• 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: 185

10-year publication summary

18
15
15
10
16
13
16
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.
1571
20
POSCO
2183
15
Nippon Steel Corporation
6334
11
Danieli & C. Officine Meccaniche S.p.A.
718
8
JFE Steel Corporation
6916
7
Nippon Steel & Sumitomo Metal Corporation
1987
7
Primetals Technologies Germany GmbH
204
7
Primetals Technologies USA LLC
119
5
SMS Group GmbH
1131
5
Nucor Corporation
419
4
Cisdi Engineering Co., Ltd.
100
3
Hacanoka GmbH
13
3
Hyundai Steel Company
435
3
Illinois Tool Works Inc.
11494
2
Siemens AG
24409
2
Hilti Aktiengesellschaft
3506
2
Aktiebolaget SKF
2976
2
Fuji Filter Manufacturing Co., Ltd.
54
2
Korea Institute of Machinery & Materials
750
2
L & P Property Management Company
932
2
Other owners 73