Treating molten ferrous alloys

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CPC
C21C7/00

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Parent Industries

CCHEMISTRY METALLURGY C21Iron metallurgy C21CPROCESSING OF PIG-IRON

Current Industry

Sub Industries

C21C7/0006Adding metallic additives C21C7/0025Adding carbon material C21C7/0037by injecting powdered material C21C7/0043into the falling stream of molten metal C21C7/005using exothermic reaction compositions C21C7/0056using cored wires C21C7/0068by introducing material into a current of streaming metal C21C7/0075Treating in a ladle furnace C21C7/0081Treating and handling under pressure C21C7/0087Treatment of slags covering the steel bath C21C7/04Removing impurities by adding a treating agent C21C7/06Deoxidising C21C7/064Dephosphorising Desulfurising C21C7/0645Agents used for dephosphorising or desulfurising C21C7/068Decarburising C21C7/0685of stainless steel C21C7/072Treatment with gases C21C7/076Use of slags or fluxes as treating agents C21C7/10Handling in a vacuum

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Molten steel denitrification method and steel production method
- Patent number 12,252,754
- Issue date Mar 18, 2025
- JFE Steel Corporation
- Hidemitsu Negishi
- C21 - METALLURGY OF IRON
Information Patent Grant
Systems and methods for self-reduction of iron ore
- Patent number 12,252,753
- Issue date Mar 18, 2025
- Charm Industrial, Inc.
- Peter Reinhardt
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for controlling nitrogen in steelmaking by spraying hydrogen...
- Patent number 12,234,521
- Issue date Feb 25, 2025
- Xuanhua Iron and Steel Group Co., Ltd.
- Hongbin Wang
- C21 - METALLURGY OF IRON
Information Patent Grant
Degassing method for manufacturing steel
- Patent number 12,227,813
- Issue date Feb 18, 2025
- United States Steel Corporation
- Yun Li
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for recycling chromium oxide and forming chromium-alloy steel
- Patent number 12,215,395
- Issue date Feb 4, 2025
- SAUDI IRON AND STEEL COMPANY (HADEED)
- Mansour Nasser Alharbi
- C21 - METALLURGY OF IRON
Information Patent Grant
Cored wire for out-of-furnace treatment of metallurgical melts
- Patent number 12,203,146
- Issue date Jan 21, 2025
- RESEARCH AND DEVELOPMENT CENTER NPP, LIMITED LIABILITY COMPANY
- Anton Iakovlevich Dynin
- C21 - METALLURGY OF IRON
Information Patent Grant
Operation method of ladle refining treatment
- Patent number 12,172,208
- Issue date Dec 24, 2024
- JFE Steel Corporation
- Kazuaki Hirakawa
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Degassing method for manufacturing ultra-low carbon, nitrogen, sulf...
- Patent number 12,168,808
- Issue date Dec 17, 2024
- United States Steel Corporation
- Yun Li
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and device for controlling temperature of molten steel durin...
- Patent number 12,146,200
- Issue date Nov 19, 2024
- University of Science and Technology Beijing
- Qing Liu
- C21 - METALLURGY OF IRON
Information Patent Grant
High performance alloy for corrosion resistance
- Patent number 12,138,674
- Issue date Nov 12, 2024
- Saudi Arabian Oil Company
- Oladele Owoeye
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel material for steel piston
- Patent number 12,134,812
- Issue date Nov 5, 2024
- Nippon Steel Corporation
- Yutaka Neishi
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing chromium-containing molten iron
- Patent number 12,134,799
- Issue date Nov 5, 2024
- Nippon Steel Corporation
- Norifumi Asahara
- C21 - METALLURGY OF IRON
