- 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 23/00 - Arrangements producing acoustic signals at preselected times
Patent holdings for IPC class G04B 23/00
Total number of patents in this class: 33
10-year publication summary
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5
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6
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4
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0
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1
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0
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1
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0
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0
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1
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| 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 |
7 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1434 |
3 |
| Hill-Rom Services, Inc. | 1115 |
3 |
| Glashütter Uhrenbetrieb GmbH | 79 |
2 |
| Google LLC | 38759 |
2 |
| Patek Philippe SA Geneve | 355 |
2 |
| Reuge S.A. | 3 |
2 |
| Koninklijke Philips N.V. | 22975 |
1 |
| Blancpain S.A. | 111 |
1 |
| DP Technologies, Inc. | 95 |
1 |
| Driving Management Systems, Inc. | 27 |
1 |
| Landis+Gyr Technologies, LLC | 114 |
1 |
| Lange Uhren GmbH | 118 |
1 |
| Manufacture Favre & Perret SA | 1 |
1 |
| Montres TUDOR SA | 115 |
1 |
| The Swatch Group Research and Development Ltd | 778 |
1 |
| Van Cleef & Arpels S.A. | 302 |
1 |
| Senver Pty Ltd | 3 |
1 |
| Celsius X VI II | 6 |
1 |
| Other owners | 0 |