- 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: 72
10-year publication summary
12
|
4
|
4
|
2
|
5
|
5
|
5
|
0
|
1
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
ArcelorMittal | 1887 |
3 |
ArcelorMittal France | 102 |
3 |
JFE Steel Corporation | 6067 |
3 |
Nippon Steel Corporation | 5649 |
3 |
The Boeing Company | 19843 |
2 |
National Institute of Advanced Industrial Science and Technology | 3677 |
2 |
Safran Aircraft Engines | 5739 |
2 |
Surface Technology Holdings, Ltd. | 31 |
2 |
ThyssenKrupp AG | 3086 |
2 |
ThyssenKrupp Steel Europe AG | 924 |
2 |
United States Steel Corporation | 168 |
2 |
Europe Technologies | 14 |
2 |
General Electric Company | 18133 |
1 |
Honda Motor Co., Ltd. | 24537 |
1 |
SNECMA S.A. | 1160 |
1 |
ExxonMobil Research And Engineering Company | 2830 |
1 |
United Technologies Corporation | 2328 |
1 |
Abbott Cardiovascular Systems, Inc. | 1117 |
1 |
Caterpillar Inc. | 8877 |
1 |
Massachusetts Institute of Technology | 9795 |
1 |
Other owners | 36 |