- 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 9/60 - Continuous furnaces for strip or wire with induction heating
Patent holdings for IPC class C21D 9/60
Total number of patents in this class: 162
10-year publication summary
|
9
|
13
|
12
|
8
|
9
|
7
|
7
|
8
|
9
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6843 |
17 |
| JFE Steel Corporation | 7508 |
15 |
| SMS Group GmbH | 1194 |
12 |
| Novelis Inc. | 779 |
10 |
| Primetals Technologies Austria GmbH | 573 |
8 |
| ArcelorMittal | 2663 |
6 |
| Baoshan Iron & Steel Co., Ltd. | 1101 |
4 |
| Ajax Tocco Magnethermic Corporation | 93 |
3 |
| Andritz Technology and Asset Management GmbH | 78 |
3 |
| Inductotherm Corp. | 154 |
3 |
| Neturen Co., Ltd. | 198 |
3 |
| ThyssenKrupp Rasselstein GmbH | 71 |
3 |
| Automat Industrial, S.L. | 2 |
2 |
| Chugai Ro Co., Ltd. | 130 |
2 |
| Danieli & C. Officine Meccaniche S.p.A. | 720 |
2 |
| Drever International S.A. | 14 |
2 |
| Maschinenfabrik Niehoff GmbH & Co. KG | 44 |
2 |
| NV Bekaert SA | 725 |
2 |
| POSCO Co., Ltd. | 2006 |
2 |
| Pyrogenesis Canada, Inc. | 66 |
2 |
| Other owners | 59 |