- All sections
- H - Electricity
- H01H - Electric switches; relays; selectors; emergency protective devices
- H01H 33/86 - Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid under pressure from the contact space being controlled by a valve
Patent holdings for IPC class H01H 33/86
Total number of patents in this class: 12
10-year publication summary
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0
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2
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2
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0
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2
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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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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Energy Ltd. | 2232 |
4 |
| General Electric Technology GmbH | 1599 |
2 |
| Siemens Energy Global GmbH & Co. KG | 2829 |
2 |
| Mitsubishi Electric Corporation | 44851 |
1 |
| Siemens Industry, Inc. | 1430 |
1 |
| Omicron Electronics GmbH | 264 |
1 |
| Schneider Electric Industries SAS | 1442 |
1 |
| Other owners | 0 |