- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 33/77 - Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid wherein arc-extinguishing gas is evolved from stationary partsSelection of material therefor wherein the break is in air at atmospheric pressure
Patent holdings for IPC class H01H 33/77
Total number of patents in this class: 3
10-year publication summary
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
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|---|---|---|
| ABB Technology AG | 1236 |
3 |
| Other owners | 0 |