Information Patent Grant
Converter bottom blowing system capable of allowing multiple media...
- Patent number 12,123,063
- Issue date Oct 22, 2024
- University of Science and Technology Beijing
- Kai Dong
- C21 - METALLURGY OF IRON
Information Patent Grant
Ultra-clean rare earth steel and occluded foreign substance modific...
- Patent number 12,091,733
- Issue date Sep 17, 2024
- Institute of Metal Research Chinese Academy of Sciences
- Dianzhong Li
- C21 - METALLURGY OF IRON
Information Patent Grant
Nickel-based superalloy steel and preparation method thereof
- Patent number 12,084,748
- Issue date Sep 10, 2024
- Zhejiang Dalong New Materials Co., Ltd.
- Rongxin Yu
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for smelting low-phosphorus high-manganese steel based on re...
- Patent number 12,071,681
- Issue date Aug 27, 2024
- North China University of Science and Technology
- Tao Li
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing an improved ductile iron alloy with pearlitic...
- Patent number 12,065,723
- Issue date Aug 20, 2024
- Verdeloong Enterprises Pty. Ltd.
- Mathew Lagoon
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing steel
- Patent number 12,054,796
- Issue date Aug 6, 2024
- Nippon Steel Corporation
- Toshiaki Mizoguchi
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for smelting low nitrogen steel using electric furnace
- Patent number 12,018,341
- Issue date Jun 25, 2024
- Baoshan Iron & Steel Co., Ltd.
- Yingtie Xu
- C21 - METALLURGY OF IRON
Information Patent Grant
Recycling method for manufacturing high speed steel master alloy fr...
- Patent number 11,987,867
- Issue date May 21, 2024
- T&E INC.
- Bae Gyun Kim
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for manufacturing a slag conditioning agent for steel desul...
- Patent number 11,932,914
- Issue date Mar 19, 2024
- S.A. Lhoist Recherche et Developpement
- Eric Perrin
- C21 - METALLURGY OF IRON
Information Patent Grant
Device for trapping hydrogen
- Patent number 11,932,920
- Issue date Mar 19, 2024
- CONSTELLIUM ISSOIRE
- Jocelyn Prigent
- C21 - METALLURGY OF IRON
Information Patent Grant
Directionally solidified high-boron and high-vanadium high-speed st...
- Patent number 11,878,344
- Issue date Jan 23, 2024
- Xi'an Jiaotong University
- Shengqiang Ma
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
High performance alloy for corrosion resistance
- Patent number 11,794,228
- Issue date Oct 24, 2023
- Saudi Arabian Oil Company
- Oladele Owoeye
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Mold flux and casting method using same
- Patent number 11,794,238
- Issue date Oct 24, 2023
- POSCO Co., Ltd
- Jun Yong Park
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing high nitrogen steel by duplex melting process...
- Patent number 11,732,337
- Issue date Aug 22, 2023
- Northeastern University
- Huabing Li
- C21 - METALLURGY OF IRON
Information Patent Grant
Slag discharging method in process of producing ultra-low phosphoru...
- Patent number 11,718,885
- Issue date Aug 8, 2023
- NANYANG HANYE SPECIAL STEEL CO., LTD
- Shucheng Zhu
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of making steel by deeply dephosphorization in hot metal tan...
- Patent number 11,674,192
- Issue date Jun 13, 2023
- University of Science and Technology Beijing
- Yanling Zhang
- C21 - METALLURGY OF IRON
Information Patent Grant
Rare-earth microalloyed steel and control method
- Patent number 11,655,512
- Issue date May 23, 2023
- Institute of Metal Research Chinese Academy of Sciences
- Dianzhong Li
