- 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 19/23 - Arrangements for indicating different local apparent timesUniversal time-pieces by means of additional hands or additional pairs of hands
Patent holdings for IPC class G04B 19/23
Total number of patents in this class: 30
10-year publication summary
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3
|
3
|
1
|
2
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2
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2
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1
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6
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1
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Blancpain S.A. | 117 |
5 |
| Casio Computer Co., Ltd. | 3430 |
3 |
| ETA SA Manufacture Horlogere Suisse | 681 |
3 |
| Manufacture D'horlogerie Audemars Piguet SA | 73 |
3 |
| Gfpi SA | 17 |
2 |
| Greubel Forsey S.A. | 39 |
2 |
| JPMorgan Chase Bank, National Association | 8558 |
1 |
| eterna AG Uhrenfabrik | 5 |
1 |
| Glashütter Uhrenbetrieb GmbH | 82 |
1 |
| Hi-Tek Office S.r.l. | 21 |
1 |
| Parmigiani Fleurier SA | 77 |
1 |
| TAG Heuer SA | 5 |
1 |
| Ladoire SA | 1 |
1 |
| Chronode SA | 3 |
1 |
| Guangdong Lemovt Intelligent Technology Co., Ltd. | 16 |
1 |
| Law Office of Jerry Joseph, plc | 3 |
1 |
| MARCHIGNOLI, Marisa | 5 |
1 |
| Alfajr Trading Est | 2 |
1 |
| Other owners | 0 |