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Adjusting the composition of the atmosphere
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C21D1/76
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C
CHEMISTRY METALLURGY
C21
Iron metallurgy
C21D
MODIFYING 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
C21D1/00
General methods or devices for heat treatments
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C21D1/76
Adjusting the composition of the atmosphere
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last 30 patents
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Patent Grant
Advanced high strength zinc plated steel sheet having excellent sur...
Patent number
12,000,008
Issue date
Jun 4, 2024
Posco
C21 - METALLURGY OF IRON
Information
Patent Grant
Low density press-hardening steel having enhanced mechanical proper...
Patent number
11,951,522
Issue date
Apr 9, 2024
GM Global Technology Operations LLC
Jiachen Pang
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain oriented electrical steel with improved forsterite coating ch...
Patent number
11,942,247
Issue date
Mar 26, 2024
Cleveland-Cliffs Steel Properties Inc.
Jerry William Schoen
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain oriented electrical steel sheet
Patent number
11,939,641
Issue date
Mar 26, 2024
Nippon Steel Corporation
Shuichi Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Galvannealed steel sheet
Patent number
11,884,987
Issue date
Jan 30, 2024
Arcelormittal
David Zapico Alvarez
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and burner for heating a furnace for metal processing
Patent number
11,852,336
Issue date
Dec 26, 2023
Messer Industries USA, Inc.
Martin Adendorff
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing high-strength galvanized steel sheet and h...
Patent number
11,814,695
Issue date
Nov 14, 2023
JFE Steel Corporation
Mai Aoyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
FeCo alloy, FeSi alloy or Fe sheet or strip and production method t...
Patent number
11,767,583
Issue date
Sep 26, 2023
APERAM
Thierry Waeckerle
C21 - METALLURGY OF IRON
Information
Patent Grant
Iron nitride permanent magnet and technique for forming iron nitrid...
Patent number
11,742,117
Issue date
Aug 29, 2023
Regents of The University of Minnesota
Jian-Ping Wang
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Zinc-coated steel sheet with high resistance spot weldability
Patent number
11,649,522
Issue date
May 16, 2023
Arcelormittal
Jean-Marc Pipard
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Steel sheet for carburizing, and method for manufacturing steel she...
Patent number
11,639,536
Issue date
May 2, 2023
Nippon Steel Corporation
Motonori Hashimoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Zinc-plated steel sheet for hot stamping and production method ther...
Patent number
11,634,807
Issue date
Apr 25, 2023
Kobe Steel, Ltd.
Takatoshi Yoshida
C21 - METALLURGY OF IRON
Information
Patent Grant
Low density press-hardening steel having enhanced mechanical proper...
Patent number
11,612,926
Issue date
Mar 28, 2023
GM Global Technology Operations LLC
Jiachen Pang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Hot-dip coated steel sheet
Patent number
11,590,734
Issue date
Feb 28, 2023
Arcelormittal
David Zapico Alvarez
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Zinc alloy plated steel material having excellent corrosion resista...
Patent number
11,566,314
Issue date
Jan 31, 2023
POSCO Co., Ltd
Il-Ryoung Sohn
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for the manufacturing of liquid metal embrittlement resistan...
Patent number
11,566,310
Issue date
Jan 31, 2023
Arcelormittal
Anirban Chakraborty
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for manufacturing high-strength galvanized steel sheet
Patent number
11,535,922
Issue date
Dec 27, 2022
JFE Steel Corporation
Yoichi Makimizu
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength cold-rolled steel sheet and manufacturing method ther...
Patent number
11,473,164
Issue date
Oct 18, 2022
Nippon Steel Corporation
Takuya Nishio
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Manufacture of a stress relieved length of steel having an oxidised...
Patent number
11,414,738
Issue date
Aug 16, 2022
Liberty Performance Steels Limited
Carl Jukes
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength galvanized steel sheet and method for manufacturing same
Patent number
11,408,059
Issue date
Aug 9, 2022
JFE Steel Corporation
Hiromi Yoshitomi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Air conditioner
Patent number
11,408,691
Issue date
Aug 9, 2022
LG Electronics Inc.
Seokpyo Hong
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Substrate stainless steel sheet for fuel cell separators and produc...
