- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 1/02 - 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 heavy work, e.g. ingots, slabs, billets, in which the cross-sectional form is unimportant
Patent holdings for IPC class B21B 1/02
Total number of patents in this class: 146
10-year publication summary
|
9
|
28
|
20
|
8
|
12
|
8
|
6
|
7
|
6
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6195 |
28 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
27 |
| JFE Steel Corporation | 6806 |
17 |
| SMS Group GmbH | 1117 |
6 |
| Toho Titanium Co., Ltd. | 252 |
5 |
| POSCO Co., Ltd. | 1558 |
4 |
| The Boeing Company | 20031 |
2 |
| ATI Properties LLC | 203 |
2 |
| Danieli & C. Officine Meccaniche S.p.A. | 713 |
2 |
| Nippon Steel & Sumikin Stainless Steel Corporation | 168 |
2 |
| Nisshin Steel Co., Ltd. | 394 |
2 |
| Poongsan Corporation | 55 |
2 |
| Primetals Technologies Austria GmbH | 529 |
2 |
| Tosoh SMD, Inc. | 54 |
2 |
| UACJ Corporation | 686 |
2 |
| Nanjing Iron&Steel Co.,Ltd. | 163 |
2 |
| Forge Pat GmbH | 5 |
2 |
| Samsung Electronics Co., Ltd. | 144675 |
1 |
| Hitachi, Ltd. | 15462 |
1 |
| Siemens VAI Metals Technologies GmbH | 222 |
1 |
| Other owners | 34 |