- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 33/30 - Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
Patent holdings for IPC class H01H 33/30
Total number of patents in this class: 24
10-year publication summary
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0
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3
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0
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3
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0
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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
|
|---|---|---|
| Toshiba Corporation | 12726 |
6 |
| Siemens AG | 23956 |
4 |
| Hitachi Energy Ltd. | 2642 |
4 |
| ABB Oy | 166 |
2 |
| Alstom Technology Ltd | 1033 |
1 |
| ABB Schweiz AG | 7724 |
1 |
| ABB Technology AG | 1218 |
1 |
| Sensata Technologies Massachusetts, Inc. | 10 |
1 |
| Hyosung Heavy Industries Corporation | 283 |
1 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6170 |
1 |
| Applied Superconductor Ltd | 2 |
1 |
| GE Vernova Infrastructure Technology LLC | 548 |
1 |
| Other owners | 0 |