ClassID:

118754

C21B11/10 - CPC Classification

Classification description:

Making pig-iron other than in blast furnaces in electric furnaces

Recent Application in this class:
#1
20260071286
2026-03-12

METHOD OF PRODUCING HOT METAL USING SOLID-REDUCING FURNACE AND SUBMERGED ARC FURNACE

#2
20260043100
2026-02-12

A method for manufacturing pig iron in an electrical smelting furnace and associated electrical smelting furnace

#3
20260028687
2026-01-29

A method for manufacturing pig iron in an electrical smelting furnace and associated electrical smelting furnace

#4
20260022430
2026-01-22

A method for producing molten pig iron into an electrical smelting unit

#5
20260022429
2026-01-22

A method for manufacturing pig iron in an electrical smelting furnace and associated electrical smelting furnace

#6
20260022428
2026-01-22

Method for manufacturing pig iron into an electrical smelting furnace and associated smelting furnace

#7
20260015682
2026-01-15

A method for manufacturing pig iron in an electrical smelting furnace and associated smelting furnace

#8
20260009095
2026-01-08

A method of manufacturing molten pig iron into an electrical smelting unit

#9
20250388985
2025-12-25

A method for manufacturing pig iron in an electrical smelting furnace and associated electrical smelting furnace

#10
20250290170
2025-09-18

HOT-ROLLED STEEL SHEET, PART FOR VEHICLE, AND METHOD FOR MANUFACTURING SAME

#11
20250188553
2025-06-12

METHOD FOR PRODUCING MOLTEN IRON USING ELECTRIC FURNACE

#12
20250011888
2025-01-09

METHOD FOR REDUCING CARBON FOOTPRINT IN OPERATING A METALLURGICAL PLANT FOR PRODUCING PIG IRON

#13
20240417818
2024-12-19

METHOD FOR PREDICTING IMPURITY CONCENTRATION OF MOLTEN IRON, METHOD FOR PRODUCING MOLTEN IRON, METHOD FOR CREATING TRAINED MACHINE LEARNING MODEL, AND DEVICE FOR PREDICTING IMPURITY CONCENTRATION OF MOLTEN IRON

#14
20240368716
2024-11-07

MOLTEN PIG IRON MANUFACTURING METHOD

#15
20240287640
2024-08-29

Solid agglomerated product based on iron oxides and corresponding production method

#16
20240218474
2024-07-04

DIRECT REDUCED IRON SYSTEM AND METHOD USING SYNTHETIC COMBUSTION AIR

#17
20240102119
2024-03-28

AGGLOMERATED STONE FOR USE IN AN ELECTRIC FURNACE

#18
20240085110
2024-03-14

METHOD OF PRODUCING MOLTEN IRON USING ELECTRIC FURNACE INCLUDING VIDEO DEVICE

#19
20240035102
2024-02-01

METHOD FOR PRODUCING MOLTEN IRON USING ELECTRIC FURNACE

#20
20230416854
2023-12-28

SYSTEMS AND METHODS FOR STEEL PRODUCTION

#21
20230257838
2023-08-17

Systems and methods for steel production

#22
20230002853
2023-01-05

Production of Iron

#23
20230002852
2023-01-05

Production of iron

#24
20220389527
2022-12-08

Method for producing molten steel

#25
20220372587
2022-11-24

DIRECT REDUCED IRON SYSTEM AND METHOD USING SYNTHETIC COMBUSTION AIR

#26
20220243293
2022-08-04

Electrolytic smelting system

#27
20210214812
2021-07-15

Method and apparatus for the production of cast iron, cast iron produced according to said method

#28
20210190427
2021-06-24

Electric furnace and method for melting and reducing iron oxide-containing iron raw material

#29
20200199696
2020-06-25

FOAMY SLAG CONDITIONER COMPOUND

#30
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

#31
20190241990
2019-08-08

Production of iron

#32
20190230746
2019-07-25

Method for ironmaking by smelting reduction in stir-generated vortex

#33
20190161816
2019-05-30

SMELTING METHOD FOR METALLURGICAL ELECTRIC-FURNACE

#34
20180320246
2018-11-08

ELECTRIC ARC FURNACE DUST AS COATING MATERIAL FOR IRON ORE PELLETS FOR USE IN DIRECT REDUCTION PROCESSES

#35
20180274047
2018-09-27

Method and apparatus for the production of cast iron, cast iron produced according to said method

#36
20180195140
2018-07-12

Coated iron ore pellets and a process of making and reducing the same to form reduced iron pellets

#37
20170335416
2017-11-23

METHOD OF PRODUCTION AND APPARATUS FOR PRODUCTION OF REDUCED IRON

#38
20170073781
2017-03-16

Production method of granular metallic iron

#39
20160186291
2016-06-30

Continuous Ore Process and Apparatus Using Plasma

#40
20160060726
2016-03-03

Green process for the preparation of pure iron

#41
20150061200
2015-03-05

Apparatus for making liquid iron and steel

#42
20150040722
2015-02-12

Iron reduction process and equipment

#43
20150023833
2015-01-22

Manufacturing method for electric furnace steel for carburizing without Mo addition

#44
20150013498
2015-01-15

METHOD OF PRODUCTION AND APPARATUS FOR PRODUCTION OF REDUCED IRON

#45
20140373677
2014-12-25

Process for Carbothermic or Electrothermic Production of Crude Iron or Base Products

#46
20140345422
2014-11-27

Method for recovering valuable metals

#47
20130264753
2013-10-10

Process and plant for producing char and fuel gas

#48
20130139647
2013-06-06

Partially-reduced iron producing method and partially-reduced iron producing apparatus

#49
20120031232
2012-02-09

Method and apparatus for coproduction of pig iron and high quality syngas

#50
20120013053
2012-01-19

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

#51
20110036201
2011-02-17

Method for manufacturing molten metal

#52
20100263487
2010-10-21

Process and plant for producing char and fuel gas

#53
20100180723
2010-07-22

Method for manufacturing molten iron

#54
20100126312
2010-05-27

Direct smelting of zinc bearing compounds to produce metallic zinc

#55
20100126311
2010-05-27

DIRECT PROCESSING OF METALLIC ORE CONCENTRATES INTO FERROALLOYS

#56
20100126310
2010-05-27

Direct processing of ferrotitania ores and sands

#57
20090266200
2009-10-29

Method for reducing metal oxide slags or glasses and/or for degassing mineral melts, and device for carrying out said method

#58
20090077891
2009-03-26

METHOD FOR PRODUCING FUEL GAS

#59
20090077889
2009-03-26

GASIFIER

#60
20070157761
2007-07-12

Use of an induction furnace for the production of iron from ore

#61
20060065071
2006-03-30

Method for utilizing slag