- 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: 329
10-year publication summary
|
22
|
20
|
19
|
24
|
25
|
30
|
23
|
29
|
21
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SMS Group GmbH | 1151 |
30 |
| POSCO | 2154 |
24 |
| Primetals Technologies Austria GmbH | 563 |
17 |
| JFE Steel Corporation | 7179 |
16 |
| Nippon Steel Corporation | 6595 |
15 |
| TMEIC Corporation | 839 |
15 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 980 |
14 |
| Primetals Technologies Germany GmbH | 213 |
13 |
| Nanjing Iron&Steel Co.,Ltd. | 176 |
13 |
| Baoshan Iron & Steel Co., Ltd. | 1046 |
12 |
| POSCO Co., Ltd. | 1634 |
8 |
| Hyundai Steel Company | 473 |
6 |
| Novelis Inc. | 782 |
6 |
| Siemens AG | 24278 |
5 |
| Angang Steel Company Limited | 36 |
5 |
| Constellium Neuf-brisach | 140 |
5 |
| Danieli & C. Officine Meccaniche S.p.A. | 713 |
4 |
| Jiangsu Suzhou Steel Group Co., Ltd. | 5 |
4 |
| Northeastern University | 555 |
4 |
| Peking University Founder Group Co., Ltd. | 140 |
4 |
| Other owners | 109 |