- All sections
- B - Performing operationstransporting
- B21F - Working or processing of metal wire
- B21F 45/20 - Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes of spring hooksWire-working in the manufacture of other particular articles of devices for fastening or securing purposes of spring safety hooks
Patent holdings for IPC class B21F 45/20
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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1
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0
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0
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0
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0
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nit Korea Co., Ltd | 5 |
1 |
| Other owners | 0 |