of ferrous alloys

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CPC
C21D8/005

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CCHEMISTRY METALLURGY C21Iron metallurgy C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment

Current Industry

C21D8/005of ferrous alloys

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Steel sheet and method for producing same
- Patent number 12,221,661
- Issue date Feb 11, 2025
- Nippon Steel Corporation
- Masahiro Kubo
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented electrical steel sheet and method for manufacturing same
- Patent number 12,215,403
- Issue date Feb 4, 2025
- Posco
- Hunju Lee
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel for bolts, and method of manufacturing same
- Patent number 12,203,149
- Issue date Jan 21, 2025
- JFE Steel Corporation
- Masafumi Tada
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing grain oriented electrical steel sheet
- Patent number 12,195,818
- Issue date Jan 14, 2025
- Nippon Steel Corporation
- Shinsuke Takatani
- C21 - METALLURGY OF IRON
Information Patent Grant
Crankshaft and method of manufacturing the same
- Patent number 12,180,995
- Issue date Dec 31, 2024
- Nippon Steel Corporation
- Tatsuhiko Abe
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented electrical steel sheet and manufacturing method therefore
- Patent number 12,173,379
- Issue date Dec 24, 2024
- LG Electronics Inc.
- Jin Bae Kim
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of thermomechanical treatment of semi-finished products of h...
- Patent number 12,152,284
- Issue date Nov 26, 2024
- Zapadoceska Univerzita V Plzni
- Bohuslav Masek
- C21 - METALLURGY OF IRON
Information Patent Grant
Highly thick steel material having excellent low-temperature impact...
- Patent number 12,134,800
- Issue date Nov 5, 2024
- POSCO Co., Ltd
- Dae-Woo Kim
- C21 - METALLURGY OF IRON
Information Patent Grant
Strong, tough, and hard stainless steel and article made therefrom
- Patent number 12,129,536
- Issue date Oct 29, 2024
- CRS HOLDINGS, LLC
- Robert F. Buck
- C21 - METALLURGY OF IRON
Information Patent Grant
High surface-pressure resistant component and production method the...
- Patent number 12,129,557
- Issue date Oct 29, 2024
- Daido Steel Co., Ltd.
- Junya Miyauchi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Procedure for hardening slides of a perforating press and the slide...
- Patent number 12,110,565
- Issue date Oct 8, 2024
- Soenen Technology NV
- Luc De Sutter
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Grain-oriented electrical steel sheet and production method therefor
- Patent number 12,104,217
- Issue date Oct 1, 2024
- JFE Steel Corporation
- Makoto Watanabe
- C21 - METALLURGY OF IRON
Information Patent Grant
Annealing separator for grain-oriented electrical steel sheet and m...
- Patent number 12,104,216
- Issue date Oct 1, 2024
- JFE Steel Corporation
- Takashi Terashima
- C21 - METALLURGY OF IRON
Information Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
- Patent number 12,104,219
- Issue date Oct 1, 2024
- Nippon Steel Corporation
- Ichiro Tanaka
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot-press molding method and hot-press molded product
- Patent number 12,091,726
- Issue date Sep 17, 2024
- Toyota Jidosha Kabushiki Kaisha
- Eiichi Ota
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for manufacturing grain-oriented electrical steel sheet and...
- Patent number 12,091,722
- Issue date Sep 17, 2024
- Nippon Steel Corporation
- Nobusato Morishige
- C21 - METALLURGY OF IRON
Information Patent Grant
Grain-oriented electrical steel sheet
- Patent number 12,065,713
- Issue date Aug 20, 2024
- Nippon Steel Corporation
- Masato Yasuda
- C21 - METALLURGY OF IRON
Information Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
- Patent number 12,065,712
- Issue date Aug 20, 2024
- Nippon Steel Corporation
- Shinji Yamamoto
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength hot rolled steel sheet and method for manufacturing same
- Patent number 12,065,711
- Issue date Aug 20, 2024
- JFE Steel Corporation
- Kazuhiko Yamazaki
- C21 - METALLURGY OF IRON
Information Patent Grant
