Current transformer
US-2021265110-A1 · Aug 26, 2021 · US
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Combined voltage and current transformers
Combined voltage and current transformers · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F38/34 |
| Official title | Combined voltage and current transformers |
| Display label | Combined voltage and current transformers |
| 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 |
|---|---|
| 2016 | 1 |
| 2020 | 1 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
VA metering in delta-wired electrical service
US-10830801-B2 · Nov 10, 2020 · US
Electrostatic shield for a transformer
US-9472337-B2 · Oct 18, 2016 · US