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for removing phosphorus from phosphorus-containing substance
- Patent number 11,649,514
- Issue date May 16, 2023
- JFE Steel Corporation
- Kenji Nakase
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
HOT-ROLLED, LOW-TEMPERATURE-RESISTANT, H-SHAPED STEEL WITH GRADE OF...
- Publication number 20250092480
- Publication date Mar 20, 2025
- SHANDONG IRON AND STEEL COMPANY LTD.
- Zhongxue Wang
- B22 - CASTING POWDER METALLURGY
Information Patent Application
PROCESS FOR PRODUCING CLEAN STEEL WITH A LOW NITROGEN CONTENT USING...
- Publication number 20250083218
- Publication date Mar 13, 2025
- Ternium Mexico S.A. de C.V.
- Francisco Fernando IBARRA CASTILLO
- B22 - CASTING POWDER METALLURGY
Information Patent Application
USE OF RESIDUAL IRON WITHIN GRANULATED METALLIC UNIT PRODUCTION FAC...
- Publication number 20250083231
- Publication date Mar 13, 2025
- SunCoke Technology and Development LLC
- John Francis QUANCI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
USE OF A BASIC OXYGEN FURNACE TO PRODUCE GRANULATED METALLIC UNITS,...
- Publication number 20250083230
- Publication date Mar 13, 2025
- SunCoke Technology and Development LLC
- John Francis QUANCI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
CONTINUOUS GRANULATED METALLIC UNITS PRODUCTION, AND ASSOCIATED SYS...
- Publication number 20250083232
- Publication date Mar 13, 2025
- SunCoke Technology and Development LLC
- John Francis QUANCI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
NI-FREE MICRO-ALLOYED HIGH-STRENGTH STEEL WITH ULTRA-LOW TEMPERATUR...
- Publication number 20250043375
- Publication date Feb 6, 2025
- WUHAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Kaiming WU
- C21 - METALLURGY OF IRON
Information Patent Application
COMPOSITE ADDITIVE FOR FORMING INCLUSIONS WITH CORE-SHELL STRUCTURE...
- Publication number 20250043371
- Publication date Feb 6, 2025
- WUHAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Kaiming WU
- C21 - METALLURGY OF IRON
Information Patent Application
DEGASSING METHOD FOR MANUFACTURING ULTRA-LOW CARBON, NITROGEN, SULF...
- Publication number 20250043372
- Publication date Feb 6, 2025
- UNITED STATES STEEL CORPORATION
- Yun Li
- C21 - METALLURGY OF IRON
Information Patent Application
SEAWATER CORROSION-RESISTANT MARINE ENGINEERING STEEL AND PREPARATI...
- Publication number 20250043374
- Publication date Feb 6, 2025
- WUHAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Kaiming WU
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STEEL WITH EXCELLENT NEUTRAL AQUEOUS MEDIUM CORROSION...
- Publication number 20250043378
- Publication date Feb 6, 2025
- WUHAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Kaiming WU
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR CONTROLLING NITROGEN IN STEELMAKING BY SPRAYING HYDROGEN...
- Publication number 20240401161
- Publication date Dec 5, 2024
- Xuanhua Iron and Steel Group Co., Ltd.
- Hongbin WANG
- C21 - METALLURGY OF IRON
Information Patent Application
VACUUM DEGASSING PLANT AND PROCESS FOR THE INERTISATION OF PYROPHOR...
- Publication number 20240399272
- Publication date Dec 5, 2024
- DANIELI & C. OFFICINE MECCANICHE SPA
- Harald KOBLENZER
- C21 - METALLURGY OF IRON
Information Patent Application
ULTRA-HIGH STRENGTH SPRING STEEL AND PREPARATION METHOD THEREOF
- Publication number 20240392404
- Publication date Nov 28, 2024
- Shandong Jianzhu University
- Simon Yisheng Feng
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD FOR REFINING MOLTEN IRON
- Publication number 20240392400
- Publication date Nov 28, 2024
