• All sections
  • B - Performing operations; transporting
  • B21B - Rolling of metal
  • B21B 1/40 - 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 foils which present special problems, e.g. because of thinness

Patent holdings for IPC class B21B 1/40

Total number of patents in this class: 138

10-year publication summary

11
7
4
8
10
7
15
7
11
4
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
JX Nippon Mining & Metals Corporation
1576
24
Blue Solutions Canada Inc.
53
9
Hydro-Quebec
637
5
Nippon Steel Chemical & Material Co., Ltd.
571
5
Dai Nippon Printing Co., Ltd.
3891
4
The Furukawa Electric Co., Ltd.
3486
4
Contemporary Amperex Technology Co., Limited
5805
4
Furukawa Automotive Systems Inc.
558
4
JFE Steel Corporation
6067
4
Nippon Steel & Sumikin Materials Co., Ltd.
78
4
Toyo Aluminium Kabushiki Kaisha
357
4
UACJ Corporation
631
4
Nippon Steel & Sumitomo Metal Corporation
1990
3
Seamless Technologies, LLC
28
3
Shanghai Wuxing Copper Co., Ltd.
3
3
Bayerische Motoren Werke Aktiengesellschaft
13126
2
Boegli-Gravures S.A.
101
2
Fukuda Metal Foil & Powder Co., Ltd.
66
2
Hyundai Steel Company
310
2
KC Glass & Materials Co., Ltd.
2
2
Other owners 44