- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 7/05 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers for capacitive voltage transformers, e.g. against resonant conditions
Patent holdings for IPC class H02H 7/05
Total number of patents in this class: 10
10-year publication summary
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0
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0
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1
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0
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1
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0
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0
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1
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1
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qujing Power Supply Bureau of Yunnan Power Grid Co., Ltd | 6 |
2 |
| Halliburton Energy Services, Inc. | 20449 |
1 |
| Alstom Technology Ltd | 1145 |
1 |
| Tsinghua University | 5708 |
1 |
| ABB Technology AG | 1270 |
1 |
| Schneider Electric Energy UK Ltd. | 14 |
1 |
| Schweitzer Engineering Laboratories, Inc. | 920 |
1 |
| HewTech Electronics, LLC | 4 |
1 |
| ABB Sp. z o. o. | 5 |
1 |
| Other owners | 0 |