- 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 17/20 - Compensation of mechanisms for stabilizing frequency
Patent holdings for IPC class G04B 17/20
Total number of patents in this class: 45
10-year publication summary
|
2
|
2
|
5
|
2
|
2
|
3
|
1
|
3
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Swatch Group Research and Development Ltd | 778 |
13 |
| Nivarox-FAR S.A. | 265 |
10 |
| ETA SA Manufacture Horlogere Suisse | 638 |
5 |
| Seiko Instruments Inc. | 660 |
3 |
| CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Developpement | 228 |
2 |
| Intersil Americas LLC | 462 |
2 |
| Asgalium Unitec SA | 3 |
1 |
| Hublot SA | 4 |
1 |
| Montres Breguet S.A. | 349 |
1 |
| Omega SA | 197 |
1 |
| Patek Philippe SA Geneve | 355 |
1 |
| Rolex S.A. | 606 |
1 |
| TAG Heuer SA | 9 |
1 |
| Team Smartfish GmbH | 4 |
1 |
| Firehouse Horology, Inc. | 1 |
1 |
| B&R Industrial Automation GmbH | 194 |
1 |
| Other owners | 0 |