- 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: 150
10-year publication summary
|
13
|
9
|
13
|
12
|
8
|
9
|
7
|
7
|
7
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6238 |
19 |
| JFE Steel Corporation | 6840 |
12 |
| Novelis Inc. | 750 |
10 |
| SMS Group GmbH | 1125 |
10 |
| Primetals Technologies Austria GmbH | 532 |
6 |
| ArcelorMittal | 2285 |
4 |
| Baoshan Iron & Steel Co., Ltd. | 964 |
4 |
| Ajax Tocco Magnethermic Corporation | 98 |
3 |
| Andritz Technology and Asset Management GmbH | 90 |
3 |
| Inductotherm Corp. | 161 |
3 |
| Neturen Co., Ltd. | 198 |
3 |
| ThyssenKrupp Rasselstein GmbH | 72 |
3 |
| Automat Industrial, S.L. | 2 |
2 |
| Chugai Ro Co., Ltd. | 129 |
2 |
| Danieli & C. Officine Meccaniche S.p.A. | 714 |
2 |
| NV Bekaert SA | 747 |
2 |
| POSCO Co., Ltd. | 1568 |
2 |
| Rotelec | 19 |
2 |
| SMS Siemag Aktiengesellschaft | 505 |
2 |
| Sumitomo Electric Wintec, Inc. | 65 |
2 |
| Other owners | 54 |