- 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: 174
10-year publication summary
|
42
|
27
|
18
|
23
|
18
|
11
|
11
|
8
|
16
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fives Stein | 105 |
11 |
| JFE Steel Corporation | 6840 |
11 |
| Idemitsu Kosan Co., Ltd. | 4219 |
9 |
| ArcelorMittal | 2285 |
7 |
| Baoshan Iron & Steel Co., Ltd. | 964 |
7 |
| Novelis Inc. | 750 |
7 |
| Caterpillar Inc. | 9548 |
6 |
| NHK Spring Co., Ltd. | 1861 |
6 |
| POSCO Co., Ltd. | 1568 |
5 |
| Houghton Technical Corp. | 110 |
4 |
| Nippon Steel Corporation | 6238 |
4 |
| SMS Group GmbH | 1125 |
4 |
| Zhejiang Ruizhi Steel Co., Ltd. | 3 |
3 |
| Fives Stein | 4 |
3 |
| BASF SE | 20933 |
2 |
| Ford Motor Company | 2706 |
2 |
| The Boeing Company | 20043 |
2 |
| ArcelorMittal Wire France | 42 |
2 |
| BlueScope Steel Limited | 211 |
2 |
| Consolidated Engineering Company, Inc. | 27 |
2 |
| Other owners | 75 |