PROCESSING OF PIG-IRON

Industry

CPC
C21C

Parent Industries

CCHEMISTRY METALLURGY C21Iron metallurgy

Current Industry

Sub Industries

C21C1/00Refining of pig-iron Cast iron C21C2100/00Exhaust gas C21C2200/00Recycling of waste material C21C2250/00Specific additives Means for adding material different from burners or lances C21C2300/00Process aspects C21C3/00Manufacture of wrought-iron or wrought-steel C21C5/00Manufacture of carbon-steel C21C7/00Treating molten ferrous alloys

Industries

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Patents Grantslast 30 patents

Information Patent Grant
High-carbon biogenic reagents and uses thereof
- Patent number 12,351,770
- Issue date Jul 8, 2025
- Carbon Technology Holdings, LLC
- Daniel J. Despen
- C21 - METALLURGY OF IRON
Information Patent Grant
Cooling plate for a metallurgical furnace
- Patent number 12,351,883
- Issue date Jul 8, 2025
- Paul Wurth S.A.
- Rene Schneider
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing chromium-containing molten iron
- Patent number 12,331,368
- Issue date Jun 17, 2025
- Nippon Steel Corporation
- Norifumi Asahara
- C21 - METALLURGY OF IRON
Information Patent Grant
Methods for preheating metal-containing pellets
- Patent number 12,305,926
- Issue date May 20, 2025
- Air Products and Chemicals, Inc.
- Gregory J. Buragino
- C21 - METALLURGY OF IRON
Information Patent Grant
Methods and apparatus for enhancing the energy content of carbonace...
- Patent number 12,297,398
- Issue date May 13, 2025
- Carbon Technology Holdings, LLC
- James A. Mennell
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing high-carbon biogenic reagents
- Patent number 12,297,399
- Issue date May 13, 2025
- Carbon Technology Holdings, LLC
- James A. Mennell
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing clean steel products with a low nitrogen cont...
- Patent number 12,296,379
- Issue date May 13, 2025
- Ternium Mexico S.A. de C.V.
- Francisco Fernando Ibarra Castillo
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Metallurgical furnace having an integrated off-gas hood
- Patent number 12,292,237
- Issue date May 6, 2025
- Systems Spray-Cooled, Inc.
- Scott A. Ferguson
- C21 - METALLURGY OF IRON
Information Patent Grant
High strength stainless steel material
- Patent number 12,291,767
- Issue date May 6, 2025
- Halliburton Energy Services, Inc.
- Karthik Krishnan
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing molten steel
- Patent number 12,281,365
- Issue date Apr 22, 2025
- Kobe Steel, Ltd.
- Koji Tokuda
- C21 - METALLURGY OF IRON
Information Patent Grant
Molten steel production method
- Patent number 12,276,002
- Issue date Apr 15, 2025
- Kobe Steel, Ltd.
- Koji Tokuda
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for maintenance of a cooling assembly for a metallurgical fu...
- Patent number 12,276,458
- Issue date Apr 15, 2025
- Paul Wurth S.A.
- Marco Ricke
- C21 - METALLURGY OF IRON
Information Patent Grant
PGM converting process and jacketed rotary converter
- Patent number 12,270,090
- Issue date Apr 8, 2025
- Edward W. Albrecht
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of heating up furnace bottom, and burner lance used in the m...
- Patent number 12,259,184
- Issue date Mar 25, 2025
- JFE Steel Corporation
- Yohei Kitamura
- F27 - FURNACES KILNS OVENS RETORTS
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
System and method to sustainable integrated wastewater treatment an...
- Patent number 12,195,361
- Issue date Jan 14, 2025
- Saudi Arabian Oil Company
- Faisal B. Almutairi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process and plant for preheating a metal charge fed in continuous t...
- Patent number 12,195,815
- Issue date Jan 14, 2025
- Silvio Maria Reali
- C21 - METALLURGY OF IRON
Information Patent Grant
System and method for estimating both thickness and wear state of r...
- Patent number 12,188,904
- Issue date Jan 7, 2025
- Arcelormittal
- Pablo Gómez García
- C21 - METALLURGY OF IRON
Information Patent Grant
Cassette design drop out box, combustion chamber, duct and electric...
- Patent number 12,181,221
- Issue date Dec 31, 2024
- Amerifab, Inc.
- Richard J. Manasek
- C21 - METALLURGY OF IRON
Information Patent Grant
Tap hole plug gun
- Patent number 12,181,222
- Issue date Dec 31, 2024
- TMT-Tapping Measuring Technology SARL
- Franck Morellato
- 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
Processing method
- Patent number 12,168,814
- Issue date Dec 17, 2024
- SUBARU CORPORATION
- Yukihiro Hagiwara
- C21 - METALLURGY OF IRON
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
Device and method for filling a tap hole of an electric arc furnace...
- Patent number 12,152,283
- Issue date Nov 26, 2024
- BADISCHE STAHL-ENGINEERING GMBH
- Danny Schreiber
- 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

