• 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