• All sections
  • B - Performing operationstransporting
  • B21B - Rolling of metal
  • B21B 1/40 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession 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: 150

10-year publication summary

7
4
8
11
7
15
8
11
8
5
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
JX Nippon Mining & Metals Corporation
1488
24
Blue Solutions Canada Inc.
58
9
Hydro-Quebec
650
5
Toyo Aluminium Kabushiki Kaisha
351
5
Nippon Steel Chemical & Material Co., Ltd.
649
5
Dai Nippon Printing Co., Ltd.
4085
4
The Furukawa Electric Co., Ltd.
3652
4
Furukawa Automotive Systems Inc.
589
4
JFE Steel Corporation
6852
4
Nippon Steel & Sumikin Materials Co., Ltd.
77
4
UACJ Corporation
695
4
Contemporary Amperex Technology Co., Limited
6643
3
Nippon Steel & Sumitomo Metal Corporation
1988
3
Seamless Technologies, LLC
28
3
Shanghai Wuxing Copper Co., Ltd.
3
3
Bayerische Motoren Werke Aktiengesellschaft
14394
2
Boegli-Gravures S.A.
118
2
Fukuda Metal Foil & Powder Co., Ltd.
76
2
Hyundai Steel Company
427
2
KC Glass & Materials Co., Ltd.
2
2
Other owners 56