- 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 19/20 - Indicating by numbered bands, drums, discs, or sheets
Patent holdings for IPC class G04B 19/20
Total number of patents in this class: 90
10-year publication summary
|
4
|
10
|
5
|
9
|
3
|
8
|
5
|
5
|
8
|
3
|
| 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 | 673 |
11 |
| Harry Winston SA | 951 |
6 |
| Manufacture D'horlogerie Audemars Piguet SA | 71 |
6 |
| Casio Computer Co., Ltd. | 3420 |
5 |
| Montres Breguet S.A. | 346 |
5 |
| Patek Philippe SA Geneve | 375 |
4 |
| Seiko Instruments Inc. | 505 |
3 |
| Blancpain S.A. | 118 |
3 |
| Omega SA | 212 |
3 |
| Preciflex SA | 57 |
3 |
| Richemont International SA | 2698 |
3 |
| Hewlett-Packard Development Company, L.P. | 25954 |
2 |
| Devon Works, LLC | 2 |
2 |
| Rolex S.A. | 660 |
2 |
| Chanel SARL | 282 |
2 |
| Télôs Watch SA | 4 |
2 |
| Chanel SA Genève | 2 |
2 |
| Samsung Electronics Co., Ltd. | 144143 |
1 |
| Seiko Epson Corporation | 19269 |
1 |
| Agenhor S.A. | 9 |
1 |
| Other owners | 23 |