- 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 19/02 - Back-gearing arrangements between gear train and hands
Patent holdings for IPC class G04B 19/02
Total number of patents in this class: 164
10-year publication summary
|
4
|
6
|
8
|
21
|
9
|
18
|
12
|
19
|
13
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Montres Breguet S.A. | 344 |
26 |
| ETA SA Manufacture Horlogere Suisse | 668 |
23 |
| Blancpain S.A. | 114 |
14 |
| Casio Computer Co., Ltd. | 3374 |
7 |
| Rolex S.A. | 647 |
7 |
| Seiko Epson Corporation | 19005 |
6 |
| The Swatch Group Research and Development Ltd | 813 |
6 |
| Patek Philippe SA Geneve | 370 |
5 |
| citizen Watch Co., Ltd. | 1070 |
4 |
| CompliTime SA | 36 |
4 |
| Gfpi SA | 17 |
4 |
| Harry Winston SA | 922 |
4 |
| Nogerah SA | 7 |
4 |
| Manufacture D'horlogerie Audemars Piguet SA | 65 |
4 |
| Lange Uhren GmbH | 118 |
3 |
| Breitling AG | 6 |
2 |
| Bulgari Horlogerie SA | 43 |
2 |
| Glashütter Uhrenbetrieb GmbH | 77 |
2 |
| La Montre Hermes S.A. | 58 |
2 |
| Richemont International SA | 2637 |
2 |
| Other owners | 33 |