Plurality of flaky magnetic metal particles, pressed powder material, and rotating electric machine
US-2020340087-A1 · Oct 29, 2020 · US
by pulverising a quenched ribbon
by pulverising a quenched ribbon · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B22F2009/048 |
| Official title | {by pulverising a quenched ribbon} |
| Display label | by pulverising a quenched ribbon |
| Total patents | 124 |
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 | 7 |
| 2016 | 8 |
| 2017 | 1 |
| 2018 | 21 |
| 2019 | 20 |
| 2020 | 18 |
| 2021 | 14 |
| 2022 | 10 |
| 2023 | 7 |
| 2024 | 10 |
| 2025 | 5 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
R-T-B based rare earth permanent magnet
US-10566117-B2 · Feb 18, 2020 · US
R-T-B based permanent magnet
US-10529473-B2 · Jan 7, 2020 · US
R-Fe-B sintered magnet and making method
US-10515747-B2 · Dec 24, 2019 · US
Rare-earth magnet and method for manufacturing same
US-2019362870-A1 · Nov 28, 2019 · US
Hot-deformed magnet, method for producing raw material powder for hot-deformed magnet, and method for producing hot-deformed magnet
US-2019337051-A1 · Nov 7, 2019 · US
Rare-earth magnet and method for manufacturing same
US-10468165-B2 · Nov 5, 2019 · US
Permanent magnet and permanent magnet powder
US-2019333660-A1 · Oct 31, 2019 · US
Plurality of flaky magnetic metal particles, pressed powder material, and rotating electric machine
US-2019283127-A1 · Sep 19, 2019 · US
R—Fe—B sintered magnet and making method
US-10410775-B2 · Sep 10, 2019 · US
Negative electrode active material for electric device and electric device using the same
US-10403890-B2 · Sep 3, 2019 · US
Soft magnetic alloy powder, production method thereof, and dust core using same
US-2019252103-A1 · Aug 15, 2019 · US
Soft magnetic alloy and magnetic device
US-2019237229-A1 · Aug 1, 2019 · US
Iron powder, method for producing same, method for producing precursor, molded article for inductor, and inductor
US-2019210104-A1 · Jul 11, 2019 · US
Negative electrode active material, negative electrode, and battery
US-2019190021-A1 · Jun 20, 2019 · US
Apparatus for producing thin metal strip and method for producing thin metal strip using the same
US-2019176224-A1 · Jun 13, 2019 · US
Negative electrode active material, negative electrode and battery
US-10270092-B2 · Apr 23, 2019 · US
Method of making machine component with aluminum alloy under temperature-limited forming conditions
US-10232442-B2 · Mar 19, 2019 · US
Rare-earth magnet and method for producing the same
US-10199145-B2 · Feb 5, 2019 · US
Mn-Bi-BASED MAGNETIC POWDER, METHOD FOR PRODUCING SAME, COMPOUND FOR BOND MAGNET, BOND MAGNET, Mn-Bi-BASED METAL MAGNET AND METHOD FOR PRODUCING SAME
US-2019027283-A1 · Jan 24, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22F2009/048?
- CPC B22F2009/048 is the Cooperative Patent Classification code for “by pulverising a quenched ribbon.”
- How many patents are filed under CPC B22F2009/048 (by pulverising a quenched ribbon)?
- Our database includes 124 publications tagged with this CPC code.
- Is patent activity under CPC B22F2009/048 growing?
- Publication counts under this code: 10 in 2024 vs 5 in 2025 (latest complete years).