- All sections
- C - Chemistry; 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, 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: 70
10-year publication summary
|
4
|
4
|
2
|
5
|
5
|
5
|
0
|
2
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ArcelorMittal | 2064 |
3 |
| ArcelorMittal France | 102 |
3 |
| JFE Steel Corporation | 6557 |
3 |
| Nippon Steel Corporation | 6012 |
3 |
| The Boeing Company | 19911 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3736 |
2 |
| Safran Aircraft Engines | 6039 |
2 |
| Surface Technology Holdings, Ltd. | 30 |
2 |
| United States Steel Corporation | 173 |
2 |
| Europe Technologies | 15 |
2 |
| AVIC Manufacturing Technology Institute | 8 |
2 |
| General Electric Company | 17789 |
1 |
| Honda Motor Co., Ltd. | 24866 |
1 |
| SNECMA S.A. | 1150 |
1 |
| ExxonMobil Research And Engineering Company | 2659 |
1 |
| United Technologies Corporation | 2259 |
1 |
| Abbott Cardiovascular Systems, Inc. | 1112 |
1 |
| Caterpillar Inc. | 9166 |
1 |
| Massachusetts Institute of Technology | 9913 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2720 |
1 |
| Other owners | 35 |