- 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: 162
10-year publication summary
|
6
|
8
|
21
|
10
|
18
|
13
|
21
|
13
|
4
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Montres Breguet S.A. | 361 |
28 |
| ETA SA Manufacture Horlogere Suisse | 706 |
22 |
| Blancpain S.A. | 127 |
14 |
| Casio Computer Co., Ltd. | 3503 |
8 |
| Rolex S.A. | 725 |
7 |
| The Swatch Group Research and Development Ltd | 879 |
7 |
| Seiko Epson Corporation | 20227 |
6 |
| Patek Philippe SA Geneve | 413 |
5 |
| citizen Watch Co., Ltd. | 1086 |
4 |
| CompliTime SA | 28 |
4 |
| Gfpi SA | 17 |
4 |
| Harry Winston SA | 1067 |
4 |
| Nogerah SA | 7 |
4 |
| Manufacture D'horlogerie Audemars Piguet SA | 91 |
4 |
| Lange Uhren GmbH | 110 |
3 |
| Breitling AG | 7 |
2 |
| Bulgari Horlogerie SA | 54 |
2 |
| Glashütter Uhrenbetrieb GmbH | 81 |
2 |
| La Montre Hermes S.A. | 57 |
2 |
| Seiko Watch Kabushiki Kaisha | 49 |
2 |
| Other owners | 28 |