- All sections
- B - Performing operations; transporting
- B21G - Making needles, pins or nails of metal
- B21G 1/04 - Making needles used for performing operations of needles with eyes, e.g. sewing-needles, sewing-awls of needles specially adapted for use in machines or tools
Patent holdings for IPC class B21G 1/04
Total number of patents in this class: 4
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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0
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1
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2
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1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Groz-Beckert KG | 393 |
4 |
| Other owners | 0 |