- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 1/00 - 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
Patent holdings for IPC class B21B 1/00
Total number of patents in this class: 111
10-year publication summary
|
2
|
7
|
5
|
8
|
10
|
3
|
2
|
6
|
9
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6255 |
9 |
| JFE Steel Corporation | 6852 |
6 |
| SMS Group GmbH | 1127 |
5 |
| ATI Properties LLC | 204 |
4 |
| ThyssenKrupp Steel Europe AG | 955 |
3 |
| International Business Machines Corporation | 61257 |
2 |
| Sumitomo Electric Industries, Ltd. | 15495 |
2 |
| NTN Corporation | 4976 |
2 |
| ArcelorMittal | 2289 |
2 |
| Baoshan Iron & Steel Co., Ltd. | 963 |
2 |
| Nucor Corporation | 413 |
2 |
| Tata Steel Ijmuiden B.V. | 312 |
2 |
| Tata Steel Limited | 174 |
2 |
| Arconic Inc. | 245 |
2 |
| Hangzhou Juli Insulation Co., Ltd | 2 |
2 |
| Jiangsu Shagang Group Co., Ltd. | 91 |
2 |
| Hyundai Motor Company | 22022 |
1 |
| NGK Insulators, Ltd. | 4964 |
1 |
| Kia Motors Corporation | 7754 |
1 |
| The Furukawa Electric Co., Ltd. | 3652 |
1 |
| Other owners | 58 |