- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 3/48 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to loss of synchronism
Patent holdings for IPC class H02H 3/48
Total number of patents in this class: 17
10-year publication summary
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1
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2
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0
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0
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0
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2
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0
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2
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0
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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
|
|---|---|---|
| S & C Electric Co. | 293 |
4 |
| ABB Technology AG | 1254 |
3 |
| Mitsubishi Electric Corporation | 46160 |
2 |
| BAE Systems Controls Inc. | 204 |
2 |
| San Diego Gas & Electric Company | 64 |
2 |
| Areva T&D UK Ltd | 25 |
2 |
| Caterpillar Inc. | 9558 |
1 |
| Hitachi Energy Ltd. | 2233 |
1 |
| Other owners | 0 |