Extraction of nitrogen

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CPC
C21D3/08

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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 C21D3/00Diffusion processes for extraction of non-metals Furnaces therefor

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C21D3/08Extraction of nitrogen

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Fabrication method for a component having magnetic and non-magnetic...
- Patent number 11,926,880
- Issue date Mar 12, 2024
- General Electric Company
- Shenyan Huang
- C21 - METALLURGY OF IRON
Information Patent Grant
FeNi ordered alloy, FeNi ordered alloy magnet, and method for manuf...
- Patent number 11,427,895
- Issue date Aug 30, 2022
- Denso Corporation
- Sho Goto
- C21 - METALLURGY OF IRON
Information Patent Grant
FeNi ordered alloy and method for manufacturing FeNi ordered alloy
- Patent number 11,313,004
- Issue date Apr 26, 2022
- Denso Corporation
- Hiroaki Kura
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Austenitic stainless steel workpiece
- Patent number 11,185,917
- Issue date Nov 30, 2021
- The Swatch Group Research and Development Ltd.
- Joel Porret
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
FeNi ordered alloy and method for manufacturing FeNi ordered alloy
- Patent number 10,920,292
- Issue date Feb 16, 2021
- Denso Corporation
- Hiroaki Kura
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
FeNi ordered alloy and method for manufacturing FeNi ordered alloy
- Patent number 10,724,112
- Issue date Jul 28, 2020
- Denso Corporation
- Hiroaki Kura
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Finish heat treatment method and finish heat treatment apparatus fo...
- Patent number 9,815,115
- Issue date Nov 14, 2017
- JFE Steel Corporation
- Yasuhiko Sakaguchi
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength steel excellent in weldability and process for produc...
- Patent number 8,163,107
- Issue date Apr 24, 2012
- Kobe Steel, Ltd.
- Tetsuo Soshiroda
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for removing gases from particles
- Patent number 4,175,921
- Issue date Nov 27, 1979
- Allegheny Ludlum Industries, Inc.
- Raymond L. Southern
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for decreasing the amount of carbon and nitrogen contained i...
- Patent number 4,050,960
- Issue date Sep 27, 1977
- Nippon Steel Corporation
- Yasushi Nakamura
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Subscale reaction strengthening of low carbon ferrous metal stock
- Patent number 3,998,666
- Issue date Dec 21, 1976
- United States Steel Corporation
- Lee J. Cuddy
- C21 - METALLURGY OF IRON
Information Patent Grant
3928087
- Patent number 3,928,087
- Issue date Dec 23, 1975
- C21 - METALLURGY OF IRON
Information Patent Grant
3847682
- Patent number 3,847,682
- Issue date Nov 12, 1974
- C21 - METALLURGY OF IRON
Information Patent Grant
3804678
- Patent number 3,804,678
- Issue date Apr 16, 1974
- C21 - METALLURGY OF IRON
Information Patent Grant
3788836
- Patent number 3,788,836
- Issue date Jan 29, 1974
- C21 - METALLURGY OF IRON
Information Patent Grant
3348980
- Patent number 3,348,980
- Issue date Oct 24, 1967
- C21 - METALLURGY OF IRON
Information Patent Grant
3303060
- Patent number 3,303,060
- Issue date Feb 7, 1967
- C21 - METALLURGY OF IRON
Information Patent Grant
3281286
- Patent number 3,281,286
- Issue date Oct 25, 1966
- C21 - METALLURGY OF IRON
Information Patent Grant
3265541
- Patent number 3,265,541
- Issue date Aug 9, 1966
- C21 - METALLURGY OF IRON
Information Patent Grant
3262821
- Patent number 3,262,821
- Issue date Jul 26, 1966
- C21 - METALLURGY OF IRON
Information Patent Grant
3239389
- Patent number 3,239,389
- Issue date Mar 8, 1966
- C21 - METALLURGY OF IRON
Information Patent Grant
3239388
- Patent number 3,239,388
- Issue date Mar 8, 1966
- C21 - METALLURGY OF IRON
Information Patent Grant
3203837
- Patent number 3,203,837
- Issue date Aug 31, 1965
- C21 - METALLURGY OF IRON
Information Patent Grant
3188246
- Patent number 3,188,246
- Issue date Jun 8, 1965
- C21 - METALLURGY OF IRON
Information Patent Grant
3184344
- Patent number 3,184,344
- Issue date May 18, 1965
- C21 - METALLURGY OF IRON
Information Patent Grant
1864083
- Patent number 1,864,083
- Issue date Jun 21, 1932
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Soft Magnetic Iron Alloy Plate, Method for Manufacturing Soft Magne...
- Publication number 20240194383
- Publication date Jun 13, 2024
- Hitachi, Ltd
- Matahiro KOMURO
- C21 - METALLURGY OF IRON
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
FABRICATION METHOD FOR A COMPONENT HAVING MAGNETIC & NON-MAGNETIC D...
- Publication number 20220340987
- Publication date Oct 27, 2022
- GENERAL ELECTRIC COMPANY
- Shenyan Huang
- C21 - METALLURGY OF IRON
Information Patent Application
FeNi ORDERED ALLOY AND METHOD FOR MANUFACTURING FeNi ORDERED ALLOY
- Publication number 20210062280
- Publication date Mar 4, 2021
- DENSO CORPORATION
- Hiroaki KURA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
FeNi ORDERED ALLOY AND METHOD FOR MANUFACTURING FeNi ORDERED ALLOY
- Publication number 20200325551
- Publication date Oct 15, 2020
- DENSO CORPORATION
- Hiroaki KURA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
FeNi ORDERED ALLOY, FeNi ORDERED ALLOY MAGNET, AND METHOD FOR MANUF...
- Publication number 20200010938
- Publication date Jan 9, 2020
- DENSO CORPORATION
- Sho GOTO
- C21 - METALLURGY OF IRON
Information Patent Application
FeNi ORDERED ALLOY AND METHOD FOR MANUFACTURING FeNi ORDERED ALLOY
- Publication number 20180251867
- Publication date Sep 6, 2018
- Denso Corporation
- Hiroaki KURA
- C21 - METALLURGY OF IRON
Information Patent Application
FINISH HEAT TREATMENT METHOD AND FINISH HEAT TREATMENT APPARATUS FO...
- Publication number 20160114391
- Publication date Apr 28, 2016
- JFE STEEL CORPORATION
- Yasuhiko Sakaguchi
- C21 - METALLURGY OF IRON
Information Patent Application
FINISH HEAT TREATMENT METHOD AND FINISH HEAT TREATMENT APPARATUS FO...
- Publication number 20140048184
- Publication date Feb 20, 2014
- JFE STEEL CORPORATION
- Yasuhiko Sakaguchi
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STEEL EXCELLENT IN WELDABILITY AND PROCESS FOR PRODUC...
- Publication number 20090065098
- Publication date Mar 12, 2009
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Tetsuo Soshiroda
- C21 - METALLURGY OF IRON

