Resonant transformers with calibratable flux-shunt
US-2024387096-A1 · Nov 21, 2024 · US
Flyback transformers
Flyback 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 | H01F38/42 |
| Official title | Flyback transformers |
| Display label | Flyback transformers |
| Total patents | 72 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 6 |
| 2018 | 10 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 9 |
| 2023 | 16 |
| 2024 | 8 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Energy Extraction From The Parasitic Elements In Power Converters
US-2024250602-A1 · Jul 25, 2024 · US
Device for suppressing potential induced degradation and system
US-11973349-B2 · Apr 30, 2024 · US
Energy extraction from the parasitic elements in power converters
US-11929665-B2 · Mar 12, 2024 · US
Server farm power management system
US-2024028102-A1 · Jan 25, 2024 · US
Inductor coils and transformer coils with optimal high energy storage locations
US-2023418359-A1 · Dec 28, 2023 · US
Hybrid computer module element x-(cross)-point memory
US-2023418358-A1 · Dec 28, 2023 · US
High energy density electroceramic material with embedded dielectric discontinuities
US-2023418360-A1 · Dec 28, 2023 · US
Energy Injection In A Resonant Circuit With Initial Conditions
US-2023402912-A1 · Dec 14, 2023 · US
Quasi-planar transformer construction
US-2023368962-A1 · Nov 16, 2023 · US
Transformer with integrated inductor
US-2023368968-A1 · Nov 16, 2023 · US
Quasi-planar transformer construction
US-2023368961-A1 · Nov 16, 2023 · US
Server farm with at least one hybrid computing module operating at clock speed optimally matching intrinsic clock speed of a related semiconductor die related thereto
US-2023367384-A1 · Nov 16, 2023 · US
Fully integrated gyrator with a high speed stack and networks of server farms and telecommunication modes incorporating the gyrator
US-2023341920-A1 · Oct 26, 2023 · US
Flyback converters with improved magnetic configurations
US-11728740-B2 · Aug 15, 2023 · US
Energy injection in a resonant circuit with initial conditions
US-11728723-B2 · Aug 15, 2023 · US
GaN-BASED SWITCHED-MODE POWER SUPPLY WITH PLANAR TRANSFORMER
US-2023246553-A1 · Aug 3, 2023 · US
Differential transformer based voltage converter and method thereof
US-2023207188-A1 · Jun 29, 2023 · US
High speed / low power server farms and server networks
US-11681348-B2 · Jun 20, 2023 · US
Electronic device
US-11616394-B2 · Mar 28, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F38/42?
- CPC H01F38/42 is the Cooperative Patent Classification code for “Flyback transformers.”
- How many patents are filed under CPC H01F38/42 (Flyback transformers)?
- Our database includes 72 publications tagged with this CPC code.
- Is patent activity under CPC H01F38/42 growing?
- Publication counts under this code: 8 in 2024 vs 6 in 2025 (latest complete years).