Patent holdings for IPC class B21K 23/00

Total number of patents in this class: 120

10-year publication summary

19
7
8
13
5
5
1
2
3
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Nippon Steel Corporation
6396
5
Toyota Motor Corporation
33015
4
NUCAP Industries Inc.
85
4
ThyssenKrupp Steel Europe AG
961
4
SPM Oil & Gas Inc.
331
4
Robert Bosch GmbH
42826
3
ZF Friedrichshafen AG
7181
3
Nippon Light Metal Company, Ltd.
672
3
Soode Nagano Co., Ltd.
20
3
Resonac Corporation
2917
3
Honda Motor Co., Ltd.
25780
2
Sanyo Electric Co., Ltd.
3643
2
Hyundai Motor Company
22435
2
Schaeffler Technologies AG & Co. KG
10035
2
NSK Ltd.
2802
2
Keiper GmbH & Co. KG
151
2
Aubert & Duval
112
2
ESG Edelmetall-Service GmbH & Co. KG
14
2
Feintool International Holding AG
97
2
Gapwaves AB
84
2
Other owners 64