- All sections
- H - Electricity
- H01H - Electric switches; relays; selectors; emergency protective devices
- H01H 33/73 - Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber wherein the break is in air at atmospheric pressure, e.g. in open air
Patent holdings for IPC class H01H 33/73
Total number of patents in this class: 10
10-year publication summary
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1
|
2
|
1
|
2
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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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1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Industry, Inc. | 1417 |
2 |
| S & C Electric Co. | 282 |
2 |
| Schneider Electric Industries SAS | 1376 |
2 |
| ABB Schweiz AG | 6321 |
1 |
| Chang Zhou Current Supply Company of Jiangsu Electric Power Company | 16 |
1 |
| Jiangsu Electric Power Company | 66 |
1 |
| State Grid Corporation of China | 1308 |
1 |
| Other owners | 0 |