Magnetic core structure and leakage inductance control method for magnetic integrated high-frequency transformer
US-2025391602-A1 · Dec 25, 2025 · US
This page is not indexed by search engines while we improve data quality.
Cascade transformers, e.g. for use with extra high tension
Cascade transformers, e.g. for use with extra high tension · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F38/16 |
| Official title | Cascade transformers, e.g. for use with extra high tension |
| Display label | Cascade transformers, e.g. for use with extra high tension |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Transformer cooling system
US-12394550-B2 · Aug 19, 2025 · US
Planar transformer, power module, and power supply module
US-2025157721-A1 · May 15, 2025 · US
Zero voltage switching circuit and converter comprising same
US-12261538-B2 · Mar 25, 2025 · US
Energy management system
US-2024283347-A1 · Aug 22, 2024 · US
Semiconductor device
US-2024203844-A1 · Jun 20, 2024 · US
Power Conversion Device
US-2024030824-A1 · Jan 25, 2024 · US
Zero voltage switching circuit and converter comprising same
US-2023291300-A1 · Sep 14, 2023 · US
Transformer assembly with medium frequency transformers
US-11480602-B2 · Oct 25, 2022 · US
Transformer cooling system
US-2022285068-A1 · Sep 8, 2022 · US
Transformer Assembly With Medium Frequency Transformers
US-2021018554-A1 · Jan 21, 2021 · US
Common mode noise restrainer applicable to ethernet
US-10026544-B2 · Jul 17, 2018 · US
Common mode noise restrainer applicable to Ethernet
US-2017063321-A1 · Mar 2, 2017 · US