- Industry-Academic Cooperation Foundation, Yonsei University
- Gyo Khang PARK
- C21 - METALLURGY OF IRON
Information Patent Application
PRECIPITATION HARDENING MARTENSITIC STAINLESS STEEL HAVING EXCELLEN...
- Publication number 20240376561
- Publication date Nov 14, 2024
- Nippon Yakin Kogyo Co., Ltd.
- Xin JI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
ALUMINUM ALLOY DEOXIDIZER WITH CARBON COMPOUNDS
- Publication number 20240360527
- Publication date Oct 31, 2024
- HF investment Co., LTD.
- CHIEN-HAO LEE
- C21 - METALLURGY OF IRON
Information Patent Application
METALLURGICAL FURNACE WITH CARBON INJECTING LANCE
- Publication number 20240344156
- Publication date Oct 17, 2024
- METIX (PROPRIETARY) LIMITED
- Gabriel Jacobus LOTTER
- C21 - METALLURGY OF IRON
Information Patent Application
V-N MICROALLOYED STEEL AND METHOD FOR PRODUCING V-N MICROALLOYED AN...
- Publication number 20240327963
- Publication date Oct 3, 2024
- LAIWU STEEL YINSHAN SECTION CO., LTD.
- Zhongxue WANG
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD FOR IF-INTERSTITIAL FREE STEEL PRODUCTION USING SCRAP IN ARC...
- Publication number 20240327938
- Publication date Oct 3, 2024
- ÇOLAKOGLU METALURJI ANONIM SIRKETI
- Murat GUNERDI
- C21 - METALLURGY OF IRON
Information Patent Application
SUSTAINABLE STEEL PRODUCTION WITH CO-GENERATION OF HYDROGEN
- Publication number 20240327939
- Publication date Oct 3, 2024
- Saudi Arabian Oil Company
- Faisal B. Almutairi
- C21 - METALLURGY OF IRON
Information Patent Application
HEAT RECOVERY ON STEEL SLAG
- Publication number 20240309479
- Publication date Sep 19, 2024
- JOHN COCKERILL S.A.
- Thomas Thoelen
- C21 - METALLURGY OF IRON
Information Patent Application
A METHOD FOR PROCESSING IRON ORE TO OBTAIN STEEL
- Publication number 20240309475
- Publication date Sep 19, 2024
- METSO METALS OY
- Timo HAIMI
- C21 - METALLURGY OF IRON
Information Patent Application
MOLTEN STEEL REFINING METHOD
- Publication number 20240294998
- Publication date Sep 5, 2024
- JFE STEEL CORPORATION
- Akifumi HARADA
- C21 - METALLURGY OF IRON
Information Patent Application
TREATMENT METHOD OF MOLTEN STEEL AND STEEL PRODUCTION METHOD
- Publication number 20240287632
- Publication date Aug 29, 2024
- JFE STEEL CORPORATION
- Hidemitsu NEGISHI
- C21 - METALLURGY OF IRON
Information Patent Application
MOLTEN STEEL REFINING METHOD
- Publication number 20240287633
- Publication date Aug 29, 2024
- JFE STEEL CORPORATION
- Akifumi HARADA
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PREPARING TITANIUM-CONTAINING ULTRA-LOW-CARBON STEEL
- Publication number 20240287635
- Publication date Aug 29, 2024
- Baoshan Iron & Steel Co., Ltd
- Hantao HU
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD FOR FORMING A FOAMY SLAG IN AN ELECTRIC ARC FURNACE
- Publication number 20240279760
- Publication date Aug 22, 2024
- PIPEX ENERGY S.R.L.
- Luca OREFICI
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING HYPEREUTECTOID STEEL RAIL RESISTANT TO CONTACT...
- Publication number 20240279784
- Publication date Aug 22, 2024
- Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd.
- Jun YUAN
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR SECONDARILY REFINING MOLTEN STEEL AND METHOD OF PRODUCIN...
- Publication number 20240271234
- Publication date Aug 15, 2024
- JFE STEEL CORPORATION
- Chikashi TADA
- C21 - METALLURGY OF IRON
Information Patent Application
MOLTEN STEEL DENITRIFICATION METHOD AND STEEL PRODUCTION METHOD
- Publication number 20240271235
- Publication date Aug 15, 2024
- JFE STEEL CORPORATION
- Hidemitsu NEGISHI
- C21 - METALLURGY OF IRON