Patents Applicationslast 30 patents

Information Patent Application
PRODUCTION PROCESS OF S355J2 HOT-ROLLED H-BEAM FOR CE-CONTAINING BE...
- Publication number 20250197978
- Publication date Jun 19, 2025
- Wuhai Baogang Wanteng Steel Co., Ltd.
- Fei Huang
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD FOR PRODUCING MOLTEN IRON USING ELECTRIC FURNACE
- Publication number 20250188553
- Publication date Jun 12, 2025
- JFE STEEL CORPORATION
- Yoshihiro Miwa
- C21 - METALLURGY OF IRON
Information Patent Application
SYSTEMS AND METHODS FOR SELF-REDUCTION OF IRON ORE
- Publication number 20250188554
- Publication date Jun 12, 2025
- Charm Industrial, Inc.
- Peter Reinhardt
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR SLAG MODIFICATION DURING END PERIOD OF CASTING IN STEEL...
- Publication number 20250188556
- Publication date Jun 12, 2025
- SOOCHOW UNIVERSITY
- Shaoyan HU
- C21 - METALLURGY OF IRON
Information Patent Application
DEGASSING METHOD FOR MANUFACTURING STEEL
- Publication number 20250188555
- Publication date Jun 12, 2025
- UNITED STATES STEEL CORPORATION
- Yun Li
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR RECYCLING CHROMIUM OXIDE AND FORMING CHROMIUM-ALLOY STEEL
- Publication number 20250179598
- Publication date Jun 5, 2025
- SAUDI IRON AND STEEL COMPANY (HADEED)
- Mansour Nasser ALHARBI
- C21 - METALLURGY OF IRON
Information Patent Application
FURNACE STATE ESTIMATION DEVICE, FURNACE STATE ESTIMATION METHOD, A...
- Publication number 20250179597
- Publication date Jun 5, 2025
- JFE STEEL CORPORATION
- Hiroto KASE
- C21 - METALLURGY OF IRON
Information Patent Application
Molten Metal Reactors and Processes
- Publication number 20250171866
- Publication date May 29, 2025
- Structured Nano Carbon LLC
- Charles Danny Cross
- C21 - METALLURGY OF IRON
Information Patent Application
ELECTRIC GAS HEATING SYSTEM AND METHOD IN A DIRECT REDUCTION PLANT...
- Publication number 20250163526
- Publication date May 22, 2025
- MIDREX TECHNOLOGIES, INC.
- Haruyasu Michishita
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL PLATE FOR HIGH HEAT INPUT WELDING AND MANUFACTURING METHOD TH...
- Publication number 20250163555
- Publication date May 22, 2025
- Zhangjiagang Rongsheng Special Steel Co. Ltd.
- Yu ZHANG
- B22 - CASTING POWDER METALLURGY
Information Patent Application
STEEL PLATE FOR ADVANCED NUCLEAR POWER UNIT REACTOR CORE SHELL CYLI...
- Publication number 20250154617
- Publication date May 15, 2025
- ANGANG STEEL COMPANY LIMITED
- Chu WANG
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR CONTROLLING BRITTLE INCLUSIONS IN CORD STEEL
- Publication number 20250137081
- Publication date May 1, 2025
- ZHANGJIAGANG RONGSHENG SPECIAL STEEL CO. LTD.
- Jiaqi ZHAO
- B22 - CASTING POWDER METALLURGY
Information Patent Application
ALLOY FOR STEEL DEOXIDATION
- Publication number 20250129441
- Publication date Apr 24, 2025
- Abbasov Mazahir Abbas oglu
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING STEEL USING SUPER-PURE IRON ORE POWDER AND HYD...
- Publication number 20250122587
- Publication date Apr 17, 2025
- Dehua Zhu
- C21 - METALLURGY OF IRON
Information Patent Application
GRADE OF DUCTILE IRON WITH REINFORCED FERRITIC MATRIX
- Publication number 20250122600
- Publication date Apr 17, 2025
- SEDIVER
- François Dauvin
- C21 - METALLURGY OF IRON
Information Patent Application
SOLID OXIDE ELECTROLYZER CELL (SOEC) SYSTEM INTEGRATION WITH DIRECT...
- Publication number 20250115971
- Publication date Apr 10, 2025
- BLOOM ENERGY CORPORATION
- David Weingaertner
- C21 - METALLURGY OF IRON
Information Patent Application
IMPURITY REMOVAL IN AN IRON CONVERSION SYSTEM
- Publication number 20250109516
- Publication date Apr 3, 2025
- ELECTRASTEEL, INC.
- Ai Quoc PHAM
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
TIN PLATE AND MANUFACTURING METHOD THEREFOR
- Publication number 20250101540
- Publication date Mar 27, 2025
- INSTITUTE OF RESEARCH OF IRON AND STEEL, JIANGSU PROVINCE/SHA-STEEL, CO. LTD...
- Yifeng SONG
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD FOR OPERATING A STEELWORKS
- Publication number 20250092477
- Publication date Mar 20, 2025
- ThyssenKrupp Steel Europe AG
- Daniel SCHUBERT
- C21 - METALLURGY OF IRON
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
CARBON-NEGATIVE METALLURGICAL PRODUCTS
- Publication number 20250084495
- Publication date Mar 13, 2025
- Carbon Technology Holdings, LLC
- James A. Mennell
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESSING GRANULATED METALLIC UNITS WITHIN ELECTRIC ARC FURNACES,...
- Publication number 20250084496
- 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
PROCESS FOR PRODUCING HIGH-CARBON BIOGENIC REAGENTS
- Publication number 20250075141
- Publication date Mar 6, 2025
- Carbon Technology Holdings, LLC
- James A. Mennell
- C01 - INORGANIC CHEMISTRY
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
Smelting unit for steel production with a tap weight of between 60...
- Publication number 20250043370
- Publication date Feb 6, 2025
- SMS group GMBH
- Hans-Jürgen ODENTHAL
- 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

