- 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: 383
10-year publication summary
|
30
|
33
|
41
|
38
|
23
|
35
|
29
|
26
|
21
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiangsu University | 1112 |
40 |
| POSCO | 2181 |
22 |
| POSCO Co., Ltd. | 1572 |
20 |
| JFE Steel Corporation | 6935 |
15 |
| Nippon Steel Corporation | 6344 |
11 |
| Beijing Institute of Technology | 375 |
8 |
| Airbus S.A.S. | 915 |
7 |
| EADS Deutschland GmbH | 368 |
7 |
| Guangdong University of Technology | 589 |
6 |
| Rtx Corporation | 9445 |
6 |
| Airbus Operations GmbH | 3352 |
5 |
| LSP Technologies, Inc. | 25 |
4 |
| Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences | 168 |
4 |
| Safran Aircraft Engines | 6306 |
4 |
| Tata Steel Limited | 175 |
4 |
| University of The Witwatersrand, Johannesburg | 143 |
4 |
| Wenzhou University | 97 |
4 |
| Sunrise International, Inc | 10 |
4 |
| General Electric Company | 13859 |
3 |
| The Boeing Company | 20124 |
3 |
| Other owners | 202 |