Austenitic stainless steel material and welded joint
- Patent number 12,054,797
- Issue date Aug 6, 2024
- Nippon Steel Corporation
- Takahiro Osuki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Seamless steel pipe and method for producing the same
- Patent number 12,043,885
- Issue date Jul 23, 2024
- Nippon Steel Corporation
- Daisuke Matsuo
- C21 - METALLURGY OF IRON
Information Patent Grant
High carbon martensitic stainless steel
- Patent number 12,031,202
- Issue date Jul 9, 2024
- STEER ENGINEERING PRIVATE LIMITED
- Vijay Shrinivas
- C21 - METALLURGY OF IRON
Information Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
- Patent number 12,031,191
- Issue date Jul 9, 2024
- Nippon Steel Corporation
- Satoshi Arai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Steel sheet coated with a metallic coating based on aluminum
- Patent number 12,012,655
- Issue date Jun 18, 2024
- Arcelormittal
- Christian Allely
- B32 - LAYERED PRODUCTS
Information Patent Grant
Valve spring
- Patent number 12,006,994
- Issue date Jun 11, 2024
- Nippon Steel Corporation
- Shinya Teramoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel material and component
- Patent number 12,006,557
- Issue date Jun 11, 2024
- Nippon Steel Corporation
- Kei Miyanishi
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot dip galvanized steel sheet and method for producing same
- Patent number 12,006,562
- Issue date Jun 11, 2024
- Nippon Steel Corporation
- Takafumi Yokoyama
- C21 - METALLURGY OF IRON
Information Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
- Patent number 11,970,751
- Issue date Apr 30, 2024
- Nippon Steel Corporation
- Yoshiyuki Ushigami
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel for nitrocarburizing and nitrocarburized component, and metho...
- Patent number 11,959,177
- Issue date Apr 16, 2024
- JFE Steel Corporation
- Masayuki Kasai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Non oriented electrical steel sheet
- Patent number 11,952,641
- Issue date Apr 9, 2024
- Nippon Steel Corporation
- Masaru Takahashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
METHODS FOR MANUFACTURING WIRE ROD FOR COLD FORGING AND SCREW PART,...
- Publication number 20250043376
- Publication date Feb 6, 2025
- POSCO CO., LTD.
- Byungin JUNG
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-ALUMINUM BORON-CONTAINING DIE STEEL WITH RESISTANCE TO ZINC-IN...
- Publication number 20250019785
- Publication date Jan 16, 2025
- XI'AN JIAOTONG UNIVERSITY
- Shengqiang MA
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STEEL WITH GOOD WEATHER RESISTANCE AND MANUFACTURING...
- Publication number 20250011891
- Publication date Jan 9, 2025
- Baoshan Iron & Steel Co., Ltd
- Sixin Zhao
- B22 - CASTING POWDER METALLURGY
Information Patent Application
HOT-ROLLED STEEL FOR ENAMELING HAVING ENAMELING AND FIRING STRENGTH...
- Publication number 20250003040
- Publication date Jan 2, 2025
- Baoshan Iron & Steel Co., Ltd
- Shuangcheng WANG
- C21 - METALLURGY OF IRON
Information Patent Application
TRACK LINK PRODUCTION METHOD
- Publication number 20240417819
- Publication date Dec 19, 2024
- Berco S.p.A.
- Francesco GRENZI
- C21 - METALLURGY OF IRON
Information Patent Application
ALLOYED STEEL
- Publication number 20240417831
- Publication date Dec 19, 2024
- VANTAGE ALLOYS AG
- Aaron John MIDDLETON
- C21 - METALLURGY OF IRON
Information Patent Application
ULTRATHICK STEEL MATERIALS FOR FLANGE HAVING EXCELLENT STRENGTH AND...
- Publication number 20240410030
- Publication date Dec 12, 2024
- POSCO Co., Ltd
- Dae-Woo KIM
- 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
SECTION STEEL AND METHOD FOR MANUFACTURING SAME
- Publication number 20240384365
- Publication date Nov 21, 2024
- HYUNDAI STEEL COMPANY
- Jun Ho Chung
- C21 - METALLURGY OF IRON
Information Patent Application
FORGED STEEL ROLL FOR COLD ROLLING
- Publication number 20240383025
- Publication date Nov 21, 2024
- NIPPON STEEL CORPORATION
- Seiji ITO
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PROCESS FOR MANUFACTURING VEHICLE PARTS
- Publication number 20240344159
- Publication date Oct 17, 2024
- Alejandro Gorráez ALEJANDRE
- C21 - METALLURGY OF IRON
