Patent holdings for IPC class B21C 47/00

Total number of patents in this class: 103

10-year publication summary

8
4
13
5
7
8
5
2
5
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Jdc, Inc.
21
7
SMS Group GmbH
1119
6
SMS Siemag Aktiengesellschaft
505
5
Siemens AG
24518
4
Nippon Steel & Sumikin Hardfacing Co., Ltd.
22
4
Novelis Inc.
746
4
POSCO
2187
3
Hitachi Metals, Ltd.
1983
2
Achenbach Buschhutten GmbH & Co. KG
42
2
Mitsubishi-Hitachi Metals Machinery, Inc.
55
2
Norsk Titanium AS
75
2
Primetals Technologies Japan, Ltd.
162
2
Reelex Packaging Solutions, Inc.
41
2
SMS Demag AG
107
2
Elf System Co., Ltd.
5
2
Spazzolplastica S.r.l.
3
2
Toyota Motor Corporation
31903
1
Honeywell International Inc.
13531
1
Seiko Epson Corporation
19321
1
Hitachi, Ltd.
15467
1
Other owners 48