ClassID:

118860

C21C5/527 - CPC Classification

Classification description:

Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel; Manufacture of steel in electric furnaces Charging of the electric furnace

Sub-classes:
Recent Application in this class:
#1
20260131376
2026-05-14

LOW-SULFUR GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#2
20260054312
2026-02-26

TREATING COOLING WATER IN IRON PRODUCTION FACILITIES, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#3
20260048434
2026-02-19

LOW-CARBON GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#4
20260043103
2026-02-12

OPTIMIZED MELTING OF COMPACTED DRI

#5
20260034581
2026-02-05

USE OF RESIDUAL IRON WITHIN GRANULATED METALLIC UNIT PRODUCTION FACILITIES, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#6
20260001124
2026-01-01

CONTINUOUS GRANULATED METALLIC UNITS PRODUCTION, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#7
20250353076
2025-11-20

USE OF A BASIC OXYGEN FURNACE TO PRODUCE GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#8
20250083232
2025-03-13

CONTINUOUS GRANULATED METALLIC UNITS PRODUCTION, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#9
20250083231
2025-03-13

USE OF RESIDUAL IRON WITHIN GRANULATED METALLIC UNIT PRODUCTION FACILITIES, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#10
20250083230
2025-03-13

USE OF A BASIC OXYGEN FURNACE TO PRODUCE GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#11
20250083224
2025-03-13

LOW-CARBON GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#12
20250083223
2025-03-13

LOW-SULFUR GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#13
20250034669
2025-01-30

Steelmaking method and associated network of plants

#14
20250034668
2025-01-30

Steelmaking method and associated network of plants

#15
20240318271
2024-09-26

PROCESS FOR THE COMBINED MANUFACTURE OF STEEL AND CEMENT CLINKER

#16
20240279760
2024-08-22

METHOD FOR FORMING A FOAMY SLAG IN AN ELECTRIC ARC FURNACE

#17
20240229175
2024-07-11

A method of manufacturing of a steel product in several steelmaking units

#18
20240229174
2024-07-11

Method of manufacturing steel

#19
20240132984
2024-04-25

A method of manufacturing of a steel product in several steelmaking units

#20
20240132983
2024-04-25

Method of manufacturing steel

#21
20240085110
2024-03-14

METHOD OF PRODUCING MOLTEN IRON USING ELECTRIC FURNACE INCLUDING VIDEO DEVICE

#22
20240060150
2024-02-22

SOLID AGGLOMERATED PRODUCT BASED ON IRON OXIDES AND CORRESPONDING PRODUCTION METHOD

#23
20230384031
2023-11-30

APPARATUS AND METHOD FOR SUPPLYING A GAS TO A FURNACE FOR THE PRODUCTION OF METAL

#24
20220396844
2022-12-15

Molten steel production method

#25
20220195546
2022-06-23

Method for producing chromium-containing molten iron

#26
20220195545
2022-06-23

METHOD FOR PRODUCING CHROMIUM-CONTAINING MOLTEN IRON

#27
20220162718
2022-05-26

Method For The Production Of Metal Products Starting From Ferrous Material, By Means Of An Electric Arc Furnace

#28
20220099373
2022-03-31

Apparatus and method for feeding and preheating a metal charge in a melting furnace

#29
20220034586
2022-02-03

Method for operating an electric arc furnace

#30
20210364237
2021-11-25

Methods for preheating metal-containing pellets

#31
20210270528
2021-09-02

Steelmaking and ironmaking scrap segregation and packaging system and method thereof

#32
20210108284
2021-04-15

Iron ore pellets

#33
20210091388
2021-03-25

METHOD AND EQUIPMENT FOR RECYCLING USED CELLS AND RECHARGEABLE BATTERIES

#34
20210079489
2021-03-18

Melting furnace for metallurgical plant and operating method therefor

#35
20200354811
2020-11-12

Processing method

#36
20200165068
2020-05-28

Conveying a material to be conveyed

#37
20200018550
2020-01-16

Convertible metallurgical furnace and modular metallurgical plant comprising said furnace for conducting production processes for the production of metals in the molten state, in particular steel or cast iron

#38
20190136334
2019-05-09

Device and method for sensing a conveying rate of a liquid material

#39
20190063838
2019-02-28

Steelmaking and ironmaking scrap segregation and packaging system and method thereof

#40
20180371562
2018-12-27

METHOD FOR PRODUCTION OF IRON-SILICON-ALUMINUM ALLOYS AND THEIR USE

#41
20180347908
2018-12-06

Equipment for measurement and control of load material fed into a furnace

#42
20180305778
2018-10-25

METHOD FOR MAKING STEEL IN AN ELECTRIC ARC FURNACE

#43
20180180358
2018-06-28

Systems and methods to preheat ferromagnetic scrap

#44
20180037834
2018-02-08

Charge carbon briquette for electric arc steelmaking furnace

#45
20170254591
2017-09-07

MATERIAL SUPPLY APPARATUS AND PROCESS

#46
20170223783
2017-08-03

HEATING PROCESS MANAGEMENT WITH FURNACE VOLUME ESTIMATION

#47
20170171919
2017-06-15

Plant and method for melting metal materials

#48
20170167792
2017-06-15

Apparatus for heating and transferring metal materials for a melting plant, and method for melting metal materials

