- 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 39/02 - Sealing crystals or glasses
Patent holdings for IPC class G04B 39/02
Total number of patents in this class: 54
10-year publication summary
|
1
|
8
|
5
|
7
|
0
|
2
|
9
|
6
|
6
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apple Inc. | 50209 |
14 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| Casio Computer Co., Ltd. | 3343 |
4 |
| ETA SA Manufacture Horlogere Suisse | 638 |
4 |
| Omega SA | 197 |
4 |
| The Swatch Group Research and Development Ltd | 778 |
4 |
| Montres Rado S.A. | 14 |
2 |
| SCHOTT AG | 1675 |
2 |
| Levitation AG | 6 |
2 |
| SY & SE Sàrl | 2 |
2 |
| Seiko Epson Corporation | 18724 |
1 |
| Association Suisse pour la Recherche Horlogere | 9 |
1 |
| Blancpain S.A. | 111 |
1 |
| Bulgari Horlogerie SA | 57 |
1 |
| Cartier International AG | 1140 |
1 |
| Catalyst Lifestyle Limited | 143 |
1 |
| Comadur S.A. | 81 |
1 |
| Google LLC | 38759 |
1 |
| Hi-Tek Office S.r.l. | 21 |
1 |
| Rolex S.A. | 606 |
1 |
| Other owners | 2 |