- 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
|
8
|
3
|
0
|
3
|
6
|
4
|
2
|
2
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Montres Breguet S.A. | 350 |
15 |
| Blancpain S.A. | 117 |
7 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1536 |
3 |
| Patek Philippe SA Geneve | 377 |
3 |
| The Swatch Group Research and Development Ltd | 841 |
2 |
| Samsung Electronics Co., Ltd. | 145864 |
1 |
| Chopard Technologies SA | 15 |
1 |
| Manufacture et fabrique de montres et chronometres Ulysse Nardin Le Locle SA | 28 |
1 |
| Politecnico di Milano | 847 |
1 |
| Reuge S.A. | 3 |
1 |
| Société anonyme de la Manufacture d'horlogerie Audemars Piguet & Cie | 12 |
1 |
| Mermod Frere SA | 1 |
1 |
| Manufacture D'horlogerie Audemars Piguet SA | 73 |
1 |
| Seiko Watch Corporation | 112 |
1 |
| Other owners | 0 |