- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 37/58 - Roll-force controlRoll-gap control
Patent holdings for IPC class B21B 37/58
Total number of patents in this class: 156
10-year publication summary
|
4
|
7
|
12
|
18
|
9
|
12
|
18
|
12
|
12
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Primetals Technologies Germany GmbH | 203 |
15 |
| JFE Steel Corporation | 6816 |
11 |
| Novelis Inc. | 744 |
10 |
| Nippon Steel Corporation | 6207 |
9 |
| Primetals Technologies Japan, Ltd. | 162 |
9 |
| SMS Group GmbH | 1118 |
8 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 995 |
7 |
| Siemens AG | 24520 |
6 |
| POSCO | 2186 |
6 |
| Primetals Technologies Austria GmbH | 531 |
5 |
| TMEIC Corporation | 770 |
5 |
| SMS Siemag Aktiengesellschaft | 505 |
4 |
| Angang Steel Company Limited | 25 |
2 |
| Baoshan Iron & Steel Co., Ltd. | 959 |
2 |
| The Bradbury Company, Inc. | 43 |
2 |
| Danieli & C. Officine Meccaniche S.p.A. | 716 |
2 |
| Hyundai Steel Company | 426 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
2 |
| Sintokogio, Ltd. | 1166 |
2 |
| Taiyuan University of Technology | 254 |
2 |
| Other owners | 45 |