- 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 19/23 - Arrangements for indicating different local apparent times; Universal 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: 34
10-year publication summary
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1
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3
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3
|
1
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2
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2
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2
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1
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6
|
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
|
|---|---|---|
| Blancpain S.A. | 111 |
5 |
| ETA SA Manufacture Horlogere Suisse | 638 |
4 |
| Gfpi SA | 28 |
3 |
| Casio Computer Co., Ltd. | 3343 |
2 |
| Frederic Piguet S.A. | 6 |
2 |
| Manufacture D'horlogerie Audemars Piguet SA | 48 |
2 |
| JPMorgan Chase Bank, National Association | 10964 |
1 |
| The British Masters SA | 5 |
1 |
| eterna AG Uhrenfabrik | 6 |
1 |
| Glashütter Uhrenbetrieb GmbH | 79 |
1 |
| Hi-Tek Office S.r.l. | 21 |
1 |
| Lange Uhren GmbH | 118 |
1 |
| Louis Vuitton Malletier | 864 |
1 |
| Manufacture Roger Dubuis S.A. | 6 |
1 |
| TAG Heuer SA | 9 |
1 |
| Ladoire SA | 1 |
1 |
| Chronode SA | 3 |
1 |
| Dalton Properties Inc | 5 |
1 |
| Guangdong Lemovt Intelligent Technology Co., Ltd. | 16 |
1 |
| Law Office of Jerry Joseph, plc | 3 |
1 |
| Other owners | 2 |