Direct current fast charger system with low standby power
US-2025326305-A1 · Oct 23, 2025 · US
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using electrolytic rectifiers
using electrolytic rectifiers · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02M7/28 |
| Official title | using electrolytic rectifiers |
| Display label | using electrolytic rectifiers |
| Total patents | 10 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2023 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Direct current fast charger system with low standby power
US-12365255-B2 · Jul 22, 2025 · US
Three-phase power supply conversion circuit for household appliance, household appliance, and power-on control method
US-2025132663-A1 · Apr 24, 2025 · US
Direct current fast charger system with low standby power
US-2023182586-A1 · Jun 15, 2023 · US
Hydrogen production apparatus and hydrogen production system
US-11162181-B2 · Nov 2, 2021 · US
Hydrogen production apparatus and hydrogen production system
US-2020173047-A1 · Jun 4, 2020 · US
Hydrogen production apparatus and hydrogen production system
US-10590552-B2 · Mar 17, 2020 · US
Three-phase/single-phase alternating-current power supply compatible electrically driven hoisting machine
US-10566894-B2 · Feb 18, 2020 · US
Three-phase/single-phase alternating-current power supply compatible electrically driven hoisting machine
US-2019319529-A1 · Oct 17, 2019 · US
Hydrogen production apparatus and hydrogen production system
US-2018202053-A1 · Jul 19, 2018 · US