pt based magnetic material sintered compact

#40
20200286682
2020-09-10

Grain boundary engineering

#41
20200232079
2020-07-23

FE-MN ABSORBABLE IMPLANT ALLOYS WITH INCREASED DEGRADATION RATE

#42
20200203069
2020-06-25

RARE EARTH PERMANENT MAGNETS AND THEIR PREPARATION

#43
20200194171
2020-06-18

Rare earth permanent magnets and their preparation

#44
20200194170
2020-06-18

Rare earth permanent magnets and their preparation

#45
20200180032
2020-06-11

Sintered oil-impregnated bearing

#46
20200032372
2020-01-30

BIORESORBABLE IMPLANTS MADE OF EXTRUDED POWDER WITH VARYING CHEMICAL COMPOSITION

#47
20190355504
2019-11-21

Method for manufacturing powder magnetic core

#48
20190355503
2019-11-21

Method for manufacturing powder magnetic core, and powder magnetic core

#49
20190345980
2019-11-14

Iron-copper-based oil-impregnated sintered bearing and method for manufacturing same

#50
20190242681
2019-08-08

Frangible firearm projectiles, methods for forming the same, and firearm cartridges containing the same

#51
20190237229
2019-08-01

Soft magnetic alloy and magnetic device

#52
20190214170
2019-07-11

Magnet material, permanent magnet, motor, and power generator

#53
20190127828
2019-05-02

Additive manufacturing process and powder material therefor

#54
20190060992
2019-02-28

Composition and method

#55
20180345366
2018-12-06

High toughness metallic glass-based composites for additive manufacturing

#56
20180322991
2018-11-08

Fe-based alloy composition, soft magnetic material, magnetic members, electric/electronic component, and device

#57
20180315528
2018-11-01

Soft magnetic powder, magnetic core, method for manufacturing soft magnetic powder, and method for manufacturing magnetic core

#58
20180301611
2018-10-18

Thermoelectric conversion material, method for producing same, and thermoelectric conversion module

#59
20180240590
2018-08-23

Method for producing R-T-B system sintered magnet

#60
20180182517
2018-06-28

Alloy material, bonded magnet, and modification method of rare-earth permanent magnetic powder

#61
20180166191
2018-06-14

Heat-resistant isotropic bonded NdFeB magnet and its preparation technology

#62
20180166189
2018-06-14

Bulk anisotropic exchange-spring magnets and method of producing the same

#63
20180154434
2018-06-07

Soft magnetic material and method for manufacturing the same

#64
20180119256
2018-05-03

Hard particles for incorporation in sintered alloy and wear-resistant iron-based sintered alloy and production method thereof

#65
20180119239
2018-05-03

3D printable hard ferrous metallic alloys for powder bed fusion

#66
20180114889
2018-04-26

Systems and methods of fabrication and use of NbFeSb P-type half-heusler thermoelectric materials

#67
20180082771
2018-03-22

Sm-Fe-N magnet material and Sm-Fe-N bonded magnet

#68
20180044766
2018-02-15

Wear resistant alloy

#69
20180043430
2018-02-15

Flat soft magnetic powder and production method therefor

#70
20180005807
2018-01-04

Magnetic material sputtering target and manufacturing method thereof

#71
20180005736
2018-01-04

Method for tuning the ferromagnetic ordering temperature of aluminum iron boride

#72
20170330658
2017-11-16

Hot-pressed and deformed magnet comprising nonmagnetic alloy and method for manufacturing same

#73
20170271063
2017-09-21

Metal powder core comprising copper powder, coil component, and fabrication method for metal powder core

#74
20170268858
2017-09-21

Frangible firearm projectiles, methods for forming the same, and firearm cartridges containing the same

#75
20170250016
2017-08-31

R-T-B based permanent magnet

#76
20170250015
2017-08-31

R-T-B based permanent magnet

#77
20170233854
2017-08-17

Cold work tool steel

#78
20170221618
2017-08-03

Anisotropic rare earth magnet powder, method for producing the same, and bonded magnet

