- All sections
- G - Physics
- G04B - Mechanically-driven clocks or watches; mechanical parts of clocks or watches in general; time-pieces using the position of the sun, moon, or stars
- G04B 5/20 - Automatic winding-up by movements of other objects, e.g. by opening hand-bag, by opening case, by opening door; Winding-up by wind power
Patent holdings for IPC class G04B 5/20
Total number of patents in this class: 9
10-year publication summary
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1
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1
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2
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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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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Swatch Group Research and Development Ltd | 778 |
4 |
| Rolex S.A. | 606 |
2 |
| Celsius X VI II | 6 |
2 |
| Preciflex SA | 53 |
1 |
| Other owners | 0 |