Patent holdings for IPC class B21C 51/00

Total number of patents in this class: 510

10-year publication summary

30
29
26
45
46
46
37
53
35
20
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
JFE Steel Corporation
6067
68
Nippon Steel Corporation
5649
38
Nippon Steel & Sumitomo Metal Corporation
1990
18
SMS Group GmbH
1029
12
Sumitomo Metal Industries, Ltd.
453
11
Toshiba Mitsubishi-Electric Industrial Systems Corporation
1583
10
Danieli & C. Officine Meccaniche S.p.A.
680
9
Primetals Technologies Austria GmbH
479
8
Primetals Technologies Japan, Ltd.
143
8
WAFIOS Aktiengesellschaft
86
7
TRUMPF Werkzeugmaschinen GmbH + Co. KG
585
6
SMS Siemag Aktiengesellschaft
529
5
Komatsu Industries Corporation
185
4
Amada Holdings Co., Ltd.
297
4
Europipe GmbH
17
4
Globus Medical, Inc.
2463
4
Sintokogio, Ltd.
1148
4
Jiangsu University of Science and Technology
324
4
General Electric Company
18133
3
Ford Motor Company
2817
3
Other owners 280