- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 39/08 - Braking or tensioning arrangements
Patent holdings for IPC class B21B 39/08
Total number of patents in this class: 48
10-year publication summary
|
8
|
0
|
2
|
3
|
2
|
3
|
4
|
2
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6965 |
6 |
| Primetals Technologies Austria GmbH | 544 |
4 |
| Siemens AG | 24352 |
3 |
| Danieli & C. Officine Meccaniche S.p.A. | 716 |
3 |
| Nippon Steel Corporation | 6365 |
3 |
| Novelis Inc. | 762 |
3 |
| SMS Siemag Aktiengesellschaft | 505 |
3 |
| The Bradbury Company, Inc. | 43 |
2 |
| Muhr und Bender KG | 86 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
2 |
| SMS Group GmbH | 1134 |
2 |
| Sumitomo Metal Industries, Ltd. | 366 |
2 |
| Mitsubishi Electric Corporation | 46547 |
1 |
| Siemens VAI Metals Technologies GmbH | 221 |
1 |
| Jdc, Inc. | 21 |
1 |
| Mitsubishi-Hitachi Metals Machinery, Inc. | 55 |
1 |
| Nippon Steel Engineering Co., Ltd. | 205 |
1 |
| Primetals Technologies Germany GmbH | 204 |
1 |
| Primetals Technologies Italy S.r.l. | 14 |
1 |
| Primetals Technologies USA LLC | 119 |
1 |
| Other owners | 5 |