Electrical switching device and method for switching thereof with contact separation in the event of protection
US-9666397-B2 · May 30, 2017 · US
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retained closed by permanent or remanent magnetism and opened by windings acting in opposition
retained closed by permanent or remanent magnetism and opened by windings acting in opposition · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H77/08 |
| Official title | retained closed by permanent or remanent magnetism and opened by windings acting in opposition |
| Display label | retained closed by permanent or remanent magnetism and opened by windings acting in opposition |
| Total patents | 2 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.