ClassID:

119300

C22B9/04 - CPC Classification

Classification description:

General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals Refining by applying a vacuum

Recent Application in this class:
#1
20260002235
2026-01-01

Method for Producing Rare Earth Metals via Thermite Reduction of Rare Earth Compounds with Aluminum

#2
20250305092
2025-10-02

SEPARATION OF RARE EARTH ELEMENTS

#3
20250305091
2025-10-02

SEPARATION OF RARE EARTH ELEMENTS

#4
20250277286
2025-09-04

SHELF DETECTION AND CONTROL FOR VACUUM ARC REMELTING

#5
20250051878
2025-02-13

Separation of rare earth elements

#6
20250034685
2025-01-30

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SLAB USED AS MATERIAL FOR THE SAME

#7
20240401169
2024-12-05

Device and method for recovering arsenic and gallium

#8
20240229189
2024-07-11

METHOD FOR RECOVERY OF METAL-CONTAINING MATERIAL FROM A COMPOSITE MATERIAL

#9
20240132994
2024-04-25

METHOD FOR RECOVERY OF METAL-CONTAINING MATERIAL FROM A COMPOSITE MATERIAL

#10
20240011124
2024-01-11

Method and device for preparing ultrathin metal lithium foil

#11
20230227942
2023-07-20

SEPARATION OF RARE EARTH ELEMENTS

#12
20230203630
2023-06-29

A WEAR-RESISTANT STEEL WITH EXCELLENT SURFACE QUALITY AND A PRODUCTION METHOD THEREOF

#13
20230083353
2023-03-16

SIMULTANEOUS DISTILLATION AND ALLOYING

#14
20230054329
2023-02-23

Steel for wind power gear with improved purity and reliability, and smelting method therefor

#15
20230002855
2023-01-05

Separation of rare earth elements

#16
20220350294
2022-11-03

VIDEO ANALYSIS-BASED ALGORITHM FOR TRIGGERING POWER CUTBACK IN VACUUM ARC REMELTING

#17
20220349026
2022-11-03

METAL PURIFYING METHOD AND METAL PURIFYING APPARATUS

#18
20220307108
2022-09-29

Method for producing magnesium-lithium alloy by gaseous co-condensation method

#19
20220056557
2022-02-24

METHOD FOR RECOVERY OF METAL-CONTAINING MATERIAL FROM A COMPOSITE MATERIAL

#20
20210332463
2021-10-28

Non-oriented electrical steel sheet and method for manufacturing slab used as material for the same

#21
20210197277
2021-07-01

MN-CU-Based Damping Alloy Powder For Use In Selective Laser Melting Process And Preparation Method Thereof

#22
20210102272
2021-04-08

Vacuum arc remelting processing

#23
20210102271
2021-04-08

Device and method for production of purified magnesium

#24
20200239979
2020-07-30

METHOD FOR PURIFYING TITANIUM MATERIAL

#25
20200165700
2020-05-28

Apparatus and process for separating and recovering the components of an alloy, particularly a noble alloy

#26
20200015343
2020-01-09

Method of purifying target material for an EUV light source

#27
20190366414
2019-12-05

Systems and methods for processing alloy ingots

#28
20190338431
2019-11-07

High purity tin and method for manufacturing same

#29
20190309390
2019-10-10

Method for producing a low-alloy steel ingot

#30
20190119782
2019-04-25

Method for producing magnesium by distillation

#31
20190048433
2019-02-14

Low thermal expansion superalloy and manufacturing method thereof

#32
20190003013
2019-01-03

Processes for producing low nitrogen metallic chromium and chromium-containing alloys and the resulting products

#33
20190003012
2019-01-03

Process for refining niobium-based ferroalloys

#34
20180298506
2018-10-18

High purity tin and method for manufacturing same

#35
20180274059
2018-09-27

Method for recovery of metal-containing material from a composite material

#36
20180195148
2018-07-12

Apparatus and method for recovery of material

#37
20180141128
2018-05-24

Methods using high surface area per volume reactive particulate

#38
20180087136
2018-03-29

METHOD OF PRODUCING HIGH-PURITY ERBIUM

#39
20180030570
2018-02-01

Apparatus and process for separating and recovering the components of an alloy, particularly a noble alloy

#40
20170247778
2017-08-31

Method and apparatus for purifying target material for EUV light source

#41
20170247776
2017-08-31

Process and apparatus for vacuum distillation of high-purity magnesium

#42
20170239633
2017-08-24

Hydrogen, lithium, and lithium hydride production

#43
20170191145
2017-07-06

PROCESSES FOR PRODUCING LOW NITROGEN METALLIC CHROMIUM AND CHROMIUM-CONTAINING ALLOYS AND THE RESULTING PRODUCTS

#44
20170130297
2017-05-11

Method for producing a low-alloy steel ingot

#45
20170121792
2017-05-04

Processes for producing low nitrogen essentially nitride-free chromium and chromium plus niobium-containing nickel-based alloys and the resulting chromium and nickel-based alloys

