- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 29/28 - Switches having at least one liquid contact with level of surface of contact liquid displaced by fluid pressure
Patent holdings for IPC class H01H 29/28
Total number of patents in this class: 9
10-year publication summary
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0
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0
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1
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2
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1
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0
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1
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1
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1
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Atomic Machines, Inc. | 27 |
3 |
| Texas Instruments Incorporated | 19672 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11123 |
1 |
| 9609385 Canada Inc. | 56 |
1 |
| Korea Institute of Industrial Technology | 1029 |
1 |
| Zonit Structured Solutions, LLC | 121 |
1 |
| Other owners | 0 |