- 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 1/12 - Driving mechanisms with mainspring with several mainsprings
Patent holdings for IPC class G04B 1/12
Total number of patents in this class: 30
10-year publication summary
|
2
|
2
|
2
|
6
|
2
|
3
|
2
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Patek Philippe SA Geneve | 355 |
9 |
| CompliTime SA | 54 |
3 |
| ETA SA Manufacture Horlogere Suisse | 638 |
3 |
| LG Electronics Inc. | 69257 |
2 |
| Sowind SA | 63 |
2 |
| Seiko Epson Corporation | 18724 |
1 |
| BAE SYSTEMS plc | 2215 |
1 |
| Cartier Creation Studio SA | 19 |
1 |
| Cartier International AG | 1140 |
1 |
| eterna AG Uhrenfabrik | 6 |
1 |
| Gfpi SA | 28 |
1 |
| Glashütter Uhrenbetrieb GmbH | 79 |
1 |
| Montres Jaquet Droz SA | 38 |
1 |
| Parmigiani Fleurier SA | 78 |
1 |
| Preciflex SA | 53 |
1 |
| The Swatch Group Research and Development Ltd | 778 |
1 |
| Other owners | 0 |