- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 45/08 - Devices for surface treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling hydraulically
Patent holdings for IPC class B21B 45/08
Total number of patents in this class: 103
10-year publication summary
11
|
8
|
11
|
9
|
7
|
6
|
6
|
1
|
9
|
2
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
JFE Steel Corporation | 6816 |
18 |
SMS Group GmbH | 1118 |
15 |
Baoshan Iron & Steel Co., Ltd. | 959 |
8 |
POSCO | 2186 |
6 |
Danieli & C. Officine Meccaniche S.p.A. | 716 |
5 |
SMS Siemag Aktiengesellschaft | 505 |
5 |
Hermetik Hydraulik AB | 9 |
4 |
POSCO Co., Ltd. | 1559 |
4 |
Nippon Steel Corporation | 6207 |
3 |
Toshiba Mitsubishi-Electric Industrial Systems Corporation | 995 |
3 |
Siemens AG | 24520 |
2 |
ArcelorMittal France | 86 |
2 |
The Material Works, Ltd. | 29 |
2 |
Primetals Technologies Austria GmbH | 531 |
2 |
SMS Demag AG | 107 |
2 |
Wuhan Iron and Steel Company Limited | 27 |
2 |
POSCO Holdings Inc. | 331 |
2 |
Hunan Valin Xiangtan Iron and Steel Co. Ltd. | 4 |
2 |
Hauhinco Maschinenfabrik, G. Hausherr, Jochums GmbH & Co. KG | 8 |
1 |
Hyundai Steel Company | 426 |
1 |
Other owners | 14 |