- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 1/085 - Rail sections
Patent holdings for IPC class B21B 1/085
Total number of patents in this class: 45
10-year publication summary
|
4
|
2
|
1
|
6
|
3
|
1
|
1
|
7
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6935 |
13 |
| ArcelorMittal | 2324 |
5 |
| Nippon Steel Corporation | 6344 |
4 |
| Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd. | 71 |
4 |
| Pangang Group Panzhihua Steel & Vanadium Co., Ltd. | 11 |
2 |
| Pangang Group Research Institute Co., Ltd. | 22 |
2 |
| Tata Steel UK Limited | 165 |
2 |
| W. Silver Inc. | 7 |
2 |
| Hilti Aktiengesellschaft | 3510 |
1 |
| Cisdi Engineering Co., Ltd. | 100 |
1 |
| Dalian University of Technology | 1526 |
1 |
| Danieli & C. Officine Meccaniche S.p.A. | 716 |
1 |
| Pangang Group Co., Ltd. | 17 |
1 |
| Primetals Technologies Austria GmbH | 540 |
1 |
| Voestalpine Schienen GmbH | 14 |
1 |
| Wuhan Iron and Steel Company Limited | 28 |
1 |
| Laiwu Steel Group, Ltd. | 3 |
1 |
| Track Tec GmbH | 2 |
1 |
| Joint Stock Company "evraz Consolidated West Siberian Metallurgical Plant" | 1 |
1 |
| Other owners | 0 |