- 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 1/60 - Aqueous agents
Patent holdings for IPC class C21D 1/60
Total number of patents in this class: 203
10-year publication summary
|
27
|
18
|
23
|
18
|
11
|
11
|
10
|
18
|
17
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ArcelorMittal | 2714 |
14 |
| JFE Steel Corporation | 7589 |
12 |
| Idemitsu Kosan Co., Ltd. | 4257 |
11 |
| Fives Stein | 107 |
11 |
| Baoshan Iron & Steel Co., Ltd. | 1114 |
7 |
| NHK Spring Co., Ltd. | 1992 |
7 |
| Novelis Inc. | 782 |
7 |
| Caterpillar Inc. | 10280 |
6 |
| Nippon Steel Corporation | 6932 |
5 |
| POSCO Co., Ltd. | 2021 |
5 |
| SMS Group GmbH | 1206 |
5 |
| Houghton Technical Corp. | 102 |
4 |
| voestalpine Böhler Edelstahl GmbH & Co KG | 65 |
3 |
| Zhejiang Ruizhi Steel Co., Ltd. | 3 |
3 |
| Fives Stein | 4 |
3 |
| BASF SE | 21306 |
2 |
| Ford Motor Company | 2655 |
2 |
| The Boeing Company | 20186 |
2 |
| Aperam | 142 |
2 |
| ArcelorMittal Wire France | 41 |
2 |
| Other owners | 90 |