Information Patent Application
MECHANICAL STRUCTURAL MEMBER AND PRODUCTION METHOD FOR SAME
- Publication number 20240327943
- Publication date Oct 3, 2024
- NSK STEERING & CONTROL, INC.
- Takeshi SAITO
- C21 - METALLURGY OF IRON
Information Patent Application
HEAT-RESISTANT FERRITIC STEEL
- Publication number 20240318289
- Publication date Sep 26, 2024
- NIPPON STEEL CORPORATION
- Hiroyuki HIRATA
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-TOUGHNESS ULTRAHIGH-STRENGTH STEEL AND MANUFACTURING METHOD TH...
- Publication number 20240318273
- Publication date Sep 26, 2024
- Central Iron & Steel Research Institute
- Jing NING
- C21 - METALLURGY OF IRON
Information Patent Application
COLD FORGED GEAR STEEL AND MANUFACTURING METHOD THEREOF
- Publication number 20240318276
- Publication date Sep 26, 2024
- Baoshan Iron & Steel Co., Ltd
- Jun ZHANG
- C21 - METALLURGY OF IRON
Information Patent Application
AL-SI COATED PRESS HARDENING COMPONENT, A PREPARATION METHOD AND US...
- Publication number 20240271238
- Publication date Aug 15, 2024
- The University of Hong Kong
- Mingxin HUANG
- C21 - METALLURGY OF IRON
Information Patent Application
HETEROSTRUCTURED ANTIMICROBIAL STAINLESS STEEL AND METHOD FOR SYNTH...
- Publication number 20240254581
- Publication date Aug 1, 2024
- City University of Hong Kong
- Liliana ROMERO RESÉNDIZ
- C21 - METALLURGY OF IRON
Information Patent Application
AUSTENITIC STAINLESS STEEL FOR HIGH-PRESSURE HYDROGEN GAS OR LIQUID...
- Publication number 20240247331
- Publication date Jul 25, 2024
- DAIDO STEEL CO., LTD.
- Daisuke KUDO
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND ANNEA...
- Publication number 20240240292
- Publication date Jul 18, 2024
- JFE STEEL CORPORATION
- Makoto WATANABE
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
- Publication number 20240240293
- Publication date Jul 18, 2024
- JFE STEEL CORPORATION
- Takeshi IMAMURA
- C21 - METALLURGY OF IRON
Information Patent Application
Steel sheet and high strength press hardened steel part and method...
- Publication number 20240218476
- Publication date Jul 4, 2024
- ARCELORMITTAL
- Sebastian COBO
- B32 - LAYERED PRODUCTS
Information Patent Application
STEEL FOR BOLTS, AND MANUFACTURING METHOD THEREFOR
- Publication number 20240209469
- Publication date Jun 27, 2024
- Baoshan Iron & Steel Co., Ltd
- Zan Yao
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR MANUFACTURING REFERENCE PIECE FOR MEASURING RETAINED AUS...
- Publication number 20240182994
- Publication date Jun 6, 2024
- SINTOKOGIO, LTD.
- Yuta Saito
- C21 - METALLURGY OF IRON
Information Patent Application
COLD-WORKABLE MECHANICAL STRUCTURAL STEEL, AND METHOD FOR MANUFACTU...
- Publication number 20240150861
- Publication date May 9, 2024
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Koji YAMASHITA
- C21 - METALLURGY OF IRON
Information Patent Application
DUPLEX STAINLESS STEEL AND FORMED OBJECT THEREOF
- Publication number 20240141466
- Publication date May 2, 2024
- Sandvik Intellectual Property AB
- Daniel GULLBERG
- B22 - CASTING POWDER METALLURGY
Information Patent Application
STEEL FOR GEAR AND METHOD FOR MANUFACTURING GEAR USING THE SAME
- Publication number 20240124962
- Publication date Apr 18, 2024
- Hyundai Motor Company
- In Beom Lee
- C21 - METALLURGY OF IRON
Information Patent Application
EXTRA THICK HOT ROLLED H SECTION STEEL AND PRODUCTION METHOD THEREFOR
- Publication number 20240110255
- Publication date Apr 4, 2024
- MAANSHAN IRON & STEEL CO., LTD.
- Meng XIA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ALUMINUM PLATED STEEL SHEET, THERMOFORMED COMPONENT, AND MANUFACTUR...
- Publication number 20240093342
- Publication date Mar 21, 2024
- Baoshan Iron & Steel Co., Ltd
- Ning TAN
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
OIL RING WIRE
- Publication number 20240093325
- Publication date Mar 21, 2024
- TOKUSEN KOGYO CO., LTD.
- Miho FUJINO
- C21 - METALLURGY OF IRON
Information Patent Application
MICROCRACK-REDUCED, HOT PRESS-FORMED ARTICLE, AND METHOD FOR MANUFA...
- Publication number 20240082902
- Publication date Mar 14, 2024
- POSCO CO., LTD.
- Hyeon-Seok HWANG
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

