• All sections
  • B - Performing operations; transporting
  • B21B - Rolling of metal
  • B21B 1/08 - 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 work of special cross-section, e.g. angle steel

Patent holdings for IPC class B21B 1/08

Total number of patents in this class: 81

10-year publication summary

1
8
12
8
7
7
4
6
5
0
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Nippon Steel Corporation
5649
9
Nippon Steel & Sumitomo Metal Corporation
1990
8
Voestalpine Krems GmbH
32
3
Shandong Iron and Steel Company Ltd
19
3
Hilti Aktiengesellschaft
3227
2
Danieli & C. Officine Meccaniche S.p.A.
680
2
JFE Steel Corporation
6067
2
Maanshan Iron & Steel Co. Ltd.
26
2
Magna International Inc.
1236
2
Hanyoung Machinery
2
2
Toyota Motor Corporation
28582
1
The Boeing Company
19843
1
Siemens Industry, Inc.
1417
1
Toray Industries, Inc.
6652
1
The Furukawa Electric Co., Ltd.
3486
1
Arkema France
3790
1
BorgWarner Inc.
2604
1
The Bradbury Company, Inc.
44
1
Cisdi Engineering Co., Ltd.
86
1
Consolidated Metal Products, Inc.
16
1
Other owners 36