- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 38/34 - Combined voltage and current transformers
Patent holdings for IPC class H01F 38/34
Total number of patents in this class: 10
10-year publication summary
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0
|
1
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2
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1
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0
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0
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0
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0
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0
|
1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ABB Schweiz AG | 6887 |
2 |
| Siemens AG | 24561 |
1 |
| Eaton Corporation | 1820 |
1 |
| ABB Technology AG | 1256 |
1 |
| Electric Power Research Institute, Inc. | 212 |
1 |
| Landis+Gyr Technology, Inc. | 442 |
1 |
| Joint Stock Company "profotech" | 1 |
1 |
| Limited Liability Company "scientific and Production Center Profotech" | 1 |
1 |
| TBEA KONCAR (Shenyang) Instrument Transformer Co., Ltd. | 2 |
1 |
| Other owners | 0 |