Ceramic core, wire-wound electronic component, and method for producing ceramic core
US-2017330672-A1 · Nov 16, 2017 · US
Coil winding
Coil winding · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F41/06 |
| Official title | Coil winding |
| Display label | Coil winding |
| Total patents | 454 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 26 |
| 2017 | 38 |
| 2018 | 35 |
| 2019 | 50 |
| 2020 | 48 |
| 2021 | 51 |
| 2022 | 39 |
| 2023 | 58 |
| 2024 | 42 |
| 2025 | 30 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Core case unit, coil component, and method for producing coil component
US-2017154723-A1 · Jun 1, 2017 · US
Solenoid inductor
US-2017133148-A1 · May 11, 2017 · US
3d multipath inductor
US-2017084390-A1 · Mar 23, 2017 · US
Transformer, method for manufacturing transformer and chip
US-9543073-B2 · Jan 10, 2017 · US
Apparatus and Methods for Magnetic Core Inductors with Biased Permeability
US-2016372251-A1 · Dec 22, 2016 · US
Induction component
US-9484143-B2 · Nov 1, 2016 · US
Method for producing a subassembly and subassembly
US-9482304-B2 · Nov 1, 2016 · US
Subassembly with a dividing body and a magnetic field generating device
US-2016298715-A1 · Oct 13, 2016 · US
Coil device and method for manufacturing the same
US-2016293317-A1 · Oct 6, 2016 · US
Transformer, method for manufacturing transformer and chip
US-2016276098-A1 · Sep 22, 2016 · US
Transformer based lctank structure
US-2016260537-A1 · Sep 8, 2016 · US
Embedded magnetic component device
US-2016254089-A1 · Sep 1, 2016 · US
Embedded magnetic component device
US-2016254091-A1 · Sep 1, 2016 · US
Inductor and method of manufacturing the same
US-9431166-B2 · Aug 30, 2016 · US
Dry-type transformer and method of manufacturing a dry-type transformer
US-9424974-B2 · Aug 23, 2016 · US
Resolver and method of manufacturing the same
US-9412516-B2 · Aug 9, 2016 · US
Methods and apparatus for a modular coil holder for an extended wireless charging roadway assembly
US-2016218534-A1 · Jul 28, 2016 · US
Magnetic composition and inductor including the same
US-2016217902-A1 · Jul 28, 2016 · US
Low electron temperature, edge-density enhanced, surface-wave plasma (swp) processing method and apparatus
US-2016212833-A1 · Jul 21, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F41/06?
- CPC H01F41/06 is the Cooperative Patent Classification code for “Coil winding.”
- How many patents are filed under CPC H01F41/06 (Coil winding)?
- Our database includes 454 publications tagged with this CPC code.
- Is patent activity under CPC H01F41/06 growing?
- Publication counts under this code: 42 in 2024 vs 30 in 2025 (latest complete years).