#79
20170211167
2017-07-27

Powder metallurgy wear-resistant tool steel

#80
20170186534
2017-06-29

Rare earth permanent magnets and their preparation

#81
20170178773
2017-06-22

Rare earth permanent magnet and method for producing rare earth permanent magnet

#82
20170162308
2017-06-08

Alloy powder and magnetic component

#83
20170148554
2017-05-25

Soft magnetic powder, powder magnetic core, magnetic element, and electronic device

#84
20170103837
2017-04-13

NdFeB magnet containing cerium and manufacturing method thereof

#85
20170103835
2017-04-13

R-T-B based sintered magnet

#86
20170098497
2017-04-06

R-T-B-based alloy powder and method for producing same, and R-T-B-based sintered magnet and method for producing same

#87
20170025207
2017-01-26

Alloy for R-T-B-based rare earth sintered magnet, process of producing alloy for R-T-B-based rare earth sintered magnet, alloy material for R-T-B-based rare earth sintered magnet, R-T-B-based rare earth sintered magnet, process of producing R-T-B-based rare earth sintered magnet, and motor

#88
20170016099
2017-01-19

Cold work tool steel

#89
20160348722
2016-12-01

Sintered bearing

#90
20160322135
2016-11-03

Rare earth permanent magnet and rare earth permanent magnet manufacturing method

#91
20160312668
2016-10-27

Double/triple-layer valve guide

#92
20160307676
2016-10-20

Rare earth permanent magnetic material and method of preparing the same

#93
20160300650
2016-10-13

NdFeB system sintered magnet

#94
20160300647
2016-10-13

Metallic magnetic material with controlled curie temperature and processes for preparing the same

#95
20160298225
2016-10-13

Steel alloy and a component comprising such a steel alloy

#96
20160293307
2016-10-06

R-Fe—B sintered magnet and making method

#97
20160293304
2016-10-06

R—Fe—B sintered magnet and making method

#98
20160293303
2016-10-06

R-Fe-B sintered magnet and making method

#99
20160268025
2016-09-15

Low-B bare earth magnet

#100
20160268024
2016-09-15

R-T-B-based rare earth sintered magnet and alloy for R-T-B-based rare earth sintered magnet

#101
20160225522
2016-08-04

Grain boundary engineering

#102
20160215374
2016-07-28

Vanadium-containing powder metallurgical powders and methods of their use

#103
20160180992
2016-06-23

Powder for magnet

#104
20160108958
2016-04-21

Sintered bearing

#105
20160047020
2016-02-18

Bearing steel composition

#106
20160024624
2016-01-28

Impact resistant hardfacing and alloys and methods for making the same

#107
20160002471
2016-01-07

Method for treating powder by dry mixing and powder treated thereby

#108
20150357118
2015-12-10

Method for manufacturing Fe-based amorphous metal powder and method for manufacturing amorphous soft magnetic cores using same

#109
20150315678
2015-11-05

Methods for constructing parts with improved properties using metallic glass alloys

#110
20150307760
2015-10-29

Artificial snow at ambient temperature

#111
20150303744
2015-10-22

R-T-B based permanent magnet and rotating machine

#112
20150294771
2015-10-15

Permanent magnet and variable magnetic flux motor

#113
20150294770
2015-10-15

Permanent magnet and motor

#114
20150284830
2015-10-08

INOCULANT ALLOY FOR THICK CAST-IRON PARTS

#115
20150270465
2015-09-24

NbFeSb based half-heusler thermoelectric materials and methods of fabrication and use

#116
20150243434
2015-08-27

Method and apparatus for sintering NdFeB rare earth permanent magnet

#117
20150243433
2015-08-27

Method for producing neodymium-iron-boron rare earth permanent magnetic material

#118
20150228880
2015-08-13

Thermoelectric element, thermoelectric module and method of manufacturing thermoelectric element