#46
20170029921
2017-02-02

Method for producing high-purity calcium

#47
20160376685
2016-12-29

Alloy melting and refining method

#48
20160298208
2016-10-13

Isotope displacement refining process for producing low alpha materials

#49
20160177418
2016-06-23

Refining device and refining method for titanium scraps and sponge titanium using deoxidising gas

#50
20160167100
2016-06-16

Systems and methods for processing alloy ingots

#51
20160153072
2016-06-02

Melting method for alloys

#52
20160122853
2016-05-05

Processes for producing low nitrogen essentially nitride-free chromium and chromium plus niobium-containing nickel-based alloys and the resulting chromium and nickel-based alloys

#53
20160122848
2016-05-05

Processes for producing low nitrogen metallic chromium and chromium-containing alloys and the resulting products

#54
20160069615
2016-03-10

Thermal reduction apparatus for metal production, gate device, condensing system, and control method thereof

#55
20160032427
2016-02-04

METHOD FOR MANUFACTURING HIGH PURITY MANGANESE AND HIGH PURITY MANGANESE

#56
20160010172
2016-01-14

Method for producing a cold-rolled flat steel product for deep-drawing and ironing applications, flat steel product, and use of a flat steel product of said type

#57
20160002749
2016-01-07

METHOD FOR MANUFACTURING HIGH PURITY MANGANESE AND HIGH PURITY MANGANESE

#58
20150247217
2015-09-03

Device and method for preprocessing metallic magnesium

#59
20150232964
2015-08-20

Method of purifying sodium metal

#60
20150128765
2015-05-14

Process and apparatus for vacuum distillation of high-purity magnesium

#61
20150082942
2015-03-26

METAL OR SEMICONDUCTOR MELT REFINEMENT METHOD, AND VACUUM REFINEMENT DEVICE

#62
20150034213
2015-02-05

Bulk solidifying amorphous alloys with improved mechanical properties

#63
20140301890
2014-10-09

Method for producing high-purity calcium

#64
20140203483
2014-07-24

Vacuum refining furnace

#65
20140060252
2014-03-06

Method of producing tin emitted low alpha radiation by using vacuum refining

#66
20140033871
2014-02-06

Apparatus and method for condensing metal vapor

#67
20130279533
2013-10-24

Melting furnace including wire-discharge ion plasma electron emitter

#68
20130112042
2013-05-09

Apparatus and method for degassing cast aluminum alloys

#69
20130052076
2013-02-28

Separation method

#70
20120298266
2012-11-29

Bulk solidifying amorphous alloys with improved mechanical properties

#71
20120266722
2012-10-25

Method and apparatus for improved process control and real-time determination of carbon content during vacuum degassing of molten metals

#72
20120048430
2012-03-01

Process and system for fabricating gamma TiAl turbine engine components

#73
20120003117
2012-01-05

Process for manufacturing steel blanks

#74
20110195270
2011-08-11

Systems and methods for processing alloy ingots

#75
20110186183
2011-08-04

Bulk solidifying amorphous alloys with improved mechanical properties

#76
20110171058
2011-07-14

Process for manufacturing Ni-base alloy and Ni-base alloy

#77
20100258262
2010-10-14

Method and apparatus for producing large diameter superalloy ingots

#78
20100206128
2010-08-19

METHOD AND DEVICE FOR REMOVAL OF ELEMENTS RESOLVED IN A METAL MELT

#79
20100047108
2010-02-25

Process for manufacturing steel blanks

#80
20100040526
2010-02-18

Device and method for the processing of non-ferrous metals

#81
20100012629
2010-01-21

Ion plasma electron emitters for a melting furnace

#82
20090140472
2009-06-04

Reduction apparatus, reduction apparatus manufacture method, and vacuum smelting reduction furnace using the same

#83
20090121397
2009-05-14

REDUCTION RETORT, REDUCTION RETORT MANUFACTURE METHOD, AND VACUUM SMELTING REDUCTION FURNACE USING THE SAME

#84
20090090621
2009-04-09

Erbium Sputtering Target and Manufacturing Method

#85
20090004043
2009-01-01

Corrosion-resistant nickel-base alloy

#86
20080257109
2008-10-23

High vacuum in-situ refining method for high-purity materials and an apparatus thereof

#87
20080245188
2008-10-09

Compact micro-porous media degasser

#88
20080237200
2008-10-02

Melting furnace including wire-discharge ion plasma electron emitter

#89
20080179033
2008-07-31

Method and apparatus for producing large diameter superalloy ingots

#90
20070180955
2007-08-09

Recovery of steel from contaminated scrap

#91
20070045913
2007-03-01

System for detecting entry of foreign material during melting

#92
20070039418
2007-02-22

Method for producing steel ingot

#93
20070035066
2007-02-15

Casting process

#94
20060193997
2006-08-31

Method and apparatus for EUV plasma source target delivery target material handling

#95
20060125160
2006-06-15

Compact micro-porous media degasser

#96
20060037437
2006-02-23

Apparatus and process for extracting arsenic in vacuum

#97
15938894
2019-12-03

Methods for making zirconium based alloys and bulk metallic glasses