- 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 19/247 - Clocks or watches with date indicators; Clockwork calendars characterised by the shape of the date indicator disc-shaped
Patent holdings for IPC class G04B 19/247
Total number of patents in this class: 58
10-year publication summary
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4
|
10
|
8
|
3
|
3
|
5
|
4
|
3
|
2
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ETA SA Manufacture Horlogere Suisse | 638 |
13 |
| Seiko Epson Corporation | 18724 |
8 |
| Rolex S.A. | 606 |
6 |
| Casio Computer Co., Ltd. | 3343 |
4 |
| Patek Philippe SA Geneve | 355 |
4 |
| Harry Winston SA | 817 |
3 |
| Blancpain S.A. | 111 |
2 |
| Timex Group B.V. | 24 |
2 |
| Télôs Watch SA | 4 |
2 |
| Manufacture D'horlogerie Audemars Piguet SA | 48 |
2 |
| LG Electronics Inc. | 69257 |
1 |
| citizen Watch Co., Ltd. | 1062 |
1 |
| Fuzhou Xiaoshenlong Watch Technology Research Co., Ltd. | 4 |
1 |
| Montres Breguet S.A. | 349 |
1 |
| Montres Corum SARL | 36 |
1 |
| Parmigiani Fleurier SA | 78 |
1 |
| Pequignet S.A. | 5 |
1 |
| Richemont International SA | 1061 |
1 |
| TAG Heuer SA | 9 |
1 |
| Tissot SA | 192 |
1 |
| Other owners | 2 |