- 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: 187
10-year publication summary
|
42
|
27
|
18
|
21
|
17
|
11
|
11
|
8
|
16
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 7074 |
12 |
| Fives Stein | 105 |
11 |
| ArcelorMittal | 2402 |
10 |
| Idemitsu Kosan Co., Ltd. | 4223 |
9 |
| Baoshan Iron & Steel Co., Ltd. | 997 |
7 |
| Novelis Inc. | 769 |
7 |
| Caterpillar Inc. | 9852 |
6 |
| NHK Spring Co., Ltd. | 1907 |
6 |
| Nippon Steel Corporation | 6514 |
5 |
| POSCO Co., Ltd. | 1601 |
5 |
| SMS Group GmbH | 1142 |
5 |
| Houghton Technical Corp. | 108 |
4 |
| Zhejiang Ruizhi Steel Co., Ltd. | 3 |
3 |
| Fives Stein | 4 |
3 |
| BASF SE | 21098 |
2 |
| Ford Motor Company | 2699 |
2 |
| The Boeing Company | 20186 |
2 |
| ArcelorMittal Wire France | 41 |
2 |
| BlueScope Steel Limited | 204 |
2 |
| Consolidated Engineering Company, Inc. | 26 |
2 |
| Other owners | 82 |