- 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 9/00 - Supervision of the state of winding, e.g. indicating the amount of winding
Patent holdings for IPC class G04B 9/00
Total number of patents in this class: 36
10-year publication summary
|
1
|
3
|
1
|
3
|
8
|
3
|
0
|
3
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Montres Breguet S.A. | 362 |
10 |
| ETA SA Manufacture Horlogere Suisse | 704 |
8 |
| Seiko Epson Corporation | 20406 |
3 |
| The Swatch Group Research and Development Ltd | 877 |
3 |
| Blancpain S.A. | 127 |
2 |
| Chronométrie Ferdinand Berthoud SA | 13 |
1 |
| Glashütter Uhrenbetrieb GmbH | 81 |
1 |
| Montres Jaquet Droz SA | 39 |
1 |
| Parmigiani Fleurier SA | 80 |
1 |
| Schwarz Etienne S.A. | 4 |
1 |
| Vaucher Manufacture Fleurier S.A. | 13 |
1 |
| Pylote | 17 |
1 |
| Montre Liquide AG | 3 |
1 |
| Manufacture D'horlogerie Audemars Piguet SA | 95 |
1 |
| Horologer Ming SA | 4 |
1 |
| Other owners | 0 |