- All sections
- B - Performing operationstransporting
- B21K - Making forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels
- B21K 1/68 - Making machine elements nuts from round or profiled bars
Patent holdings for IPC class B21K 1/68
Total number of patents in this class: 1
10-year publication summary
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0
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0
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0
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0
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
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|---|---|---|
| NSK Ltd. | 2821 |
1 |
| Other owners | 0 |