- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 83/18 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by abnormal product of, or abnormal phase angle between, voltage and current, e.g. directional relay
Patent holdings for IPC class H01H 83/18
Total number of patents in this class: 18
10-year publication summary
|
2
|
2
|
0
|
1
|
2
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0
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0
|
1
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0
|
1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aclara Technologies LLC | 259 |
2 |
| Honda Motor Co., Ltd. | 25780 |
1 |
| Xerox Corporation | 6983 |
1 |
| Fujitsu Limited | 17684 |
1 |
| Denso Corporation | 24562 |
1 |
| Kyocera Corporation | 13988 |
1 |
| Asustek Computer Inc. | 1837 |
1 |
| Battelle Memorial Institute | 2485 |
1 |
| Emerson Electric Co. | 540 |
1 |
| Monolithic Power Systems, Inc. | 394 |
1 |
| Reliance Controls Corporation | 82 |
1 |
| Schweitzer Engineering Laboratories, Inc. | 914 |
1 |
| Savant Technologies, LLC | 312 |
1 |
| Tozztech Co., Ltd. | 2 |
1 |
| Thales DIS France SA | 1011 |
1 |
| Hitachi Energy Ltd. | 2305 |
1 |
| Discovery Energy, LLC | 381 |
1 |
| Other owners | 0 |