- 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: 160
10-year publication summary
|
28
|
20
|
8
|
12
|
8
|
6
|
7
|
7
|
10
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6843 |
29 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
27 |
| JFE Steel Corporation | 7508 |
18 |
| POSCO Co., Ltd. | 2006 |
9 |
| SMS Group GmbH | 1194 |
8 |
| Toho Titanium Co., Ltd. | 269 |
5 |
| ArcelorMittal | 2663 |
3 |
| Nanjing Iron&Steel Co.,Ltd. | 186 |
3 |
| The Boeing Company | 20160 |
2 |
| ATI Properties LLC | 200 |
2 |
| Danieli & C. Officine Meccaniche S.p.A. | 720 |
2 |
| Nisshin Steel Co., Ltd. | 382 |
2 |
| Poongsan Corporation | 62 |
2 |
| Primetals Technologies Austria GmbH | 573 |
2 |
| Tosoh SMD, Inc. | 54 |
2 |
| UACJ Corporation | 733 |
2 |
| Jiangsu Shagang Group Co., Ltd. | 112 |
2 |
| Samsung Electronics Co., Ltd. | 157557 |
1 |
| Hitachi, Ltd. | 16071 |
1 |
| Siemens VAI Metals Technologies GmbH | 204 |
1 |
| Other owners | 37 |