Electronic component
US-10872720-B2 · Dec 22, 2020 · US
helical coil made of flat wire, e.g. with smaller extension of wire cross section in the direction of the longitudinal axis
helical coil made of flat wire, e.g. with smaller extension of wire cross section in the direction of the longitudinal axis · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F2017/046 |
| Official title | {helical coil made of flat wire, e.g. with smaller extension of wire cross section in the direction of the longitudinal axis} |
| Display label | helical coil made of flat wire, e.g. with smaller extension of wire cross section in the direction of the longitudinal axis |
| Total patents | 137 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 7 |
| 2017 | 7 |
| 2018 | 17 |
| 2019 | 16 |
| 2020 | 30 |
| 2021 | 10 |
| 2022 | 18 |
| 2023 | 19 |
| 2024 | 6 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coil component
US-10867744-B2 · Dec 15, 2020 · US
Inductor apparatus optimized for low power loss in class-d audio amplifier applications and method for making the same
US-2020388428-A1 · Dec 10, 2020 · US
Inductor apparatus optimized for low power loss in class-d audio amplifier applications and method for making the same
US-2020388435-A1 · Dec 10, 2020 · US
Inductor
US-2020388429-A1 · Dec 10, 2020 · US
Inductor apparatus optimized for low power loss in class-d audio amplifier applications and method for making the same
US-2020388427-A1 · Dec 10, 2020 · US
Coil component
US-10811179-B2 · Oct 20, 2020 · US
Coil component and electronic device
US-10755849-B2 · Aug 25, 2020 · US
Coil Component
US-2020219651-A1 · Jul 9, 2020 · US
Circuit assembly
US-2020194160-A1 · Jun 18, 2020 · US
Surface-mounted reactor and manufacturing method therefor
US-10600552-B2 · Mar 24, 2020 · US
Coil component and electronic device
US-2020075226-A1 · Mar 5, 2020 · US
Coil component
US-2019392973-A1 · Dec 26, 2019 · US
Electronic component
US-2019392977-A1 · Dec 26, 2019 · US
Magnetic part and electronic apparatus
US-2019355507-A1 · Nov 21, 2019 · US
Coil component
US-2019333685-A1 · Oct 31, 2019 · US
Coil component
US-2019333690-A1 · Oct 31, 2019 · US
Electronic component
US-10446313-B2 · Oct 15, 2019 · US
Coil component, electronic equipment, metallic magnetic powder and support apparatus
US-2019304660-A1 · Oct 3, 2019 · US
Inductance element
US-2019244745-A1 · Aug 8, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F2017/046?
- CPC H01F2017/046 is the Cooperative Patent Classification code for “helical coil made of flat wire, e.g. with smaller extension of wire cross section in the direction of the longitudinal axis.”
- How many patents are filed under CPC H01F2017/046 (helical coil made of flat wire, e.g. with smaller extension of wire cross section in the direction of the longitudinal axis)?
- Our database includes 137 publications tagged with this CPC code.
- Is patent activity under CPC H01F2017/046 growing?
- Publication counts under this code: 6 in 2024 vs 4 in 2025 (latest complete years).