- All sections
- H - Electricity
- H01T - Spark gapsovervoltage arresters using spark gapssparking plugscorona devicesgenerating ions to be introduced into non-enclosed gases
- H01T 4/18 - Arrangements for reducing height of stacked spark gaps
Patent holdings for IPC class H01T 4/18
Total number of patents in this class: 5
10-year publication summary
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1
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0
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0
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3
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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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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Phoenix Contact GmbH & Co. KG | 2284 |
3 |
| DEHN + SÖHNE GmbH + Co. KG | 121 |
1 |
| Otkrytoe Aktsionernoe Obschestvo "npo "streamer" | 6 |
1 |
| Other owners | 0 |