Multi-port energy storage system and control for laser power supply
US-2025330066-A1 · Oct 23, 2025 · US
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AC/AC converters
AC/AC converters · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K47/18 |
| Official title | AC/AC converters |
| Display label | AC/AC converters |
| Total patents | 3 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Energy transmission device
US-2016372991-A1 · Dec 22, 2016 · US
Connecting system for connection of an electric machine to a converter
US-9438094-B2 · Sep 6, 2016 · US