- 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 1/12 - Driving mechanisms with mainspring with several mainsprings
Patent holdings for IPC class G04B 1/12
Total number of patents in this class: 28
10-year publication summary
|
2
|
2
|
6
|
2
|
3
|
2
|
1
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Patek Philippe SA Geneve | 377 |
9 |
| CompliTime SA | 36 |
3 |
| ETA SA Manufacture Horlogere Suisse | 682 |
3 |
| Sowind SA | 62 |
2 |
| LG Electronics Inc. | 73021 |
1 |
| Seiko Epson Corporation | 19352 |
1 |
| BAE SYSTEMS plc | 2338 |
1 |
| Cartier Creation Studio SA | 16 |
1 |
| eterna AG Uhrenfabrik | 5 |
1 |
| Gfpi SA | 17 |
1 |
| Montres Jaquet Droz SA | 39 |
1 |
| Parmigiani Fleurier SA | 77 |
1 |
| Preciflex SA | 57 |
1 |
| The Swatch Group Research and Development Ltd | 861 |
1 |
| SwissMeo SA | 3 |
1 |
| Other owners | 0 |