- 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 21/04 - Hour wheelsRacks or rakesSnails or similar control mechanisms
Patent holdings for IPC class G04B 21/04
Total number of patents in this class: 18
10-year publication summary
|
3
|
1
|
1
|
6
|
0
|
0
|
1
|
0
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Blancpain S.A. | 123 |
4 |
| Montres Breguet S.A. | 351 |
3 |
| Omega SA | 215 |
2 |
| Agenhor S.A. | 9 |
1 |
| Chopard Technologies SA | 16 |
1 |
| CompliTime SA | 36 |
1 |
| Lange Uhren GmbH | 113 |
1 |
| Montres Jaquet Droz SA | 39 |
1 |
| Patek Philippe SA Geneve | 379 |
1 |
| Sowind SA | 62 |
1 |
| Vaucher Manufacture Fleurier S.A. | 18 |
1 |
| Greubel Forsey S.A. | 38 |
1 |
| Other owners | 0 |