- 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: 92
10-year publication summary
|
4
|
10
|
5
|
9
|
3
|
8
|
5
|
5
|
8
|
2
|
| 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 | 668 |
12 |
| Harry Winston SA | 922 |
6 |
| Manufacture D'horlogerie Audemars Piguet SA | 65 |
6 |
| Casio Computer Co., Ltd. | 3374 |
5 |
| Montres Breguet S.A. | 344 |
4 |
| Patek Philippe SA Geneve | 370 |
4 |
| Richemont International SA | 2637 |
4 |
| Seiko Instruments Inc. | 516 |
3 |
| Blancpain S.A. | 114 |
3 |
| Omega SA | 207 |
3 |
| Preciflex SA | 56 |
3 |
| Hewlett-Packard Development Company, L.P. | 27447 |
2 |
| Devon Works, LLC | 2 |
2 |
| Lange Uhren GmbH | 118 |
2 |
| Rolex S.A. | 647 |
2 |
| Chanel SARL | 273 |
2 |
| Télôs Watch SA | 4 |
2 |
| Chanel SA Genève | 2 |
2 |
| Samsung Electronics Co., Ltd. | 139302 |
1 |
| Seiko Epson Corporation | 19005 |
1 |
| Other owners | 23 |