Patent number
11,380,907
Issue date
Jul 5, 2022
Takayoshi Yano
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot-stamped body
Patent number
11,338,550
Issue date
May 24, 2022
Nippon Steel Corporation
Kohei Tokuda
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and device for reaction control
Patent number
11,339,450
Issue date
May 24, 2022
Cockerill Maintenance & Ingenierie S.A.
Michel Dubois
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and device for manufacturing steam-treated products
Patent number
11,326,223
Issue date
May 10, 2022
NIPPON STEEL NISSHIN CO., LTD.
Masaki Yamamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Low-density hot dip galvanized steel and manufacturing method therefor
Patent number
11,326,243
Issue date
May 10, 2022
Baoshan Iron & Steel Co., Ltd.
Xinyan Jin
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-stamped body
Patent number
11,285,698
Issue date
Mar 29, 2022
Nippon Steel Corporation
Takuya Mitsunobu
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Austenitic stainless steel
Patent number
11,268,177
Issue date
Mar 8, 2022
Nippon Steel Corporation
Kazuhiko Adachi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Low pressure carbonitriding method and furnace
Patent number
11,242,594
Issue date
Feb 8, 2022
ECM Technologies
Yves Giraud
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Continuous nitriding treatment furnace and continuous nitriding tre...
Patent number
11,242,592
Issue date
Feb 8, 2022
Dowa Thermotech Co., Ltd.
Katsushige Shimizu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
A ZINC OR ZINC-ALLOY COATED STRIP OR STEEL WITH IMPROVED ZINC ADHESION
Publication number
20240117455
Publication date
Apr 11, 2024
VOESTALPINE STAHL GMBH
Michael SCHWARZENBRUNNER
C21 - METALLURGY OF IRON
Information
Patent Application
GALVANNEALED STEEL SHEET
Publication number
20240110257
Publication date
Apr 4, 2024
ARCELORMITTAL
David ZAPICO ALVAREZ
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND FURNACE FOR THERMALLY TREATING A HIGH-RESISTANCE STEEL S...
Publication number
20240102124
Publication date
Mar 28, 2024
DREVER INTERNATIONAL
Jean-Pierre Crutzen
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND BURNER FOR HEATING A FURNACE FOR METAL PROCESSING
Publication number
20240077200
Publication date
Mar 7, 2024
Messer Industries USA, Inc
Martin Adendorff
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20240035108
Publication date
Feb 1, 2024
POSCO Co., Ltd
Kyungjun Ko
C21 - METALLURGY OF IRON
Information
Patent Application
PRE-COATED STEEL SHEET WITH ALUMINUM OR ALUMINUM ALLOY PRE-COATING,...
Publication number
20240026513
Publication date
Jan 25, 2024
IRONOVATION MATERIALS TECHNOLOGY CO., LTD.
Hongliang YI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
PROCESSING METHOD AND PROCESSING APPARATUS FOR METAL COMPONENT
Publication number
20240011142
Publication date
Jan 11, 2024
PARKER NETSUSHORI KOGYO CO., LTD.
Yasushi HIRAOKA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
AUSTENITIC STAINLESS STEEL FOR POLYMER FUEL CELL SEPARATOR WITH IMP...
Publication number
20230420698
Publication date
Dec 28, 2023
POSCO Co., Ltd
Youngjun Kim
C21 - METALLURGY OF IRON
Information
Patent Application
DIRECT FLAME PREHEATING SECTION FOR A CONTINUOUS METAL STRIP PROCES...
Publication number
20230383375
Publication date
Nov 30, 2023
FIVES STEIN
Sébastien LEMAIRE
C21 - METALLURGY OF IRON
Information
Patent Application
IRON NITRIDE PERMANENT MAGNET AND TECHNIQUE FOR FORMING IRON NITRID...
Publication number
20230352219
Publication date
Nov 2, 2023
Regents of the University of Minnesota
Jian-Ping Wang
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Soft Magnetic Iron Sheet, Method for Producing Soft Magnetic Iron S...
