- All sections
- B - Performing operations; transporting
- B21B - Rolling of metal
- B21B 1/04 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling heavy work, e.g. ingots, slabs, billets, in which the cross-sectional form is unimportant in a continuous process
Patent holdings for IPC class B21B 1/04
Total number of patents in this class: 23
10-year publication summary
1
|
3
|
1
|
9
|
5
|
1
|
1
|
1
|
2
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nippon Steel Corporation | 5649 |
7 |
SMS Group GmbH | 1029 |
4 |
ATI Properties LLC | 202 |
2 |
POSCO Co., Ltd. | 1059 |
2 |
Primetals Technologies Austria GmbH | 479 |
2 |
Andritz Inc. | 344 |
1 |
Baoshan Iron & Steel Co., Ltd. | 832 |
1 |
Novelis Inc. | 656 |
1 |
ThyssenKrupp AG | 3086 |
1 |
ThyssenKrupp Steel Europe AG | 924 |
1 |
Toyo Aluminium Kabushiki Kaisha | 357 |
1 |
Other owners | 0 |