ClassID:

118714

C21B5/008 - CPC Classification

Classification description:

Making pig-iron in the blast furnace Composition or distribution of the charge

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
20260043098
2026-02-12

METHOD FOR PRODUCING PIG IRON

#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
20250092475
2025-03-20

ESTIMATION METHOD OF DEPOSITIONAL SHAPE OF CHARGED MATERIAL INSIDE BLAST FURNACE AND REPLACEMENT METHOD OF COKE INSIDE BLAST FURNACE

#9
20250083232
2025-03-13

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

#10
20250083231
2025-03-13

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

#11
20250083230
2025-03-13

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

#12
20250083224
2025-03-13

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

#13
20250083223
2025-03-13

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

#14
20240368731
2024-11-07

Process for the Production of Zinc Oxide Concentrate and Iron Ecosinter from Steelmaking Wastes and Product Obtained by Such Process

#15
20240240274
2024-07-18

PIG IRON-PRODUCING METHOD AND IRON ORE MATERIAL

#16
20240229175
2024-07-11

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

#17
20240229174
2024-07-11

Method of manufacturing steel

#18
20240167111
2024-05-23

METHOD FOR PRODUCING PIG IRON

#19
20240167110
2024-05-23

RAW MATERIAL PARTICLES FOR PRODUCTION OF AGGLOMERATE, METHOD FOR PRODUCING RAW MATERIAL PARTICLES FOR PRODUCTION OF AGGLOMERATE, AGGLOMERATE, METHOD FOR PRODUCING AGGLOMERATE, AND METHOD FOR PRODUCING REDUCED IRON

#20
20240167109
2024-05-23

METHOD FOR PRODUCING PIG IRON

#21
20240132984
2024-04-25

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

#22
20240132983
2024-04-25

Method of manufacturing steel

#23
20230313328
2023-10-05

PRODUCTION METHOD OF PIG IRON

#24
20230049624
2023-02-16

Ironmaking feedstock

#25
20220380859
2022-12-01

METHOD FOR OPERATING BLAST FURNACE

#26
20220213565
2022-07-07

Cooperative emission reduction method for sintering using energy-carrying composite gas medium

#27
20220177985
2022-06-09

METHOD FOR OPERATION OF BLAST FURNACE

#28
20220098701
2022-03-31

Bio-reduction of metal ores integrated with biomass pyrolysis

#29
20220098685
2022-03-31

Bio-reduction of metal ores integrated with biomass pyrolysis

#30
20200347468
2020-11-05

P process of making pig iron in a blast furnace using pellets containing thermoplastic and cellulosic materials

#31
20200347467
2020-11-05

IRONMAKING FEEDSTOCK

#32
20200299792
2020-09-24

Blast furnace operation method

#33
20200010922
2020-01-09

Charge for Producing Iron-Ore Pellets (Variants)

#34
20190370953
2019-12-05

Fine ratio measuring device and fine ratio measuring system

#35
20180371559
2018-12-27

Blast furnace stockhouse arrangement

#36
20180209004
2018-07-26

SURFACE DETECTION APPARATUS OF BLAST FURNACE BURDEN AND DETECTION METHOD

#37
20170183748
2017-06-29

METHOD AND DEVICE FOR PROCESSING IRON SILICATE ROCK

#38
20170016080
2017-01-19

Method for loading and depositing loaded material in blast furnace, loaded material surface detection device, and method for operating blast furnace

#39
20160341825
2016-11-24

Device for determining the topography of the burden surface in a shaft furnace

#40
20160222478
2016-08-04

Method and device for manufacturing granulates

#41
20160083809
2016-03-24

Method for producing an agglomerate made of fine material containing metal oxide for use as a blast furnace feed material

#42
20150275321
2015-10-01

Method for operating blast furnace and method for producing molten pig iron

#43
20150218666
2015-08-06

BLAST FURNACE INSTALLATION

#44
20150203930
2015-07-23

Method for preparing blast furnace blow-in coal

#45
20150203929
2015-07-23

METHOD FOR PRODUCING PIG IRON AND BLAST FURNACE FACILITY USING SAME

#46
20150191804
2015-07-09

Blast-furnace blowing coal and method for producing same

#47
20150159952
2015-06-11

Method for iron-making with full oxygen and hydrogen-rich gas and equipment thereof

#48
20130320049
2013-12-05

Powder supply apparatus and powder supply method

#49
20130038003
2013-02-14

MIXING DRUM FOR A BLAST FURNACE

#50
20120312125
2012-12-13

Method for iron-making with full oxygen and hydrogen-rich gas and equipment thereof

#51
20120247733
2012-10-04

Process for application of alcoholic derivative on heat treated pellets for inhibition of particulate emission and system for application of alcoholic derivative on heat treated pellets for inhibition of particulate emission

#52
20120205839
2012-08-16

Method for operating blast furnace

#53
20120180599
2012-07-19

Method for producing an agglomerate made of fine material containing metal oxide for use as a blast furnace feed material

#54
20120144955
2012-06-14

METHOD AND APPARATUS FOR CARRYING OUT A METALLURGICAL PROCESS

#55
20110282494
2011-11-17

Computer system and method for controlling charging of a blast furnace by means of a user interface

#56
20110193274
2011-08-11

Resident measurement system for charge level of blast furnace

#57
20110036203
2011-02-17

Method of iron smelting in blast furnace with high temperature coal Gas

#58
20110030842
2011-02-10

Method and apparatus for carrying out a metallurgical process

#59
20100206131
2010-08-19

Self-fluxing pellets for blast furnace and method for manufacturing the same

#60
20100122607
2010-05-20

Method and apparatus for carrying out a metallurgical process

#61
20100068088
2010-03-18

Hot briquette iron and method for producing the same

#62
20100031777
2010-02-11

Ore treating method, ore treating apparatus, iron manufacturing method, and iron and steel manufacturing method

#63
20090095129
2009-04-16

Process for enhancing dry compressive strengsth in iron ore pelletizing

#64
20060182555
2006-08-17

Method and device for distributing a lumpy bulk material

#65
20050274224
2005-12-15

Method and apparatus for carrying out a metallurgical process