- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 1/08 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling work of special cross-section, e.g. angle steel
Patent holdings for IPC class B21B 1/08
Total number of patents in this class: 83
10-year publication summary
|
8
|
12
|
8
|
7
|
7
|
4
|
6
|
6
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6038 |
9 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
8 |
| Shandong Iron and Steel Company Ltd | 24 |
3 |
| Hilti Aktiengesellschaft | 3400 |
2 |
| Cisdi Engineering Co., Ltd. | 94 |
2 |
| Danieli & C. Officine Meccaniche S.p.A. | 709 |
2 |
| JFE Steel Corporation | 6596 |
2 |
| Maanshan Iron & Steel Co. Ltd. | 27 |
2 |
| Magna International Inc. | 1263 |
2 |
| Voestalpine Krems GmbH | 31 |
2 |
| Cisdi Shanghai Engineering Co., Ltd. | 14 |
2 |
| Hanyoung Machinery | 2 |
2 |
| Toyota Motor Corporation | 30525 |
1 |
| The Boeing Company | 19946 |
1 |
| Siemens Industry, Inc. | 1432 |
1 |
| Toray Industries, Inc. | 6864 |
1 |
| The Furukawa Electric Co., Ltd. | 3605 |
1 |
| Arkema France | 3896 |
1 |
| BorgWarner Inc. | 2604 |
1 |
| The Bradbury Company, Inc. | 44 |
1 |
| Other owners | 37 |