Additive manufacturing of magnets
US-2017092400-A1 · Mar 30, 2017 · US
for manufacturing permanent magnets
for manufacturing permanent magnets · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F41/0253 |
| Official title | {for manufacturing permanent magnets} |
| Display label | for manufacturing permanent magnets |
| Total patents | 624 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 37 |
| 2017 | 54 |
| 2018 | 55 |
| 2019 | 59 |
| 2020 | 67 |
| 2021 | 65 |
| 2022 | 80 |
| 2023 | 58 |
| 2024 | 64 |
| 2025 | 57 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for manufacturing interior permanent magnet-type inner rotor
US-2017025933-A1 · Jan 26, 2017 · US
Method for producing a ferromagnetic component for a torque sensor of a vehicle steering shaft, and torque sensor
US-2016379754-A1 · Dec 29, 2016 · US
Manufacturing method and magnetizing device for interior permanent magnet rotor unit
US-2016359398-A1 · Dec 8, 2016 · US
Thin magnet fabrication
US-2016358703-A1 · Dec 8, 2016 · US
Rare earth thin film magnet, process for producing same, and target for forming rare earth thin film magnet
US-2016343482-A1 · Nov 24, 2016 · US
Hard magnetic compositions from iron oxide fines and methods for making same
US-2016343485-A1 · Nov 24, 2016 · US
Rare earth permanent magnet and rare earth permanent magnet manufacturing method
US-2016322135-A1 · Nov 3, 2016 · US
RFeB SYSTEM MAGNET PRODUCTION METHOD, RFeB SYSTEM MAGNET, AND COATING MATERIAL FOR GRAIN BOUNDARY DIFFUSION TREATMENT
US-2016300649-A1 · Oct 13, 2016 · US
Recycle method and recycle apparatus for powder for rare earth sintered magnet
US-9463509-B2 · Oct 11, 2016 · US
R-fe-b sintered magnet and making method
US-2016293303-A1 · Oct 6, 2016 · US
R-fe-b sintered magnet and making method
US-2016293304-A1 · Oct 6, 2016 · US
R-t-b-based rare earth sintered magnet and method of manufacturing same
US-2016284452-A1 · Sep 29, 2016 · US
Rare earth magnet, rotor and manufacturing method for rare earth magnet
US-9443653-B2 · Sep 13, 2016 · US
Manufacture method and manufacturing device for manufacturing magnet piece constituting magnet body for field pole disposed on rotating electric machine
US-2016243719-A1 · Aug 25, 2016 · US
Cutting method and cutting device of manufacturing magnet piece forming magnet body for field pole to be arranged in rotating electric machine
US-2016211073-A1 · Jul 21, 2016 · US
Magnet keeper assembly method
US-2016203909-A1 · Jul 14, 2016 · US
Rare earth permanent magnet and method for manufacturing thereof
US-2016203892-A1 · Jul 14, 2016 · US
Multi-phase magnetic component and method of forming
US-2016203898-A1 · Jul 14, 2016 · US
Graded magnetic component and method of forming
US-2016203899-A1 · Jul 14, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F41/0253?
- CPC H01F41/0253 is the Cooperative Patent Classification code for “for manufacturing permanent magnets.”
- How many patents are filed under CPC H01F41/0253 (for manufacturing permanent magnets)?
- Our database includes 624 publications tagged with this CPC code.
- Is patent activity under CPC H01F41/0253 growing?
- Publication counts under this code: 64 in 2024 vs 57 in 2025 (latest complete years).