#119
20150213822
2015-07-30

Fe-Pt based magnetic material sintered compact

#120
20150211097
2015-07-30

Hard particles for incorporation in sintered alloy and wear-resistant iron-based sintered alloy and production method thereof

#121
20150200044
2015-07-16

Magnet material, permanent magnet, motor, and power generator

#122
20150179318
2015-06-25

Rare earth based magnet

#123
20150179206
2015-06-25

TARGET MATERIAL AND METHOD OF PRODUCING THE SAME

#124
20150162118
2015-06-11

Metal powder core comprising copper powder, coil component, and fabrication method for metal powder core

#125
20150060268
2015-03-05

Sputtering target for forming magnetic recording film and process for producing same

#126
20150047596
2015-02-19

Valve seat

#127
20150023623
2015-01-22

Bearing component

#128
20150018185
2015-01-15

Roll for hot rolling

#129
20140352847
2014-12-04

Method for preparing R-Fe-B based sintered magnet

#130
20140346039
2014-11-27

Sputtering target for magnetic recording film

#131
20140341774
2014-11-20

R-T-B based alloy powder, compound for anisotropic bonded magnet and anisotropic bonded magnet

#132
20140341773
2014-11-20

Magnetic refrigeration material and manufacturing method of magnetic refrigeration material

#133
20140318316
2014-10-30

Rare earth based sintered magnet

#134
20140311902
2014-10-23

Magnetic material sputtering target and manufacturing method thereof

#135
20140311291
2014-10-23

R-T-B based sintered magnet

#136
20140301887
2014-10-09

FePt-C-based sputtering target and process for producing the same

#137
20140294654
2014-10-02

Iron-based sintered alloy for sliding member and production method therefor

#138
20140266525
2014-09-18

R-T-B-based rare earth magnet particles, and bonded magnets containing R-T-B-based rare earth magnet particles

#139
20140240077
2014-08-28

Amorphous alloy powder, dust core, magnetic element, and electronic device

#140
20140210580
2014-07-31

R-T-B-M-C sintered magnet and production method and an apparatus for manufacturing the R-T-B-M-C sintered magnet

#141
20140123682
2014-05-08

Magnetic refrigeration material and magnetic refrigeration device

#142
20140118098
2014-05-01

NdFeB system sintered magnet

#143
20140083568
2014-03-27

Corrosion-resistant magnet and method for producing the same

#144
20140062631
2014-03-06

NdFeB system sintered magnet

#145
20140009872
2014-01-09

Consumer electronics machined housing using coating that exhibit metamorphic transformation

#146
20140007987
2014-01-09

Method of using core shell pre-alloy structure to make alloys in a controlled manner

#147
20140007593
2014-01-09

Magnetic refrigeration material

#148
20140000409
2014-01-02

Object detecting actuator and object detecting switch

#149
20130320585
2013-12-05

Method for preparing R-Fe-B-based rare earth magnetic powder for a bonded magnet, magnetic powder prepared by the method, method for producing a bonded magnet using the magnetic powder, and bonded magnet produced by the method

#150
20130306470
2013-11-21

Sputtering target for magnetic recording film

#151
20130299050
2013-11-14

Method of producing R-T-B sintered magnet

#152
20130293328
2013-11-07

R-T-B sintered magnet

#153
20130271249
2013-10-17

Magnetic body

#154
20130264903
2013-10-10

Alloy material for R-T-B system rare earth permanent magnet, method for producing R-T-B system rare earth permanent magnet, and motor

