Direct-acting electromagnetic trip device
US-11011336-B2 · May 18, 2021 · US
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having two or more armatures controlled by a common winding
having two or more armatures controlled by a common winding · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H71/34 |
| Official title | having two or more armatures controlled by a common winding |
| Display label | having two or more armatures controlled by a common winding |
| Total patents | 3 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2019 | 1 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Direct-acting electromagnetic trip device
US-2019189380-A1 · Jun 20, 2019 · US
Switching-device tripping apparatus
US-9548175-B2 · Jan 17, 2017 · US