- 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 1/18 - Constructions for connecting the ends of mainsprings with the barrel or the arbor
Patent holdings for IPC class G04B 1/18
Total number of patents in this class: 33
10-year publication summary
|
8
|
4
|
2
|
3
|
2
|
1
|
1
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ETA SA Manufacture Horlogere Suisse | 638 |
14 |
| Rolex S.A. | 606 |
5 |
| Patek Philippe SA Geneve | 355 |
4 |
| Nivarox-FAR S.A. | 265 |
3 |
| Montres Breguet S.A. | 349 |
2 |
| Seiko Epson Corporation | 18724 |
1 |
| Association Suisse pour La Recherche Horlogere (asrh) | 4 |
1 |
| Blancpain S.A. | 111 |
1 |
| Cartier International AG | 1140 |
1 |
| Sowind SA | 63 |
1 |
| Other owners | 0 |