Processing of anisotropic permanent magnet without magnetic field
US-11948733-B2 · Apr 2, 2024 · US
in the form of particles, e.g. rapid quenched powders or ribbon flakes
in the form of particles, e.g. rapid quenched powders or ribbon flakes · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F1/0571 |
| Official title | {in the form of particles, e.g. rapid quenched powders or ribbon flakes} |
| Display label | in the form of particles, e.g. rapid quenched powders or ribbon flakes |
| Total patents | 153 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 12 |
| 2017 | 17 |
| 2018 | 12 |
| 2019 | 10 |
| 2020 | 13 |
| 2021 | 16 |
| 2022 | 19 |
| 2023 | 10 |
| 2024 | 23 |
| 2025 | 12 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
R-t-b permanent magnet
US-2020176155-A1 · Jun 4, 2020 · US
Additive manufacture of anisotropic rare earth magnets
US-2020094321-A1 · Mar 26, 2020 · US
R-T-B based permanent magnet
US-10529473-B2 · Jan 7, 2020 · US
RFeB system magnet production method, RFeB system magnet, and coating material for grain boundary diffusion treatment
US-10475561-B2 · Nov 12, 2019 · US
Permanent magnet source powder fabrication method, permanent magnet fabrication method, and permanent magnet raw material powder inspection method
US-10464132-B2 · Nov 5, 2019 · US
Rare earth permanent magnet
US-10453595-B2 · Oct 22, 2019 · US
Rare earth permanent magnet and rare earth permanent magnet manufacturing method
US-2019295753-A1 · Sep 26, 2019 · US
Superconductor and method for manufacturing same
US-10410781-B2 · Sep 10, 2019 · US
Molten metal temperature control method
US-10393440-B2 · Aug 27, 2019 · US
Process and materials for printed magnets
US-2019252099-A1 · Aug 15, 2019 · US
Processing of NdFeB Magnetic Material
US-2019244733-A1 · Aug 8, 2019 · US
Alloy for R-T-B based sintered magnet and R-T-B based sintered magnet
US-10242777-B2 · Mar 26, 2019 · US
Alloy for r-t-b based sintered magnet and r-t-b based sintered magnet
US-2019074114-A1 · Mar 7, 2019 · US
Method for mitigating thermal aging of permanent magnets in organic liquid
US-10141795-B2 · Nov 27, 2018 · US
Gluing device, gluing method and colloid for packaging devices
US-10121580-B2 · Nov 6, 2018 · US
R-T-B based permanent magnet
US-10068691-B2 · Sep 4, 2018 · US
Manufacturing method for sintered compact
US-10058919-B2 · Aug 28, 2018 · US
Producing method of R-T-B-based sintered magnet
US-10056188-B2 · Aug 21, 2018 · US
Sintered body for forming a rare-earth magnet and rare-earth sintered magnet
US-2018221951-A1 · Aug 9, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F1/0571?
- CPC H01F1/0571 is the Cooperative Patent Classification code for “in the form of particles, e.g. rapid quenched powders or ribbon flakes.”
- How many patents are filed under CPC H01F1/0571 (in the form of particles, e.g. rapid quenched powders or ribbon flakes)?
- Our database includes 153 publications tagged with this CPC code.
- Is patent activity under CPC H01F1/0571 growing?
- Publication counts under this code: 23 in 2024 vs 12 in 2025 (latest complete years).