• 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: 184

10-year publication summary

20
15
15
10
16
13
18
21
17
8
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
POSCO Co., Ltd.
1558
20
POSCO
2188
15
Nippon Steel Corporation
6203
11
Danieli & C. Officine Meccaniche S.p.A.
715
8
Nippon Steel & Sumitomo Metal Corporation
1988
7
Primetals Technologies Germany GmbH
203
7
JFE Steel Corporation
6809
6
Primetals Technologies USA LLC
117
5
SMS Group GmbH
1118
5
Hacanoka GmbH
14
4
Nucor Corporation
415
4
Cisdi Engineering Co., Ltd.
100
3
Hyundai Steel Company
425
3
Illinois Tool Works Inc.
11450
2
Siemens AG
24525
2
Hilti Aktiengesellschaft
3489
2
Aktiebolaget SKF
2934
2
Fuji Filter Manufacturing Co., Ltd.
55
2
Korea Institute of Machinery & Materials
746
2
L & P Property Management Company
928
2
Other owners 72