- 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 19/247 - Clocks or watches with date indicatorsClockwork 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: 61
10-year publication summary
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10
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8
|
3
|
4
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5
|
4
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3
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2
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4
|
3
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ETA SA Manufacture Horlogere Suisse | 681 |
13 |
| Seiko Epson Corporation | 19321 |
8 |
| Rolex S.A. | 662 |
7 |
| Casio Computer Co., Ltd. | 3424 |
6 |
| Patek Philippe SA Geneve | 377 |
4 |
| Manufacture D'horlogerie Audemars Piguet SA | 72 |
4 |
| Harry Winston SA | 954 |
3 |
| Blancpain S.A. | 117 |
2 |
| Télôs Watch SA | 4 |
2 |
| LG Electronics Inc. | 72890 |
1 |
| citizen Watch Co., Ltd. | 1076 |
1 |
| Fuzhou Xiaoshenlong Watch Technology Research Co., Ltd. | 4 |
1 |
| Montres Breguet S.A. | 350 |
1 |
| Montres Corum SARL | 30 |
1 |
| Parmigiani Fleurier SA | 77 |
1 |
| Pequignet S.A. | 5 |
1 |
| Richemont International SA | 2704 |
1 |
| TAG Heuer SA | 5 |
1 |
| Tissot SA | 193 |
1 |
| Zenith International SA | 2 |
1 |
| Other owners | 1 |