Iron core magnetic circuit multiplexing method
US-2024304370-A1 · Sep 12, 2024 · US
Electromagnets with movable winding
Electromagnets with movable 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 | H01F7/066 |
| Official title | {Electromagnets with movable winding} |
| Display label | Electromagnets with movable winding |
| Total patents | 142 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 7 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 10 |
| 2020 | 17 |
| 2021 | 16 |
| 2022 | 24 |
| 2023 | 21 |
| 2024 | 16 |
| 2025 | 14 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electromagnetic Microactuator Apparatus and Method
US-2021389586-A1 · Dec 16, 2021 · US
Flexible display device
US-2021366638-A1 · Nov 25, 2021 · US
Wearable device, electronic system and device, tactile feedback method and storage medium
US-2021333879-A1 · Oct 28, 2021 · US
Optical-path folding-element with an extended two degree of freedom rotation range
US-2021333126-A9 · Oct 28, 2021 · US
Valve with energy-saving electrodynamic actuator
US-11118702-B2 · Sep 14, 2021 · US
Drive device including magnet units arranged in halbach array, shake correction device, and image capturing apparatus
US-2021258489-A1 · Aug 19, 2021 · US
Mxene-based voice coils and active acoustic devices
US-2021250693-A1 · Aug 12, 2021 · US
Multi-degree-of-freedom electromagnetic machine including planar coils
US-11063504-B2 · Jul 13, 2021 · US
Movable embedded microstructure
US-11051106-B2 · Jun 29, 2021 · US
Multi-degree-of-freedom electromagnetic machine including planar coils
US-2021021187-A1 · Jan 21, 2021 · US
Optical-path folding-element with an extended two degree of freedom rotation range
US-2020400464-A1 · Dec 24, 2020 · US
High-speed solenoid
US-2020402694-A1 · Dec 24, 2020 · US
Optical element driving mechanism
US-2020393642-A1 · Dec 17, 2020 · US
Truncated Flat Wire Coil
US-2020381153-A1 · Dec 3, 2020 · US
Vibration generating device
US-10847296-B2 · Nov 24, 2020 · US
Movable embedded microstructure
US-2020344551-A1 · Oct 29, 2020 · US
Lens driving device, camera module, and camera-equipped device
US-10746957-B2 · Aug 18, 2020 · US
Electromagnetic locking devices, systems, and methods
US-10699834-B2 · Jun 30, 2020 · US
Button providing force sensing and/or haptic output
US-10691211-B2 · Jun 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F7/066?
- CPC H01F7/066 is the Cooperative Patent Classification code for “Electromagnets with movable winding.”
- How many patents are filed under CPC H01F7/066 (Electromagnets with movable winding)?
- Our database includes 142 publications tagged with this CPC code.
- Is patent activity under CPC H01F7/066 growing?
- Publication counts under this code: 16 in 2024 vs 14 in 2025 (latest complete years).