- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 33/98 - Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being initiated by an auxiliary arc or a section of the arc, without any moving parts for producing or increasing the flow
Patent holdings for IPC class H01H 33/98
Total number of patents in this class: 12
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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1
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0
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1
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2
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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
|
|---|---|---|
| ABB Research Ltd. | 796 |
3 |
| Siemens AG | 24033 |
1 |
| Mitsubishi Electric Corporation | 47971 |
1 |
| Alstom Technology Ltd | 1045 |
1 |
| Siemens Industry, Inc. | 1587 |
1 |
| General Electric Technology GmbH | 1336 |
1 |
| Rwth Aachen | 84 |
1 |
| Siemens Energy Global GmbH & Co. KG | 3335 |
1 |
| Keya Medical Technology Co., Ltd. | 17 |
1 |
| Hitachi Energy Ltd. | 2568 |
1 |
| Other owners | 0 |