- 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: 404
10-year publication summary
|
33
|
42
|
40
|
23
|
35
|
30
|
27
|
21
|
16
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiangsu University | 1167 |
40 |
| POSCO Co., Ltd. | 2015 |
27 |
| POSCO | 2142 |
22 |
| JFE Steel Corporation | 7549 |
16 |
| Nippon Steel Corporation | 6895 |
14 |
| Beijing Institute of Technology | 404 |
8 |
| Airbus S.A.S. | 979 |
7 |
| EADS Deutschland GmbH | 356 |
7 |
| Guangdong University of Technology | 662 |
7 |
| Rtx Corporation | 10128 |
6 |
| Airbus Operations GmbH | 3449 |
5 |
| Sunrise International, Inc | 15 |
5 |
| Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences | 176 |
4 |
| Safran Aircraft Engines | 6704 |
4 |
| Tata Steel Limited | 166 |
4 |
| University of The Witwatersrand, Johannesburg | 146 |
4 |
| Wenzhou University | 117 |
4 |
| General Electric Company | 13910 |
3 |
| The Boeing Company | 20163 |
3 |
| Centre National de La Recherche Scientifique | 11026 |
3 |
| Other owners | 211 |