Isolated switchmode power supplies having quasi-planar transformers
US-11881348-B2 · Jan 23, 2024 · US
Other insulating structures; Insulating between coil and core, between different winding sections, around the coil
Other insulating structures; Insulating between coil and core, between different winding sections, around the coil · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F41/125 |
| Official title | {Other insulating structures; Insulating between coil and core, between different winding sections, around the coil} |
| Display label | Other insulating structures; Insulating between coil and core, between different winding sections, around the coil |
| Total patents | 230 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 12 |
| 2017 | 12 |
| 2018 | 19 |
| 2019 | 27 |
| 2020 | 31 |
| 2021 | 24 |
| 2022 | 31 |
| 2023 | 23 |
| 2024 | 23 |
| 2025 | 17 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat transfer in magnetic assemblies
US-10510485-B2 · Dec 17, 2019 · US
Inductor
US-2019371513-A1 · Dec 5, 2019 · US
Inductor
US-2019333688-A1 · Oct 31, 2019 · US
Coil component and method of manufacturing the same
US-2019311830-A1 · Oct 10, 2019 · US
Inductor and method of manufacturing the same
US-2019295763-A1 · Sep 26, 2019 · US
Wire wound inductor and manufacturing method thereof
US-2019198235-A1 · Jun 27, 2019 · US
Coil electronic component
US-2019164689-A1 · May 30, 2019 · US
Isolating element for a toroidal core inductor, and toroidal core inductor
US-10276299-B2 · Apr 30, 2019 · US
Ceramic insulated transformer
US-10262784-B2 · Apr 16, 2019 · US
Vertical Winding Assembly
US-2019035532-A1 · Jan 31, 2019 · US
Coil component
US-2018350508-A1 · Dec 6, 2018 · US
Coil sheet production method, and coil production method
US-10121590-B2 · Nov 6, 2018 · US
Coil electronic component
US-2018261377-A1 · Sep 13, 2018 · US
Coil component
US-10074473-B2 · Sep 11, 2018 · US
Inductor and method for manufacturing the same
US-2018197672-A1 · Jul 12, 2018 · US
Ceramic insulated transformer
US-2018197669-A1 · Jul 12, 2018 · US
Bobbin construction and coil winding method
US-2018174749-A1 · Jun 21, 2018 · US
Embedded magnetic component transformer device
US-10002703-B2 · Jun 19, 2018 · US
Transformer
US-2018158597-A1 · Jun 7, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F41/125?
- CPC H01F41/125 is the Cooperative Patent Classification code for “Other insulating structures; Insulating between coil and core, between different winding sections, around the coil.”
- How many patents are filed under CPC H01F41/125 (Other insulating structures; Insulating between coil and core, between different winding sections, around the coil)?
- Our database includes 230 publications tagged with this CPC code.
- Is patent activity under CPC H01F41/125 growing?
- Publication counts under this code: 23 in 2024 vs 17 in 2025 (latest complete years).