Techniques for distributing forces in high field magnets and related systems and methods
US-12555711-B2 · Feb 17, 2026 · US
Winding flat coils
Winding flat coils · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F41/074 |
| Official title | Winding flat coils |
| Display label | Winding flat coils |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 8 |
| 2021 | 7 |
| 2022 | 2 |
| 2023 | 8 |
| 2024 | 8 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Manufacturing methods of a planar transformer
US-12548706-B2 · Feb 10, 2026 · US
Device having a multimode antenna with variable width of conductive wire
US-12537132-B2 · Jan 27, 2026 · US
Magnetic core winder for powerline-mounted devices
US-12500032-B2 · Dec 16, 2025 · US
Methods for manufacturing saddle coils
US-12354789-B1 · Jul 8, 2025 · US
Device Having a Multimode Antenna With Variable Width of Conductive Wire
US-2025182961-A1 · Jun 5, 2025 · US
Manufacturing method of flexible charging pad
US-12272985-B2 · Apr 8, 2025 · US
Flipping coil for wireless power transfer
US-2025079069-A1 · Mar 6, 2025 · US
Winding method for hts coil
US-2025022642-A1 · Jan 16, 2025 · US
Device having a multimode antenna with variable width of conductive wire
US-12136514-B2 · Nov 5, 2024 · US
Device Having a Multimode Antenna With Variable Width of Conductive Wire
US-2024282514-A1 · Aug 22, 2024 · US
Manufacturing method of flexible charging pad
US-2024258821-A1 · Aug 1, 2024 · US
Wireless charging cable, coil structure and producing method thereof, and wireless charging device
US-2024242882-A1 · Jul 18, 2024 · US
Winding apparatus and antenna coil manufactured thereby
US-2024186063-A1 · Jun 6, 2024 · US
Flexible charging pad and manufacturing method thereof
US-11990787-B2 · May 21, 2024 · US
Magnetic core winder for powerline-mounted devices
US-2024153700-A1 · May 9, 2024 · US
Power transformer and windings
US-2024153701-A1 · May 9, 2024 · US
Spiral core current transformer for energy harvesting applications
US-2023307177-A1 · Sep 28, 2023 · US
Device having a multimode antenna with variable width of conductive wire
US-11769629-B2 · Sep 26, 2023 · US
Transformer, and method for manufacturing transformer
US-2023268116-A1 · Aug 24, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F41/074?
- CPC H01F41/074 is the Cooperative Patent Classification code for “Winding flat coils.”
- How many patents are filed under CPC H01F41/074 (Winding flat coils)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC H01F41/074 growing?
- Publication counts under this code: 8 in 2024 vs 6 in 2025 (latest complete years).