#155
20130240352
2013-09-19

Sputtering target

#156
20130136933
2013-05-30

Composite magnetic material and process for production

#157
20130112141
2013-05-09

Treatment device

#158
20130101244
2013-04-25

Oil-impregnated sintered bearing and production method therefor

#159
20130089454
2013-04-11

Component having reduced metal adhesion

#160
20130087248
2013-04-11

Method for producing R-T-B-based sintered magnets

#161
20130084204
2013-04-04

Method of making Nd—Fe—B sintered magnets with reduced dysprosium or terbium

#162
20130068992
2013-03-21

METHOD FOR PRODUCING RARE EARTH PERMANENT MAGNETS, AND RARE EARTH PERMANENT MAGNETS

#163
20130040050
2013-02-14

Applicator for grain boundary diffusion process

#164
20130039797
2013-02-14

MANUFACTURE OF HIGH-PERFORMANCE NEODYMIUM IRON BORON PERMANENT MAGNET MATERIAL

#165
20130027160
2013-01-31

Sintered magnet and method for producing the sintered magnet

#166
20130020527
2013-01-24

Rare-earth permanent magnetic powder, bonded magnet, and device comprising the same

#167
20130009736
2013-01-10

Anisotropic rare earth magnet powder, method for producing the same, and bonded magnet

#168
20120286191
2012-11-15

Powder for magnetic member, powder compact, and magnetic member

#169
20120280775
2012-11-08

RARE EARTH PERMANENT MAGNETS AND THEIR PREPARATION

#170
20120274437
2012-11-01

Magnetic material and coil component using the same

#171
20120255398
2012-10-11

Vanadium-containing powder metallurgical powders and methods of their use

#172
20120237769
2012-09-20

Powder for magnet

#173
20120235778
2012-09-20

R-T-B RARE EARTH SINTERED MAGNET

#174
20120230859
2012-09-13

MARAGING STEEL ARTICLE AND METHOD OF MANUFACTURE

#175
20120206227
2012-08-16

R-Fe-B type rare earth sintered magnet and process for production of the same

#176
20120194310
2012-08-02

Permanent magnet and manufacturing method thereof

#177
20120188038
2012-07-26

Permanent magnet and manufacturing method thereof

#178
20120187327
2012-07-26

Permanent magnet and manufacturing method thereof

#179
20120187326
2012-07-26

Permanent magnet and manufacturing method thereof

#180
20120182108
2012-07-19

Permanent magnet and manufacturing method thereof

#181
20120182107
2012-07-19

Permanent magnet and manufacturing method thereof

#182
20120181476
2012-07-19

PERMANENT MAGNET AND MANUFACTURING METHOD THEREOF

#183
20120181475
2012-07-19

Permanent magnet and manufacturing method thereof

#184
20120139388
2012-06-07

Rare earth sintered magnet and motor

#185
20120119871
2012-05-17

Coil-type electronic component and its manufacturing method

#186
20120114844
2012-05-10

Process for production of R-Fe-B-based rare earth sintered magnet, and steam control member

#187
20120114515
2012-05-10

Rare earth magnet material and method for producing the same

#188
20120112863
2012-05-10

Process for production of R-T-B based sintered magnets and R-T-B based sintered magnets

#189
20120112862
2012-05-10

Rare earth magnet and method for manufacturing same

#190
20120092106
2012-04-19

COMPOSITE MAGNETIC BODY AND METHOD FOR PRODUCING THE SAME

#191
20120061066
2012-03-15

ARTICLE FOR MAGNETIC HEAT EXCHANGE AND METHOD OF FABRICATING AN ARTICLE FOR MAGNETIC HEAT EXCHANGE

#192
20120060797
2012-03-15

Fuel injector clamp

#193
20120021221
2012-01-26

Nanocomposite bulk magnet and process for producing same

#194
20120007013
2012-01-12

Composite magnetic material

#195
20110317949
2011-12-29

Sintered metallic bearing and fluid dynamic bearing device equipped with the bearing

#196
20110315913
2011-12-29

Surface-treated rare earth-based magnetic particles, resin composition for bonded magnets comprising the earth-based magnetic particles and bonded magnet comprising the earth-based magnetic particles

#197
20110273252
2011-11-10

Corrosion-resistant magnet and method for producing the same

#198
20110267167
2011-11-03

Method for manufacturing a coil-type electronic component

#199
20110262297
2011-10-27

Method for producing R-T-B sintered magnet

#200
20110260565
2011-10-27

ALLOY MATERIAL FOR R-T- B SYSTEM RARE EARTH PERMANENT MAGNET, METHOD FOR PRODUCTION OF R-T-B SYSTEM RARE EARTH PERMANENT MAGNET, AND MOTOR

