- 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 1/22 - Compensation of changes in the motive power of the mainspring
Patent holdings for IPC class G04B 1/22
Total number of patents in this class: 38
10-year publication summary
|
6
|
8
|
3
|
2
|
3
|
0
|
1
|
1
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Patek Philippe SA Geneve | 415 |
8 |
| Montres Breguet S.A. | 361 |
4 |
| Greubel Forsey S.A. | 40 |
4 |
| Seiko Watch Corporation | 111 |
3 |
| CompliTime SA | 28 |
2 |
| Nivarox-FAR S.A. | 287 |
2 |
| Agenhor S.A. | 8 |
1 |
| Chronométrie Ferdinand Berthoud SA | 13 |
1 |
| citizen Watch Co., Ltd. | 1088 |
1 |
| ETA SA Manufacture Horlogere Suisse | 703 |
1 |
| eterna AG Uhrenfabrik | 5 |
1 |
| Glashütter Uhrenbetrieb GmbH | 81 |
1 |
| Haute Ecole ARC | 16 |
1 |
| LVMH Swiss manufactures SA | 270 |
1 |
| Preciflex SA | 63 |
1 |
| Rolex S.A. | 727 |
1 |
| The Swatch Group Research and Development Ltd | 877 |
1 |
| Montre Liquide AG | 3 |
1 |
| La Fabrique du Temps SA | 3 |
1 |
| Girard-Perregaux S.A. | 2 |
1 |
| Other owners | 1 |