- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 7/12 - Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts with timing by mechanical speed-control devices by escapement mechanical
Patent holdings for IPC class H01H 7/12
Total number of patents in this class: 2
10-year publication summary
|
1
|
0
|
0
|
2
|
0
|
0
|
0
|
0
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0
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0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BYD Company Limited | 4341 |
1 |
| Fongda Electronic Co., Ltd. | 1 |
1 |
| Other owners | 0 |