PROCESSING OF PIG-IRON

Industry

Parent Industries

Current Industry

Sub Industries

Patents Grantslast 30 patents

High-carbon biogenic reagents and uses thereof

Cooling plate for a metallurgical furnace

Method for producing chromium-containing molten iron

Methods for preheating metal-containing pellets

Methods and apparatus for enhancing the energy content of carbonace...

Process for producing high-carbon biogenic reagents

Process for producing clean steel products with a low nitrogen cont...

Metallurgical furnace having an integrated off-gas hood

High strength stainless steel material

Method for producing molten steel

Molten steel production method

Method for maintenance of a cooling assembly for a metallurgical fu...

PGM converting process and jacketed rotary converter

Method of heating up furnace bottom, and burner lance used in the m...

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

System and method to sustainable integrated wastewater treatment an...

Process and plant for preheating a metal charge fed in continuous t...

System and method for estimating both thickness and wear state of r...

Cassette design drop out box, combustion chamber, duct and electric...

Tap hole plug gun

Operation method of ladle refining treatment

Processing method

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

Device and method for filling a tap hole of an electric arc furnace...

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

Patents Applicationslast 30 patents

PRODUCTION PROCESS OF S355J2 HOT-ROLLED H-BEAM FOR CE-CONTAINING BE...

METHOD FOR PRODUCING MOLTEN IRON USING ELECTRIC FURNACE

SYSTEMS AND METHODS FOR SELF-REDUCTION OF IRON ORE

METHOD FOR SLAG MODIFICATION DURING END PERIOD OF CASTING IN STEEL...

DEGASSING METHOD FOR MANUFACTURING STEEL

METHOD FOR RECYCLING CHROMIUM OXIDE AND FORMING CHROMIUM-ALLOY STEEL

FURNACE STATE ESTIMATION DEVICE, FURNACE STATE ESTIMATION METHOD, A...

Molten Metal Reactors and Processes

ELECTRIC GAS HEATING SYSTEM AND METHOD IN A DIRECT REDUCTION PLANT...

STEEL PLATE FOR HIGH HEAT INPUT WELDING AND MANUFACTURING METHOD TH...

STEEL PLATE FOR ADVANCED NUCLEAR POWER UNIT REACTOR CORE SHELL CYLI...

METHOD FOR CONTROLLING BRITTLE INCLUSIONS IN CORD STEEL

ALLOY FOR STEEL DEOXIDATION

METHOD FOR PRODUCING STEEL USING SUPER-PURE IRON ORE POWDER AND HYD...

GRADE OF DUCTILE IRON WITH REINFORCED FERRITIC MATRIX

SOLID OXIDE ELECTROLYZER CELL (SOEC) SYSTEM INTEGRATION WITH DIRECT...

IMPURITY REMOVAL IN AN IRON CONVERSION SYSTEM

TIN PLATE AND MANUFACTURING METHOD THEREFOR

METHOD FOR OPERATING A STEELWORKS

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...

CARBON-NEGATIVE METALLURGICAL PRODUCTS

PROCESSING GRANULATED METALLIC UNITS WITHIN ELECTRIC ARC FURNACES,...

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

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

PROCESS FOR PRODUCING HIGH-CARBON BIOGENIC REAGENTS

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

Smelting unit for steel production with a tap weight of between 60...

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