#49
20160333430
2016-11-17

Method for making steel in an electric arc furnace and electric arc furnace

#50
20160326606
2016-11-10

METHODS FOR PRODUCING IMPROVED STEELS BY INJECTING IRON CONTAINING BY-PRODUCTS OF AN IRON ORE PRODUCTION PROCESS INTO LIQUID STEEL

#51
20160252304
2016-09-01

Apparatus for pre-heating a metal charge for a melting plant and connected method

#52
20160076114
2016-03-17

Method for melting metal material in a melting plant and relative melting plant

#53
20160061529
2016-03-03

Equipment for measurement and control of load material or scrap feeding into a furnace and relative method

#54
20150344989
2015-12-03

Composite briquette for steelmaking or ironmaking furnace charge

#55
20150344983
2015-12-03

Fixed-type electric furnace and molten steel production method

#56
20150308746
2015-10-29

Apparatus for conveying and pre-heating a metal charge for a melting plant and connected method

#57
20150211797
2015-07-30

Device for transferring a metallurgical material

#58
20150153107
2015-06-04

Plant and relative procedure for the continuous feeding of heated metallic material to a melting furnace for the production of steel

#59
20150153106
2015-06-04

Apparatus and method to feed and preheat a metal charge to a melting furnace

#60
20150135896
2015-05-21

Method of reduction processing of steel-making slag

#61
20150130120
2015-05-14

Device for transferring a metallurgical material

#62
20150030049
2015-01-29

Method for managing the charge in a melting furnace and corresponding loading apparatus

#63
20140318314
2014-10-30

Method for melting steel

#64
20140291901
2014-10-02

Reduction processing apparatus for steel-making slag and reduction processing system for steel-making slag

#65
20140291899
2014-10-02

Apparatus for inducing flow in a molten material

#66
20140247856
2014-09-04

Slag-supplying container for use in electric furnace for reduction processing of steel-making slag

#67
20140239562
2014-08-28

Material supply apparatus and process

#68
20140010255
2014-01-09

Apparatus for conveying and pre-heating a metal charge for a melting plant and connected method

#69
20130328251
2013-12-12

Apparatus for pre-heating a metal charge for a melting plant and connected method

#70
20130211581
2013-08-15

Method and control and tracking system of the charge of material transported by a continuous supply conveyor of a metallurgical furnace, particularly an electric furnace for the production of steel

#71
20130208755
2013-08-15

Lift and pivot device for a cover of a furnace and furnace system and method for charging and servicing such a furnace system

#72
20130181383
2013-07-18

Melt metallurgical installation comprising a charging element

#73
20130118306
2013-05-16

Process and plant for producing hot metal

#74
20130106033
2013-05-02

Continuous feeding system to a smelting furnace of pre-heated metal material, in continuous, potentiated and combined form

#75
20130051423
2013-02-28

METHOD FOR DETERMINING A TIME FOR CHARGING AN ELECTRIC ARC FURNACE WITH MATERIAL TO BE MELTED, SIGNAL PROCESSING DEVICE, MACHINE-READABLE PROGRAM CODE, STORAGE MEDIUM AND ELECTRIC ARC FURNACE

#76
20120292835
2012-11-22

Pusher

#77
20120266966
2012-10-25

Metering system, dense phase conveying system and method for supplying bulk material in powder form

#78
20120257934
2012-10-11

METERING SYSTEM, DENSE PHASE CONVEYING SYSTEM AND METHOD FOR SUPPLYING BULK MATERIAL IN POWDER FORM

#79
20120234649
2012-09-20

Device and method for feeding metal material into a melting plant

#80
20120213684
2012-08-23

COMBUSTION OF CO AND COMBUSTIBLES IN STEEL FURNACE OFFGASES

#81
20120192678
2012-08-02

Methods of using tires and scrap rubber in the manufacture and melting of steel and other metals

#82
20120140786
2012-06-07

Method and furnace for melting steel scrap

#83
20120134384
2012-05-31

Electric arc furnace

#84
20120125152
2012-05-24

ELECTRIC ARC MELTING FACILITY AND METHOD FOR PRODUCING MOLTEN METAL BY USING ELECTRIC ARC MELTING FACILITY

#85
20120104668
2012-05-03

Continuous scrap supply into an electric arc furnace (EAF)

#86
20120097557
2012-04-26

Container having a sensor adapter

#87
20120048065
2012-03-01

Process for slag foaming a non-stainless steel melt in an electric arc furnace

#88
20120013053
2012-01-19

Apparatus for direct smelting of zinc bearing compounds to produce metallic zinc

#89
20120006156
2012-01-12

Steel production facility

#90
20110308354
2011-12-22

Material supply apparatus and process

#91
20110291333
2011-12-01

Method and device for introducing dust into a metal melt of a pyrometallurgical installation

