- 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: 163
10-year publication summary
|
6
|
8
|
21
|
10
|
18
|
13
|
21
|
13
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Montres Breguet S.A. | 346 |
28 |
| ETA SA Manufacture Horlogere Suisse | 685 |
22 |
| Blancpain S.A. | 125 |
14 |
| Casio Computer Co., Ltd. | 3461 |
7 |
| Rolex S.A. | 700 |
7 |
| The Swatch Group Research and Development Ltd | 865 |
7 |
| Seiko Epson Corporation | 19809 |
6 |
| Patek Philippe SA Geneve | 384 |
5 |
| citizen Watch Co., Ltd. | 1080 |
4 |
| CompliTime SA | 28 |
4 |
| Gfpi SA | 17 |
4 |
| Harry Winston SA | 1019 |
4 |
| Nogerah SA | 7 |
4 |
| Manufacture D'horlogerie Audemars Piguet SA | 79 |
4 |
| Lange Uhren GmbH | 112 |
3 |
| Breitling AG | 7 |
2 |
| Bulgari Horlogerie SA | 51 |
2 |
| Glashütter Uhrenbetrieb GmbH | 81 |
2 |
| La Montre Hermes S.A. | 58 |
2 |
| Seiko Watch Kabushiki Kaisha | 48 |
2 |
| Other owners | 30 |