- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 37/74 - Temperature control, e.g. by cooling or heating the rolls or the product
Patent holdings for IPC class B21B 37/74
Total number of patents in this class: 315
10-year publication summary
|
15
|
23
|
22
|
19
|
24
|
25
|
29
|
24
|
29
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SMS Group GmbH | 1118 |
28 |
| POSCO | 2186 |
24 |
| JFE Steel Corporation | 6816 |
15 |
| Nippon Steel Corporation | 6207 |
15 |
| Primetals Technologies Austria GmbH | 531 |
15 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 995 |
14 |
| TMEIC Corporation | 770 |
14 |
| Primetals Technologies Germany GmbH | 203 |
12 |
| Nanjing Iron&Steel Co.,Ltd. | 163 |
12 |
| Baoshan Iron & Steel Co., Ltd. | 959 |
11 |
| POSCO Co., Ltd. | 1559 |
8 |
| Hyundai Steel Company | 426 |
6 |
| Novelis Inc. | 744 |
6 |
| Siemens AG | 24520 |
5 |
| Constellium Neuf-brisach | 136 |
5 |
| Danieli & C. Officine Meccaniche S.p.A. | 716 |
4 |
| Jiangsu Suzhou Steel Group Co., Ltd. | 5 |
4 |
| Northeastern University | 538 |
4 |
| Peking University Founder Group Co., Ltd. | 145 |
4 |
| SMS Siemag Aktiengesellschaft | 505 |
4 |
| Other owners | 105 |