- 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 21/00 - Indicating the time by acoustic means
Patent holdings for IPC class G04B 21/00
Total number of patents in this class: 39
10-year publication summary
5
|
5
|
2
|
0
|
4
|
0
|
1
|
0
|
1
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Montres Breguet S.A. | 349 |
16 |
Omega SA | 197 |
4 |
Blancpain S.A. | 111 |
2 |
Richemont International SA | 1061 |
2 |
Samsung Electronics Co., Ltd. | 131630 |
1 |
Koninklijke Philips N.V. | 22975 |
1 |
Glashütter Uhrenbetrieb GmbH | 79 |
1 |
Micro-Star International Co., Ltd. | 22 |
1 |
Milus International S.A. | 27 |
1 |
Montres Jaquet Droz SA | 38 |
1 |
Montres TUDOR SA | 115 |
1 |
Patek Philippe SA Geneve | 355 |
1 |
Société anonyme de la Manufacture d'horlogerie Audemars Piguet & Cie | 12 |
1 |
The Swatch Group Research and Development Ltd | 778 |
1 |
Van Cleef & Arpels S.A. | 302 |
1 |
Tianjin Seagull Watch Co., Ltd. | 14 |
1 |
Celsius X VI II | 6 |
1 |
Current Lighting Solutions, LLC f/k/a GE Lighting Solutions, LLC | 417 |
1 |
Manufacture D'horlogerie Audemars Piguet SA | 48 |
1 |
Other owners | 0 |