- 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 23/00 - Arrangements producing acoustic signals at preselected times
Patent holdings for IPC class G04B 23/00
Total number of patents in this class: 31
10-year publication summary
|
4
|
0
|
1
|
0
|
1
|
0
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0
|
2
|
0
|
1
|
| 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 |
7 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1608 |
3 |
| Google LLC | 44482 |
2 |
| Hill-Rom Services, Inc. | 1166 |
2 |
| Patek Philippe SA Geneve | 413 |
2 |
| Reuge S.A. | 3 |
2 |
| Koninklijke Philips N.V. | 25832 |
1 |
| Blancpain S.A. | 127 |
1 |
| DP Technologies, Inc. | 101 |
1 |
| Driving Management Systems, Inc. | 26 |
1 |
| Goertek Inc. | 2820 |
1 |
| Landis+Gyr Technologies, LLC | 112 |
1 |
| Lange Uhren GmbH | 110 |
1 |
| Montres TUDOR SA | 132 |
1 |
| The Swatch Group Research and Development Ltd | 878 |
1 |
| Van Cleef & Arpels S.A. | 6 |
1 |
| Senver Pty Ltd | 3 |
1 |
| Celsius X VI II | 6 |
1 |
| Manufacture D'horlogerie Audemars Piguet SA | 91 |
1 |
| Other owners | 0 |