Publication number
20230290551
Publication date
Sep 14, 2023
Hitachi, Ltd
Matahiro KOMURO
C21 - METALLURGY OF IRON
Information
Patent Application
ZINC-COATED STEEL SHEET WITH HIGH RESISTANCE SPOT WELDABILITY
Publication number
20230272502
Publication date
Aug 31, 2023
ARCELORMITTAL
Jean-Marc PIPARD
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Low Density Press-Hardening Steel Having Enhanced Mechanical Proper...
Publication number
20230226585
Publication date
Jul 20, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Jiachen PANG
C21 - METALLURGY OF IRON
Information
Patent Application
DIRECT FLAME BURNER UNIT FOR FURNACES FOR THE THERMO-CHEMICAL TREAT...
Publication number
20230220990
Publication date
Jul 13, 2023
TENOVA S.P.A.
Davide ASTESIANO
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
METHOD FOR RECRYSTALLISATION ANNEALING OF A NON-GRAIN-ORIENTED ELEC...
Publication number
20230212708
Publication date
Jul 6, 2023
SMS group GMBH
Frank MASCHLER
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR THE PREOXIDATION OF STRIP STEEL IN A REACTION CHAMBER AR...
Publication number
20230193442
Publication date
Jun 22, 2023
SMS Group GmbH
Frank MASCHLER
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Hot-dip coated steel sheet
Publication number
20230158774
Publication date
May 25, 2023
ARCELORMITTAL
David ZAPICO ALVAREZ
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
A Method for the Manufacturing of Liquid Metal Embrittlement Resist...
Publication number
20230137133
Publication date
May 4, 2023
ARCELORMITTAL
Anirban Chakraborty
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
A press hardening method
Publication number
20220380861
Publication date
Dec 1, 2022
ARCELORMITTAL
Raisa GRIGORIEVA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GAS QUENCHING CELL
Publication number
20220364192
Publication date
Nov 17, 2022
ECM Technologies
Stephane RAVET
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND METHOD FOR PRODUCING THE SAME
Publication number
20220235442
Publication date
Jul 28, 2022
JFE STEEL CORPORATION
Yoshihiko Ono
C21 - METALLURGY OF IRON
Information
Patent Application
HEAT TREATMENT FURNACE, INFORMATION PROCESSING APPARATUS AND INFORM...
Publication number
20220235428
Publication date
Jul 28, 2022
KANTO YAKIN KOGYO CO., LTD.
Shinichi TAKAHASHI
C21 - METALLURGY OF IRON
Information
Patent Application
LOW DENSITY PRESS-HARDENING STEEL HAVING ENHANCED MECHANICAL PROPER...
Publication number
20210276065
Publication date
Sep 9, 2021
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Jiachen PANG
C21 - METALLURGY OF IRON
Information
Patent Application
AIR CONDITIONER
Publication number
20210140726
Publication date
May 13, 2021
LG ELECTRONICS INC.
Seokpyo HONG
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
A PROCESS FOR REFINING A NITROGEN-CONTAINING METAL ALLOY
Publication number
20200385831
Publication date
Dec 10, 2020
Sandvik Intellectual Property AB
Bertil WALDÈN
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND DEVICE FOR HEATING A STEEL BLANK FOR HARDENING PURPOSES
Publication number
20200370139
Publication date
Nov 26, 2020
Voestalpine Automotive Components Cartersville Inc.
Wilhelm Weinmeister
C21 - METALLURGY OF IRON
Information
Patent Application
A GALVANNEALED STEEL SHEET
Publication number
20200354807
Publication date
Nov 12, 2020
ARCELORMITTAL
David ZAPICO ALVAREZ
B32 - LAYERED PRODUCTS
Information
Patent Application
A HOT-DIP COATED STEEL SHEET
Publication number
20200338857
Publication date
Oct 29, 2020
ARCELORMITTAL
David ZAPICO ALVAREZ
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
LOW-DENSITY HOT DIP GALVANIZED STEEL AND MANUFACTURING METHOD THEREFOR
Publication number
20200325568
Publication date
Oct 15, 2020
Baoshan Iron & Steel Co., Ltd
Xinyan JIN
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD OF MANUFACTURING ROLLING BEARING RING
Publication number
20200291999
Publication date
Sep 17, 2020
NTN CORPORATION
Kohei MIZUTA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...