Shunt wound DC motor driving device and electrical equipment
US-11394278-B2 · Jul 19, 2022 · US
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having shunt connection of excitation windings
having shunt connection of excitation windings · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K23/06 |
| Official title | having shunt connection of excitation windings |
| Display label | having shunt connection of excitation windings |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2021 | 3 |
| 2022 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
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Direct current motor
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Direct current motor
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