- 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 10/00 - Modifying the physical properties by methods other than heat treatment or deformation
Patent holdings for IPC class C21D 10/00
Total number of patents in this class: 388
10-year publication summary
|
33
|
42
|
40
|
23
|
35
|
30
|
27
|
21
|
16
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiangsu University | 1154 |
40 |
| POSCO | 2153 |
22 |
| POSCO Co., Ltd. | 1677 |
20 |
| JFE Steel Corporation | 7378 |
15 |
| Nippon Steel Corporation | 6738 |
11 |
| Beijing Institute of Technology | 398 |
8 |
| Airbus S.A.S. | 963 |
7 |
| EADS Deutschland GmbH | 360 |
7 |
| Guangdong University of Technology | 641 |
7 |
| Rtx Corporation | 9916 |
6 |
| Airbus Operations GmbH | 3414 |
5 |
| Sunrise International, Inc | 12 |
5 |
| Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences | 173 |
4 |
| Safran Aircraft Engines | 6562 |
4 |
| Tata Steel Limited | 162 |
4 |
| University of The Witwatersrand, Johannesburg | 146 |
4 |
| Wenzhou University | 113 |
4 |
| General Electric Company | 13816 |
3 |
| The Boeing Company | 20094 |
3 |
| Centre National de La Recherche Scientifique | 10895 |
3 |
| Other owners | 206 |