- All sections
- H - Electricity
- H04B - Transmission
- H04B 5/28 - Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission techniqueNear-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission medium using the near field of leaky cables, e.g. of leaky coaxial cables
Patent holdings for IPC class H04B 5/28
Total number of patents in this class: 4
10-year publication summary
|
0
|
0
|
0
|
0
|
0
|
2
|
0
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Swisscom AG | 50 |
1 |
| Welldata (Subsurface Surveillance Systems) Ltd. | 8 |
1 |
| Siemens Gamesa Renewable Energy A/S | 1916 |
1 |
| Agc, Inc. | 5110 |
1 |
| Other owners | 0 |