- 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 19/20 - Indicating by numbered bands, drums, discs, or sheets
Patent holdings for IPC class G04B 19/20
Total number of patents in this class: 95
10-year publication summary
|
7
|
4
|
10
|
5
|
9
|
3
|
8
|
5
|
5
|
0
|
| 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 |
12 |
| Harry Winston SA | 817 |
6 |
| Casio Computer Co., Ltd. | 3343 |
4 |
| Seiko Instruments Inc. | 660 |
4 |
| Montres Breguet S.A. | 349 |
4 |
| Omega SA | 197 |
4 |
| Patek Philippe SA Geneve | 355 |
4 |
| Blancpain S.A. | 111 |
3 |
| Devon Works, LLC | 4 |
3 |
| Preciflex SA | 53 |
3 |
| Richemont International SA | 1061 |
3 |
| Rolex S.A. | 606 |
3 |
| Hewlett-Packard Development Company, L.P. | 28538 |
2 |
| Lange Uhren GmbH | 118 |
2 |
| Chanel SARL | 261 |
2 |
| Télôs Watch SA | 4 |
2 |
| Chanel SA Genève | 2 |
2 |
| Manufacture D'horlogerie Audemars Piguet SA | 48 |
2 |
| Dalton Properties Inc | 5 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Other owners | 27 |