- 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 19/24 - Clocks or watches with date indicators; Clockwork calendars
Patent holdings for IPC class G04B 19/24
Total number of patents in this class: 105
10-year publication summary
|
5
|
14
|
7
|
9
|
12
|
8
|
2
|
6
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18724 |
10 |
| ETA SA Manufacture Horlogere Suisse | 638 |
10 |
| Montres Breguet S.A. | 349 |
9 |
| Rolex S.A. | 606 |
8 |
| Casio Computer Co., Ltd. | 3343 |
5 |
| Glashütter Uhrenbetrieb GmbH | 79 |
5 |
| Patek Philippe SA Geneve | 355 |
5 |
| Blancpain S.A. | 111 |
4 |
| Omega SA | 197 |
4 |
| Malikie Innovations Limited | 7703 |
4 |
| Seiko Instruments Inc. | 660 |
3 |
| Richemont International SA | 1061 |
3 |
| The Swatch Group Research and Development Ltd | 778 |
3 |
| Apple Inc. | 50209 |
2 |
| Hewlett-Packard Development Company, L.P. | 28538 |
2 |
| Gfpi SA | 28 |
2 |
| Société anonyme de la Manufacture d'horlogerie Audemars Piguet & Cie | 12 |
2 |
| Sony Corporation | 32931 |
1 |
| International Business Machines Corporation | 60644 |
1 |
| Asustek Computer Inc. | 1792 |
1 |
| Other owners | 21 |