- All sections
- B - Performing operationstransporting
- B21K - Making forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels
- B21K 23/00 - Making other articles
Patent holdings for IPC class B21K 23/00
Total number of patents in this class: 124
10-year publication summary
|
7
|
8
|
14
|
5
|
6
|
1
|
2
|
3
|
3
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6911 |
5 |
| Toyota Motor Corporation | 35857 |
4 |
| NUCAP Industries Inc. | 83 |
4 |
| ThyssenKrupp Steel Europe AG | 993 |
4 |
| SPM Oil & Gas Inc. | 360 |
4 |
| Robert Bosch GmbH | 44209 |
3 |
| ZF Friedrichshafen AG | 7256 |
3 |
| Aubert & Duval | 109 |
3 |
| Nippon Light Metal Company, Ltd. | 683 |
3 |
| Soode Nagano Co., Ltd. | 24 |
3 |
| Resonac Corporation | 3561 |
3 |
| Honda Motor Co., Ltd. | 26064 |
2 |
| Sanyo Electric Co., Ltd. | 3404 |
2 |
| Hyundai Motor Company | 24745 |
2 |
| Schaeffler Technologies AG & Co. KG | 11044 |
2 |
| NSK Ltd. | 2834 |
2 |
| Keiper GmbH & Co. KG | 140 |
2 |
| ESG Edelmetall-Service GmbH & Co. KG | 13 |
2 |
| Feintool International Holding AG | 98 |
2 |
| Gapwaves AB | 87 |
2 |
| Other owners | 67 |