- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 37/46 - Roll speed or drive motor control
Patent holdings for IPC class B21B 37/46
Total number of patents in this class: 108
10-year publication summary
|
5
|
6
|
10
|
4
|
9
|
6
|
9
|
3
|
11
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Primetals Technologies Germany GmbH | 220 |
11 |
| SMS Group GmbH | 1197 |
9 |
| Siemens AG | 24029 |
7 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 968 |
6 |
| JFE Steel Corporation | 7527 |
5 |
| The Bradbury Company, Inc. | 42 |
4 |
| Danieli & C. Officine Meccaniche S.p.A. | 720 |
4 |
| Nippon Steel Corporation | 6871 |
4 |
| Primetals Technologies Japan, Ltd. | 180 |
4 |
| Primetals Technologies Austria GmbH | 573 |
3 |
| Primetals Technologies USA LLC | 120 |
3 |
| TMEIC Corporation | 912 |
3 |
| Baoshan Iron & Steel Co., Ltd. | 1102 |
2 |
| Hegenscheidt-MFD GmbH & Co. KG | 67 |
2 |
| Hyundai Steel Company | 531 |
2 |
| Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd. | 84 |
2 |
| Pangang Group Panzhihua Steel & Vanadium Co., Ltd. | 16 |
2 |
| POSCO | 2143 |
2 |
| Chengdu Advanced Metal Materials Industry Technology Research Institute Co., Ltd. | 20 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
1 |
| Other owners | 30 |