- All sections
- B - Performing operationstransporting
- B21K - Making forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels
- B21K 1/66 - Making machine elements nuts from strip bars
Patent holdings for IPC class B21K 1/66
Total number of patents in this class: 8
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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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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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyundai Motor Company | 22167 |
2 |
| Kia Motors Corporation | 7751 |
2 |
| Sungwoo Hitech Co., Ltd. | 87 |
2 |
| Protech Korea Co. Ltd. | 2 |
2 |
| Other owners | 0 |