Extraction of nitrogen

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Fabrication method for a component having magnetic and non-magnetic...

FeNi ordered alloy, FeNi ordered alloy magnet, and method for manuf...

FeNi ordered alloy and method for manufacturing FeNi ordered alloy

Austenitic stainless steel workpiece

FeNi ordered alloy and method for manufacturing FeNi ordered alloy

FeNi ordered alloy and method for manufacturing FeNi ordered alloy

Finish heat treatment method and finish heat treatment apparatus fo...

High-strength steel excellent in weldability and process for produc...

Apparatus for removing gases from particles

Method for decreasing the amount of carbon and nitrogen contained i...

Subscale reaction strengthening of low carbon ferrous metal stock

3928087

3847682

3804678

3788836

3348980

3303060

3281286

3265541

3262821

3239389

3239388

3203837

3188246

3184344

1864083

Patents Applicationslast 30 patents

Soft Magnetic Iron Alloy Plate, Method for Manufacturing Soft Magne...

Soft Magnetic Iron Sheet, Method for Producing Soft Magnetic Iron S...

FABRICATION METHOD FOR A COMPONENT HAVING MAGNETIC & NON-MAGNETIC D...

FeNi ORDERED ALLOY AND METHOD FOR MANUFACTURING FeNi ORDERED ALLOY

FeNi ORDERED ALLOY AND METHOD FOR MANUFACTURING FeNi ORDERED ALLOY

FeNi ORDERED ALLOY, FeNi ORDERED ALLOY MAGNET, AND METHOD FOR MANUF...

FeNi ORDERED ALLOY AND METHOD FOR MANUFACTURING FeNi ORDERED ALLOY

FINISH HEAT TREATMENT METHOD AND FINISH HEAT TREATMENT APPARATUS FO...

FINISH HEAT TREATMENT METHOD AND FINISH HEAT TREATMENT APPARATUS FO...

HIGH-STRENGTH STEEL EXCELLENT IN WELDABILITY AND PROCESS FOR PRODUC...