- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 81/04 - Protective switches in which contacts are normally closed but are repeatedly opened and reclosed as long as a condition causing excess current persists, e.g. for current limiting electromagnetically-operated
Patent holdings for IPC class H01H 81/04
Total number of patents in this class: 11
10-year publication summary
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0
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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
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0
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2
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24064 |
2 |
| Gigavac LLC | 28 |
2 |
| DONGWOO Electric Corp. | 9 |
2 |
| ABB S.p.A. | 438 |
1 |
| Carling Technologies, Inc. | 99 |
1 |
| S & C Electric Co. | 281 |
1 |
| Schneider Electric USA, Inc. | 1338 |
1 |
| Eaton Intelligent Power Limited | 6222 |
1 |
| Other owners | 0 |