- All sections
- H - Electricity
- H01H - Electric switches; relays; selectors; emergency protective devices
- H01H 21/56 - Lever switches with blade-type contact co-operating with one or two spring-clip contacts, e.g. knife switch, sectionalisers making contact in one position only
Patent holdings for IPC class H01H 21/56
Total number of patents in this class: 8
10-year publication summary
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1
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1
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1
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1
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0
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1
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0
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0
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schneider Electric USA, Inc. | 1267 |
3 |
| ABB Schweiz AG | 6632 |
2 |
| Tyco Electronics Canada ULC | 60 |
1 |
| General Electric Technology GmbH | 1599 |
1 |
| Alps Alpine Co., Ltd. | 1989 |
1 |
| Other owners | 0 |