- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 37/48 - Tension controlCompression control
Patent holdings for IPC class B21B 37/48
Total number of patents in this class: 58
10-year publication summary
|
5
|
3
|
2
|
2
|
4
|
6
|
6
|
2
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Primetals Technologies Germany GmbH | 204 |
6 |
| Siemens AG | 24386 |
4 |
| JFE Steel Corporation | 6935 |
4 |
| POSCO | 2181 |
4 |
| Primetals Technologies Japan, Ltd. | 166 |
4 |
| Baoshan Iron & Steel Co., Ltd. | 966 |
3 |
| Novelis Inc. | 759 |
3 |
| SMS Siemag Aktiengesellschaft | 505 |
3 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 989 |
3 |
| SMS Group GmbH | 1131 |
2 |
| Jiangsu Shagang Group Co., Ltd. | 93 |
2 |
| Institute of Research of Iron & Steel, Jiangsu Province/sha-steel, Co., Ltd. | 32 |
2 |
| Shanghai Wuxing Copper Co., Ltd. | 3 |
2 |
| Hitachi, Ltd. | 15572 |
1 |
| Denso Corporation | 24480 |
1 |
| Siemens VAI Metals Technologies GmbH | 221 |
1 |
| Danieli Automation SpA | 123 |
1 |
| Denso Preas Co., Ltd. | 1 |
1 |
| Muhr und Bender KG | 86 |
1 |
| Nippon Steel Corporation | 6344 |
1 |
| Other owners | 9 |