- All sections
- G - Physics
- G04B - Mechanically-driven clocks or watchesmechanical parts of clocks or watches in generaltime-pieces using the position of the sun, moon, or stars
- G04B 21/08 - Sounding bodiesWhistlesMusical apparatus
Patent holdings for IPC class G04B 21/08
Total number of patents in this class: 39
10-year publication summary
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3
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0
|
3
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6
|
4
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2
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2
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0
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0
|
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
|
|---|---|---|
| Montres Breguet S.A. | 362 |
15 |
| Blancpain S.A. | 127 |
7 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1614 |
3 |
| Patek Philippe SA Geneve | 416 |
3 |
| The Swatch Group Research and Development Ltd | 877 |
2 |
| Samsung Electronics Co., Ltd. | 158442 |
1 |
| Chopard Technologies SA | 15 |
1 |
| Manufacture et fabrique de montres et chronometres Ulysse Nardin Le Locle SA | 27 |
1 |
| Omega SA | 220 |
1 |
| Politecnico di Milano | 901 |
1 |
| Reuge S.A. | 3 |
1 |
| Société anonyme de la Manufacture d'horlogerie Audemars Piguet & Cie | 12 |
1 |
| Manufacture D'horlogerie Audemars Piguet SA | 95 |
1 |
| Seiko Watch Corporation | 111 |
1 |
| Other owners | 0 |