- All sections
- G - Physics
- G04C - Electromechanical clocks or watches
- G04C 21/00 - Producing acoustic time signals by electrical means
Patent holdings for IPC class G04C 21/00
Total number of patents in this class: 8
10-year publication summary
|
3
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 153093 |
3 |
| Apple Inc. | 57989 |
1 |
| Koninklijke Philips N.V. | 25511 |
1 |
| Harry Winston SA | 1030 |
1 |
| The Swatch Group Research and Development Ltd | 869 |
1 |
| Senver Holdings, Pty Ltd. | 5 |
1 |
| Other owners | 0 |