• All sections
  • B - Performing operationstransporting
  • B21B - Rolling of metal
  • B21B 1/02 - 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 heavy work, e.g. ingots, slabs, billets, in which the cross-sectional form is unimportant

Patent holdings for IPC class B21B 1/02

Total number of patents in this class: 160

10-year publication summary

28
20
8
12
8
6
7
7
10
12
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Nippon Steel Corporation
6843
29
Nippon Steel & Sumitomo Metal Corporation
1981
27
JFE Steel Corporation
7508
18
POSCO Co., Ltd.
2006
9
SMS Group GmbH
1194
8
Toho Titanium Co., Ltd.
269
5
ArcelorMittal
2663
3
Nanjing Iron&Steel Co.,Ltd.
186
3
The Boeing Company
20160
2
ATI Properties LLC
200
2
Danieli & C. Officine Meccaniche S.p.A.
720
2
Nisshin Steel Co., Ltd.
382
2
Poongsan Corporation
62
2
Primetals Technologies Austria GmbH
573
2
Tosoh SMD, Inc.
54
2
UACJ Corporation
733
2
Jiangsu Shagang Group Co., Ltd.
112
2
Samsung Electronics Co., Ltd.
157557
1
Hitachi, Ltd.
16071
1
Siemens VAI Metals Technologies GmbH
204
1
Other owners 37