- 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 1/60 - Aqueous agents
Patent holdings for IPC class C21D 1/60
Total number of patents in this class: 156
10-year publication summary
|
12
|
42
|
27
|
18
|
23
|
18
|
11
|
11
|
7
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6067 |
10 |
| Idemitsu Kosan Co., Ltd. | 3995 |
9 |
| Fives Stein | 96 |
8 |
| Baoshan Iron & Steel Co., Ltd. | 832 |
7 |
| Novelis Inc. | 656 |
7 |
| Caterpillar Inc. | 8877 |
6 |
| NHK Spring Co., Ltd. | 1657 |
6 |
| ArcelorMittal | 1887 |
5 |
| Houghton Technical Corp. | 115 |
4 |
| Nippon Steel Corporation | 5649 |
4 |
| POSCO Co., Ltd. | 1059 |
3 |
| SMS Group GmbH | 1029 |
3 |
| Zhejiang Ruizhi Steel Co., Ltd. | 3 |
3 |
| Fives Stein | 5 |
3 |
| BASF SE | 19740 |
2 |
| Ford Motor Company | 2817 |
2 |
| The Boeing Company | 19843 |
2 |
| ArcelorMittal Wire France | 40 |
2 |
| BlueScope Steel Limited | 223 |
2 |
| Consolidated Engineering Company, Inc. | 33 |
2 |
| Other owners | 66 |