- 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 21/04 - Hour wheels; Racks or rakes; Snails or similar control mechanisms
Patent holdings for IPC class G04B 21/04
Total number of patents in this class: 19
10-year publication summary
|
2
|
3
|
1
|
1
|
6
|
0
|
0
|
1
|
0
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Blancpain S.A. | 111 |
4 |
| Montres Breguet S.A. | 349 |
3 |
| CompliTime SA | 54 |
2 |
| Omega SA | 197 |
2 |
| Agenhor S.A. | 9 |
1 |
| Chopard Technologies SA | 15 |
1 |
| Lange Uhren GmbH | 118 |
1 |
| Montres Jaquet Droz SA | 38 |
1 |
| Patek Philippe SA Geneve | 355 |
1 |
| Sowind SA | 63 |
1 |
| Vaucher Manufacture Fleurier S.A. | 19 |
1 |
| Zenith International SA | 4 |
1 |
| Other owners | 0 |