ClassID:

118865

C21C5/54 - 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 Processes yielding slags of special composition

Recent Application in this class:
#1
20250179598
2025-06-05

METHOD FOR RECYCLING CHROMIUM OXIDE AND FORMING CHROMIUM-ALLOY STEEL

#2
20240318271
2024-09-26

PROCESS FOR THE COMBINED MANUFACTURE OF STEEL AND CEMENT CLINKER

#3
20240279760
2024-08-22

METHOD FOR FORMING A FOAMY SLAG IN AN ELECTRIC ARC FURNACE

#4
20240229177
2024-07-11

METHOD FOR DEPHOSPHORIZATION OF MOLTEN IRON

#5
20230359519
2023-11-09

Cross-Correlation Of Metrics For Anomaly Root Cause Identification

#6
20230313330
2023-10-05

METHOD FOR MANUFACTURING LOW-PHOSPHORUS MOLTEN STEEL

#7
20220403478
2022-12-22

METHOD FOR MANUFACTURING MOLTEN IRON WITH ELECTRIC ARC FURNACE

#8
20220325392
2022-10-13

Cross-correlation of metrics for anomaly root cause identification

#9
20220195546
2022-06-23

Method for producing chromium-containing molten iron

#10
20220195545
2022-06-23

METHOD FOR PRODUCING CHROMIUM-CONTAINING MOLTEN IRON

#11
20220177986
2022-06-09

METHOD FOR MONITORING A STEELMAKING PROCESS AND ASSOCIATED COMPUTER PROGRAM

#12
20220170124
2022-06-02

Method for recycling chromium oxide and forming chromium-alloy steel

#13
20200347488
2020-11-05

Fe—Cr—Ni alloy and method for production thereof

#14
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

#15
20180363076
2018-12-20

Slag Conditioner for Electric Arc Furnace Steel Production

#16
20180187276
2018-07-05

Slag Conditioner

#17
20180002770
2018-01-04

Immersion probe and assembly of immersion sublance and immersion probe for a converter furnace

#18
20170176104
2017-06-22

Smelting process and apparatus

#19
20170081745
2017-03-23

Direct smelting process

#20
20160160302
2016-06-09

Fluxing agent, process of its production, agglomeration mixture and use of slug from secondary metallurgy

#21
20150344989
2015-12-03

Composite briquette for steelmaking or ironmaking furnace charge

#22
20150240321
2015-08-27

Advanced technology for iron-chrome alloys production and related plant

#23
20150007696
2015-01-08

Method of recovering Fe from steel-making slag

#24
20140352496
2014-12-04

BRIQUETTE FOR PRODUCING A FOAMED SLAG EFFECT IN EAF TECHNOLOGY IN STAINLESS STEEL PRODUCTION

#25
20140331820
2014-11-13

Method for reducing slag

#26
20130250996
2013-09-26

Slag discharge door device for an electric furnace

#27
20130180361
2013-07-18

Direct smelting process

#28
20130160606
2013-06-27

Controllable solids injection

#29
20130116105
2013-05-09

Direct smelting process

#30
20130025413
2013-01-31

Method for treatment of chrome-containing molten iron and slag

#31
20130000446
2013-01-03

METHOD FOR PRODUCING FOAMED SLAG ON HIGH-CHROMIUM MELTS IN AN ELECTRIC FURNACE

#32
20130000445
2013-01-03

METHOD OF SETTING A SLAG CONSISTENCY AND APPARATUS FOR CARRYING OUT THE METHOD

#33
20120180601
2012-07-19

Method of desulfurizing steel

#34
20120138253
2012-06-07

ADVANCED TECHNOLOGY FOR IRON-CHROME ALLOYS PRODUCTION AND RELATED PLANT

#35
20120048065
2012-03-01

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

#36
20110265608
2011-11-03

Process for production of ultra low phosphorous and carbon ferromanganese by using of ferromanganese slag

#37
20110239822
2011-10-06

PRODUCTION OF FERRO-ALLOYS

#38
20110220248
2011-09-15

POROUS MAGNESIA CLINKER, MANUFACTURING METHOD AND USE THEREOF AS FLUX FOR TREATING STEELMAKING SLAG

#39
20110197708
2011-08-18

Process for producing foamed slag

#40
20110182700
2011-07-28

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

#41
20110179907
2011-07-28

Method for processing solid or molten materials

#42
20110154946
2011-06-30

METHOD FOR PRODUCING FOAMED SLAG

#43
20110088514
2011-04-21

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

#44
20110023659
2011-02-03

Process for preparing a foaming slag former, product and use thereof

#45
20110023656
2011-02-03

METHOD FOR PRODUCING GRANULAR METALLIC IRON

#46
20100276102
2010-11-04

Low cost making of a low carbon, low sulfur, and low nitrogen steel using conventional steelmaking equipment

#47
20100193733
2010-08-05

Regenerated calcium aluminate product and process of manufacture

#48
20100089202
2010-04-15

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

#49
20100024596
2010-02-04

Low cost making of a low carbon, low sulfur, and low nitrogen steel using conventional steelmaking equipment

#50
20090229409
2009-09-17

Feed material composition and handling in a channel induction furnace

#51
20090229408
2009-09-17

Use of a channel induction furnace to process at least one of a molten metal product, a vapor phase metal product and a slag product from a variety of feed materials

#52
20090229407
2009-09-17

Reductant addition in a channel induction furnace

#53
20090229406
2009-09-17

Slag control in a channel induction furnace

#54
20080156144
2008-07-03

METHOD FOR REDUCING TO METALLIC CHROMIUM THE CHROMIUM OXIDE IN SLAG FROM STAINLESS STEEL PROCESSING

#55
20080069763
2008-03-20

Method for manufacturing titanium oxide-containing slag

#56
20070266902
2007-11-22

Regenerated calcium aluminate product and process of manufacture

#57
20070266824
2007-11-22

Using a slag conditioner to beneficiate bag house dust from a steel making furnace

#58
20070256516
2007-11-08

Steel making material recycling system

#59
20070079667
2007-04-12

METHOD OF PRODUCING STAINLESS STEEL BY RE-USING WASTE MATERIAL OF STAINLESS STEEL PRODUCING PROCESS

#60
20060278042
2006-12-14

Method of producing stainless steel by re-using waste material of stainless steel producing process

#61
20060260435
2006-11-23

Method for producing foamed slag on high-chromium melts in an electric furnace

#62
20060196227
2006-09-07

Method of producing foamed slag

#63
20060105901
2006-05-18

Slag conditioner composition, process for manufacture and method of use in steel production

#64
20060037673
2006-02-23

Chromium-containing metal and manufacturing method thereof

#65
20050179174
2005-08-18

Plant for use in continuous steelmaking process

#66
20050028643
2005-02-10

Method for producing titanium oxide containing slag