Patent holdings for IPC class B21K 23/00

Total number of patents in this class: 117

10-year publication summary

19
7
8
14
5
6
1
2
3
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Nippon Steel Corporation
6155
5
Toyota Motor Corporation
31377
4
NUCAP Industries Inc.
85
4
ThyssenKrupp Steel Europe AG
952
4
SPM Oil & Gas Inc.
321
4
Robert Bosch GmbH
42411
3
ZF Friedrichshafen AG
7119
3
Nippon Light Metal Company, Ltd.
659
3
Soode Nagano Co., Ltd.
16
3
Honda Motor Co., Ltd.
25127
2
Sanyo Electric Co., Ltd.
3712
2
Hyundai Motor Company
21501
2
NSK Ltd.
2766
2
Keiper GmbH & Co. KG
158
2
Aubert & Duval
111
2
ESG Edelmetall-Service GmbH & Co. KG
14
2
Feintool International Holding AG
96
2
Gapwaves AB
81
2
Holzhauer GmbH & CO. KG
8
2
KHVATEC Co., Ltd.
29
2
Other owners 62