R-Fe-B sintered magnet and making method
US-10515747-B2 · Dec 24, 2019 · US
by jet milling
by jet milling · 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 | B22F2009/044 |
| Official title | {by jet milling} |
| Display label | by jet milling |
| Total patents | 144 |
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 | 5 |
| 2017 | 16 |
| 2018 | 21 |
| 2019 | 15 |
| 2020 | 22 |
| 2021 | 13 |
| 2022 | 5 |
| 2023 | 12 |
| 2024 | 17 |
| 2025 | 9 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rare earth-cobalt permanent magnet
US-10497496-B2 · Dec 3, 2019 · US
MAGNETIC POWDER CONTAINING Sm-Fe-N-BASED CRYSTAL PARTICLES, SINTERED MAGNET PRODUCED FROM SAME, METHOD FOR PRODUCING SAID MAGNETIC POWDER, AND METHOD FOR PRODUCING SAID SINTERED MAGNET
US-2019333661-A1 · Oct 31, 2019 · US
R-t-b based permanent magnet
US-2019295752-A1 · Sep 26, 2019 · US
R—Fe—B sintered magnet and making method
US-10410775-B2 · Sep 10, 2019 · US
R-T-B based sintered magnet
US-10388440-B2 · Aug 20, 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
Thermoelectric article and composite material for a thermoelectric conversion device and process for producing a thermoelectric article
US-2019207073-A1 · Jul 4, 2019 · US
Rare earth permanent magnetic material and method of preparing the same
US-10340064-B2 · Jul 2, 2019 · US
Rare earth permanent magnet and method for producing rare earth permanent magnet
US-10269475-B2 · Apr 23, 2019 · US
Feedstock and heterogeneous structure for tough rare earth permanent magnets and production therefor
US-2019115128-A1 · Apr 18, 2019 · US
Feedstock and heterogeneous structure for tough rare earth permanent magnets and production process therefor
US-2019115126-A1 · Apr 18, 2019 · US
Alloy for r-t-b based sintered magnet and r-t-b based sintered magnet
US-2019074114-A1 · Mar 7, 2019 · US
Rare earth magnet and its preparation
US-10160037-B2 · Dec 25, 2018 · US
Preparation of mnbi ltp magnet by direct sintering
US-2018366247-A1 · Dec 20, 2018 · US
Permanent magnet and method for manufacturing the same, and motor and power generator using the same
US-10102950-B2 · Oct 16, 2018 · US
Method for producing rare-earth magnets, and slurry application device
US-2018294095-A1 · Oct 11, 2018 · US
R-t-b based rare earth magnet
US-2018277288-A1 · Sep 27, 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 B22F2009/044?
- CPC B22F2009/044 is the Cooperative Patent Classification code for “by jet milling.”
- How many patents are filed under CPC B22F2009/044 (by jet milling)?
- Our database includes 144 publications tagged with this CPC code.
- Is patent activity under CPC B22F2009/044 growing?
- Publication counts under this code: 17 in 2024 vs 9 in 2025 (latest complete years).