- 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 21/02 - Regular striking mechanisms giving the full hour, half hour, or quarter hour
Patent holdings for IPC class G04B 21/02
Total number of patents in this class: 22
10-year publication summary
2
|
1
|
2
|
5
|
0
|
0
|
0
|
0
|
2
|
2
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Blancpain S.A. | 117 |
4 |
Montres Breguet S.A. | 350 |
4 |
Patek Philippe SA Geneve | 377 |
2 |
Société anonyme de la Manufacture d'horlogerie Audemars Piguet & Cie | 12 |
2 |
Greubel Forsey S.A. | 39 |
2 |
Seiko Epson Corporation | 19352 |
1 |
Bulgari Horlogerie SA | 50 |
1 |
Chopard Technologies SA | 15 |
1 |
Glashuetter Uhrenbetrieb GmbH | 6 |
1 |
Lange Uhren GmbH | 113 |
1 |
Touchdome LLC | 1 |
1 |
Current Lighting Solutions, LLC f/k/a GE Lighting Solutions, LLC | 396 |
1 |
Manufacture D'horlogerie Audemars Piguet SA | 73 |
1 |
Other owners | 0 |