• All sections
  • B - Performing operationstransporting
  • B21B - Rolling of metal
  • B21B 1/16 - 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 wire or material of like small cross-section

Patent holdings for IPC class B21B 1/16

Total number of patents in this class: 180

10-year publication summary

20
15
15
10
16
13
18
21
17
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
POSCO Co., Ltd.
1374
17
POSCO
2188
15
Nippon Steel Corporation
6122
11
Danieli & C. Officine Meccaniche S.p.A.
705
8
Nippon Steel & Sumitomo Metal Corporation
1987
7
Primetals Technologies Germany GmbH
198
7
JFE Steel Corporation
6708
6
Primetals Technologies USA LLC
116
5
SMS Group GmbH
1102
5
Hacanoka GmbH
14
4
Nucor Corporation
414
4
Cisdi Engineering Co., Ltd.
97
3
Illinois Tool Works Inc.
11363
2
Siemens AG
24542
2
Hilti Aktiengesellschaft
3427
2
Aktiebolaget SKF
2913
2
Fuji Filter Manufacturing Co., Ltd.
55
2
Hyundai Steel Company
384
2
Korea Institute of Machinery & Materials
735
2
L & P Property Management Company
927
2
Other owners 72