Treating molten ferrous alloys

Industry

Parent Industries

Current Industry

Sub Industries

Patents Grantslast 30 patents

Molten steel denitrification method and steel production method

Systems and methods for self-reduction of iron ore

Method for controlling nitrogen in steelmaking by spraying hydrogen...

Degassing method for manufacturing steel

Method for recycling chromium oxide and forming chromium-alloy steel

Cored wire for out-of-furnace treatment of metallurgical melts

Operation method of ladle refining treatment

Degassing method for manufacturing ultra-low carbon, nitrogen, sulf...

Method and device for controlling temperature of molten steel durin...

High performance alloy for corrosion resistance

Steel material for steel piston

Method for producing chromium-containing molten iron

Converter bottom blowing system capable of allowing multiple media...

Ultra-clean rare earth steel and occluded foreign substance modific...

Nickel-based superalloy steel and preparation method thereof

Method for smelting low-phosphorus high-manganese steel based on re...

Method for producing an improved ductile iron alloy with pearlitic...

Method for producing steel

Method for smelting low nitrogen steel using electric furnace

Recycling method for manufacturing high speed steel master alloy fr...

Process for manufacturing a slag conditioning agent for steel desul...

Device for trapping hydrogen

Directionally solidified high-boron and high-vanadium high-speed st...

High performance alloy for corrosion resistance

Mold flux and casting method using same

Method for producing high nitrogen steel by duplex melting process...

Slag discharging method in process of producing ultra-low phosphoru...

Method of making steel by deeply dephosphorization in hot metal tan...

Rare-earth microalloyed steel and control method

Method for removing phosphorus from phosphorus-containing substance

Patents Applicationslast 30 patents

HOT-ROLLED, LOW-TEMPERATURE-RESISTANT, H-SHAPED STEEL WITH GRADE OF...

PROCESS FOR PRODUCING CLEAN STEEL WITH A LOW NITROGEN CONTENT USING...

USE OF RESIDUAL IRON WITHIN GRANULATED METALLIC UNIT PRODUCTION FAC...

USE OF A BASIC OXYGEN FURNACE TO PRODUCE GRANULATED METALLIC UNITS,...

CONTINUOUS GRANULATED METALLIC UNITS PRODUCTION, AND ASSOCIATED SYS...

NI-FREE MICRO-ALLOYED HIGH-STRENGTH STEEL WITH ULTRA-LOW TEMPERATUR...

COMPOSITE ADDITIVE FOR FORMING INCLUSIONS WITH CORE-SHELL STRUCTURE...

DEGASSING METHOD FOR MANUFACTURING ULTRA-LOW CARBON, NITROGEN, SULF...

SEAWATER CORROSION-RESISTANT MARINE ENGINEERING STEEL AND PREPARATI...

HIGH-STRENGTH STEEL WITH EXCELLENT NEUTRAL AQUEOUS MEDIUM CORROSION...

METHOD FOR CONTROLLING NITROGEN IN STEELMAKING BY SPRAYING HYDROGEN...

VACUUM DEGASSING PLANT AND PROCESS FOR THE INERTISATION OF PYROPHOR...

ULTRA-HIGH STRENGTH SPRING STEEL AND PREPARATION METHOD THEREOF

METHOD FOR REFINING MOLTEN IRON

PRECIPITATION HARDENING MARTENSITIC STAINLESS STEEL HAVING EXCELLEN...

ALUMINUM ALLOY DEOXIDIZER WITH CARBON COMPOUNDS

METALLURGICAL FURNACE WITH CARBON INJECTING LANCE

V-N MICROALLOYED STEEL AND METHOD FOR PRODUCING V-N MICROALLOYED AN...

METHOD FOR IF-INTERSTITIAL FREE STEEL PRODUCTION USING SCRAP IN ARC...

SUSTAINABLE STEEL PRODUCTION WITH CO-GENERATION OF HYDROGEN

HEAT RECOVERY ON STEEL SLAG

A METHOD FOR PROCESSING IRON ORE TO OBTAIN STEEL

MOLTEN STEEL REFINING METHOD

TREATMENT METHOD OF MOLTEN STEEL AND STEEL PRODUCTION METHOD

MOLTEN STEEL REFINING METHOD

METHOD FOR PREPARING TITANIUM-CONTAINING ULTRA-LOW-CARBON STEEL

METHOD FOR FORMING A FOAMY SLAG IN AN ELECTRIC ARC FURNACE

METHOD FOR PRODUCING HYPEREUTECTOID STEEL RAIL RESISTANT TO CONTACT...

METHOD FOR SECONDARILY REFINING MOLTEN STEEL AND METHOD OF PRODUCIN...

MOLTEN STEEL DENITRIFICATION METHOD AND STEEL PRODUCTION METHOD