of ferrous alloys

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Steel sheet and method for producing same

Non-oriented electrical steel sheet and method for manufacturing same

Steel for bolts, and method of manufacturing same

Method for producing grain oriented electrical steel sheet

Crankshaft and method of manufacturing the same

Non-oriented electrical steel sheet and manufacturing method therefore

Method of thermomechanical treatment of semi-finished products of h...

Highly thick steel material having excellent low-temperature impact...

Strong, tough, and hard stainless steel and article made therefrom

High surface-pressure resistant component and production method the...

Procedure for hardening slides of a perforating press and the slide...

Grain-oriented electrical steel sheet and production method therefor

Annealing separator for grain-oriented electrical steel sheet and m...

Grain-oriented electrical steel sheet and method for manufacturing...

Hot-press molding method and hot-press molded product

Method for manufacturing grain-oriented electrical steel sheet and...

Grain-oriented electrical steel sheet

Grain-oriented electrical steel sheet and method for manufacturing...

High-strength hot rolled steel sheet and method for manufacturing same

Austenitic stainless steel material and welded joint

Seamless steel pipe and method for producing the same

High carbon martensitic stainless steel

Grain-oriented electrical steel sheet and method for manufacturing...

Steel sheet coated with a metallic coating based on aluminum

Valve spring

Steel material and component

Hot dip galvanized steel sheet and method for producing same

Grain-oriented electrical steel sheet and method for manufacturing...

Steel for nitrocarburizing and nitrocarburized component, and metho...

Non oriented electrical steel sheet

Patents Applicationslast 30 patents

METHODS FOR MANUFACTURING WIRE ROD FOR COLD FORGING AND SCREW PART,...

HIGH-ALUMINUM BORON-CONTAINING DIE STEEL WITH RESISTANCE TO ZINC-IN...

HIGH-STRENGTH STEEL WITH GOOD WEATHER RESISTANCE AND MANUFACTURING...

HOT-ROLLED STEEL FOR ENAMELING HAVING ENAMELING AND FIRING STRENGTH...

TRACK LINK PRODUCTION METHOD

ALLOYED STEEL

ULTRATHICK STEEL MATERIALS FOR FLANGE HAVING EXCELLENT STRENGTH AND...

ULTRA-HIGH STRENGTH SPRING STEEL AND PREPARATION METHOD THEREOF

SECTION STEEL AND METHOD FOR MANUFACTURING SAME

FORGED STEEL ROLL FOR COLD ROLLING

PROCESS FOR MANUFACTURING VEHICLE PARTS

MECHANICAL STRUCTURAL MEMBER AND PRODUCTION METHOD FOR SAME

HEAT-RESISTANT FERRITIC STEEL

HIGH-TOUGHNESS ULTRAHIGH-STRENGTH STEEL AND MANUFACTURING METHOD TH...

COLD FORGED GEAR STEEL AND MANUFACTURING METHOD THEREOF

AL-SI COATED PRESS HARDENING COMPONENT, A PREPARATION METHOD AND US...

HETEROSTRUCTURED ANTIMICROBIAL STAINLESS STEEL AND METHOD FOR SYNTH...

AUSTENITIC STAINLESS STEEL FOR HIGH-PRESSURE HYDROGEN GAS OR LIQUID...

METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND ANNEA...

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

Steel sheet and high strength press hardened steel part and method...

STEEL FOR BOLTS, AND MANUFACTURING METHOD THEREFOR

METHOD FOR MANUFACTURING REFERENCE PIECE FOR MEASURING RETAINED AUS...

COLD-WORKABLE MECHANICAL STRUCTURAL STEEL, AND METHOD FOR MANUFACTU...

DUPLEX STAINLESS STEEL AND FORMED OBJECT THEREOF

STEEL FOR GEAR AND METHOD FOR MANUFACTURING GEAR USING THE SAME

EXTRA THICK HOT ROLLED H SECTION STEEL AND PRODUCTION METHOD THEREFOR

ALUMINUM PLATED STEEL SHEET, THERMOFORMED COMPONENT, AND MANUFACTUR...

OIL RING WIRE

MICROCRACK-REDUCED, HOT PRESS-FORMED ARTICLE, AND METHOD FOR MANUFA...