- All sections
- C - Chemistrymetallurgy
- C21D - Modifying the physical structure of ferrous metalsgeneral devices for heat treatment of ferrous or non-ferrous metals or alloysmaking metal malleable, e.g. by decarburisation or tempering
- C21D 7/00 - Modifying the physical properties of iron or steel by deformation
Patent holdings for IPC class C21D 7/00
Total number of patents in this class: 71
10-year publication summary
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4
|
4
|
2
|
5
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5
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5
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0
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2
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4
|
2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ArcelorMittal | 2271 |
3 |
| ArcelorMittal France | 86 |
3 |
| JFE Steel Corporation | 6809 |
3 |
| Nippon Steel Corporation | 6203 |
3 |
| The Boeing Company | 20031 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3795 |
2 |
| Safran Aircraft Engines | 6265 |
2 |
| Surface Technology Holdings, Ltd. | 24 |
2 |
| United States Steel Corporation | 174 |
2 |
| Europe Technologies | 19 |
2 |
| AVIC Manufacturing Technology Institute | 9 |
2 |
| Honda Motor Co., Ltd. | 25166 |
1 |
| SNECMA S.A. | 1145 |
1 |
| ExxonMobil Research And Engineering Company | 2585 |
1 |
| United Technologies Corporation | 2247 |
1 |
| Abbott Cardiovascular Systems, Inc. | 1114 |
1 |
| Caterpillar Inc. | 9527 |
1 |
| Massachusetts Institute of Technology | 10030 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2743 |
1 |
| Dai Nippon Printing Co., Ltd. | 4071 |
1 |
| Other owners | 36 |