#92
20110239822
2011-10-06

PRODUCTION OF FERRO-ALLOYS

#93
20110203412
2011-08-25

Method and furnace for melting steel scrap

#94
20110197708
2011-08-18

Process for producing foamed slag

#95
20110182700
2011-07-28

LOWER SEALING VALVE ASSEMBLY FOR A SHAFT FURNACE CHARGING INSTALLATION AND VALVE ACTUATION MECHANISM THEREFORE

#96
20110167959
2011-07-14

Method and device for introducing dust into a metal melt of a pyrometallurgical installation

#97
20110146447
2011-06-23

Method for controlling foamed slag in a stainless melt in an electronic arc furnace

#98
20110126671
2011-06-02

Methods of using tires and scrap rubber in the manufacture and melting of steel and other metals

#99
20110101577
2011-05-05

Conveyor system, composite system and method for coupling metallurgical methods

#100
20110094340
2011-04-28

COMBUSTION OF CO AND COMBUSTIBLES IN STEEL FURNACE OFFGASES

#101
20110094337
2011-04-28

Steelmaking facility comprising a direct reduction plant and an electric-arc furnace

#102
20110088514
2011-04-21

Process for producing a foamed slag on austenitic stainless melts in an electric arc furnace

#103
20110036201
2011-02-17

Method for manufacturing molten metal

#104
20100326240
2010-12-30

Control method for melting a metal charge and weighing device used in said method

#105
20100263488
2010-10-21

Method of production of secondary steel based on scrap

#106
20100258985
2010-10-14

Installation for production of secondary steel based on scrap

#107
20100154594
2010-06-24

Method of melting a mixture of scrap metal using scrap rubber

#108
20100154592
2010-06-24

Methods of using tires and scrap rubber in the manufacture and melting of steel and other metals

#109
20100126312
2010-05-27

Direct smelting of zinc bearing compounds to produce metallic zinc

#110
20100126311
2010-05-27

DIRECT PROCESSING OF METALLIC ORE CONCENTRATES INTO FERROALLOYS

#111
20100126310
2010-05-27

Direct processing of ferrotitania ores and sands

#112
20100089202
2010-04-15

Method for the reduction of a slag having a high degree of chromium in an electric arc furnace

#113
20100058892
2010-03-11

Method for preheating iron agglomerates

#114
20090293671
2009-12-03

Electric arc furnace steelmaking

#115
20090255375
2009-10-15

Method for the production of a foamed slag in a metal bath

#116
20090255374
2009-10-15

Methods of using tires and scrap rubber in the manufacture and melting of steel and other metals

#117
20090230600
2009-09-17

Smelting or reduction furnace, in particular electric arc furnace with an open, semi-closed or closed configuration

#118
20090193933
2009-08-06

Pre-Processing Materials Using Encapsulation Technologies

#119
20090107295
2009-04-30

Method and apparatus for the recovery of refractory debris materials and ladle slags as process slags in iron metallurgy production in EAFs, and the related metering to the furnace for the formation of the process slag

#120
20090051084
2009-02-26

Means for conveying material

#121
20090051083
2009-02-26

Reduction furnace

#122
20090049955
2009-02-26

Method and apparatus for the recovery of the secondary metallurgy (LF) slag and its recycling in the steel production process by means of electric furnace

#123
20080314198
2008-12-25

Method of melting a mixture of scrap metal using scrap rubber

#124
20080289450
2008-11-27

Conveyor system, composite system and method for coupling metallurgical methods

#125
20080267250
2008-10-30

Equipment for measurement and control of load material or scrap feeding into a furnace and relative method

#126
20080267249
2008-10-30

Method to control the feed of the metal charge for electric arc furnaces

#127
20080257105
2008-10-23

Methods of using tires and scrap rubber in the manufacture and melting of steel and other metals

#128
20080236335
2008-10-02

Method and system for the supply of hot direct reduced iron for multiple uses

#129
20080230966
2008-09-25

SCRAP MELTER AND IMPELLER THEREFORE

#130
20080115625
2008-05-22

Method and installation for production of secondary steel based on scrap

#131
20080000327
2008-01-03

Method and apparatus for charging hot direct reduced iron from hot transport vessels into a melter or finisher

#132
20070257406
2007-11-08

Distributor Of Hot Feed Material

#133
20070192070
2007-08-16

IMAGING SYSTEM AND METHOD FOR DETERMINING FALLING CURVES

#134
20070138714
2007-06-21

Device for melting down metal-containing material

#135
20070101821
2007-05-10

Method for pre-heating, transforming and melting a metal charge and relative plant

#136
20070082312
2007-04-12

Method of charging fine-grained metals into an electric-arc furnace

#137
20060153726
2006-07-13

Hot material conveyor

#138
20050229743
2005-10-20

Methods of using tires and scrap rubber in the manufacture and melting of steel and other metals

#139
18312205
2025-11-04

Method and system for injecting additional materials into a steelmaking vessel