Self-propelled self-referencing vehicle magnet winding method and system
US-11211199-B2 · Dec 28, 2021 · US
Winding coils of special form (winding conductors onto closed formers or cores H01F41/08)
Winding coils of special form (winding conductors onto closed formers or cores H01F41/08) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F41/071 |
| Official title | Winding coils of special form (winding conductors onto closed formers or cores H01F41/08) |
| Display label | Winding coils of special form (winding conductors onto closed formers or cores H01F41/08) |
| Total patents | 107 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 8 |
| 2017 | 9 |
| 2018 | 12 |
| 2019 | 10 |
| 2020 | 6 |
| 2021 | 11 |
| 2022 | 7 |
| 2023 | 15 |
| 2024 | 6 |
| 2025 | 9 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coil-forming apparatus
US-2021202155-A1 · Jul 1, 2021 · US
Winding coil component
US-11017933-B2 · May 25, 2021 · US
Winding arrangement for use in magnetic devices
US-2021118607-A1 · Apr 22, 2021 · US
Coil unit, drive mechanism, winding device and winding method
US-10878982-B2 · Dec 29, 2020 · US
Winding apparatus
US-10819199-B2 · Oct 27, 2020 · US
Method of manufacturing coil for torque sensor
US-2020265995-A1 · Aug 20, 2020 · US
Spherical coil winding machine
US-2020222960-A1 · Jul 16, 2020 · US
Choke having a core with a pillar having a non-circular and non-rectangular cross section
US-10614945-B2 · Apr 7, 2020 · US
Compact Isolated Inductors
US-2020035406-A1 · Jan 30, 2020 · US
Coil block manufacturing method
US-10491089-B2 · Nov 26, 2019 · US
Choke Having a Core with a Pillar Having a Non-Circular and Non-Rectangular Cross Section
US-2019311836-A1 · Oct 10, 2019 · US
Coil component and coil device
US-2019272942-A1 · Sep 5, 2019 · US
Fractal switching systems and related electromechanical devices
US-2019267176-A1 · Aug 29, 2019 · US
Coil unit, drive mechanism, winding device and winding method
US-10304605-B2 · May 28, 2019 · US
Magnetic inductor with multiple magnetic layer thicknesses
US-2019157000-A1 · May 23, 2019 · US
Fractal switching systems and related electromechanical devices
US-10290413-B2 · May 14, 2019 · US
Reducing magnetic field variation in a charging device
US-2019109497-A1 · Apr 11, 2019 · US
Winding apparatus
US-2019052156-A1 · Feb 14, 2019 · US
Winding coil component
US-2019043650-A1 · Feb 7, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F41/071?
- CPC H01F41/071 is the Cooperative Patent Classification code for “Winding coils of special form (winding conductors onto closed formers or cores H01F41/08).”
- How many patents are filed under CPC H01F41/071 (Winding coils of special form (winding conductors onto closed formers or cores H01F41/08))?
- Our database includes 107 publications tagged with this CPC code.
- Is patent activity under CPC H01F41/071 growing?
- Publication counts under this code: 6 in 2024 vs 9 in 2025 (latest complete years).