#201
20110206305
2011-08-25

SINTERED BEARING

#202
20110198069
2011-08-18

Article for magnetic heat exchange and method of fabricating an article for magnetic heat exchange

#203
20110186181
2011-08-04

Corrosion-resistant magnet and method for producing the same

#204
20110171056
2011-07-14

Powders for rare earth magnets, rare earth magnets and methods for manufacturing the same

#205
20110165334
2011-07-07

COATING MATERIAL FOR METALLIC BASE MATERIAL SURFACE

#206
20110097233
2011-04-28

NON-MAGNETIC CAMSHAFT JOURNAL AND METHOD OF MAKING SAME

#207
20110090032
2011-04-21

RARE EARTH PERMANENT MAGNET AND ITS PREPARATION

#208
20110052799
2011-03-03

METHOD OF RECYCLING SCRAP MAGNET

#209
20110048587
2011-03-03

Amorphous alloy materials

#210
20110036460
2011-02-17

Rare earth permanent magnet and its preparation

#211
20110036459
2011-02-17

Rare earth permanent magnet and its preparation

#212
20110036458
2011-02-17

Rare earth permanent magnet and its preparation

#213
20110036457
2011-02-17

Rare earth permanent magnet and its preparation

#214
20110025440
2011-02-03

R-T-B-type sintered magnet and method for production thereof

#215
20110012699
2011-01-20

R-Fe-B rare earth sintered magnet

#216
20100261038
2010-10-14

COMPOSITE MAGNETIC MATERIAL FOR MAGNET AND METHOD FOR MANUFACTURING SUCH MATERIAL

#217
20100233016
2010-09-16

Rare earth magnet

#218
20100227180
2010-09-09

COATING MATERIAL FOR METALLIC BASE MATERIAL SURFACE

#219
20100219921
2010-09-02

RARE-EARTH IRON-BASED MAGNET WITH SELF-RECOVERABILITY

#220
20100182113
2010-07-22

R-Fe-B type rare earth sintered magnet and process for production of the same

#221
20100148897
2010-06-17

Rare earth sintered magnet and method for producing same

#222
20100143178
2010-06-10

Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material

#223
20100129538
2010-05-27

PROCESS FOR PRODUCING MAGNET

#224
20100119703
2010-05-13

Method for making NdFeB sintered magnet

#225
20100061874
2010-03-11

Production method for nanocomposite magnet

#226
20100045411
2010-02-25

R-T-B sintered magnet and method for producing the same

#227
20100043662
2010-02-25

DIFFUSION ALLOYED IRON POWDER

#228
20100034982
2010-02-11

Manufacturing method of three-dimensionally shaped object

#229
20100026432
2010-02-04

Permanent magnet and method of manufacturing same

#230
20100006183
2010-01-14

Method for producing a giant magnetostrictive alloy

#231
20100003156
2010-01-07

Rare earth magnet and production process thereof

#232
20090274571
2009-11-05

Nd-Fe-B Permanent Magnetic Material

#233
20090274403
2009-11-05

Bearing having improved consume resistivity and manufacturing method thereof

#234
20090267017
2009-10-29

Flat soft magnetic material and process for its production

#235
20090191421
2009-07-30

COMPOSITE SOFT MAGNETIC POWDERY MATERIAL AND MAGNETICALLY BIASING PERMANENT MAGNETIC CORE CONTAINING SAME

#236
20090188171
2009-07-30

Polymetal powder and sintered component produced based on this powder

#237
20090165595
2009-07-02

Hard-particle powder for sintered body and sintered body

#238
20090129962
2009-05-21

Method of producing ultrafine crystalline TiN/TIBcomposite cermet

#239
20090127493
2009-05-21

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

#240
20090126676
2009-05-21

Piston for internal-combustion engines

#241
20090072938
2009-03-19

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