Electric machines using axially-magnetized curvilinear permanent magnets
US-2024429761-A1 · Dec 26, 2024 · US
sintered
sintered · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F1/086 |
| Official title | {sintered} |
| Display label | sintered |
| Total patents | 190 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 19 |
| 2017 | 23 |
| 2018 | 19 |
| 2019 | 19 |
| 2020 | 27 |
| 2021 | 9 |
| 2022 | 17 |
| 2023 | 12 |
| 2024 | 10 |
| 2025 | 17 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Iron nitride permanent magnet and technique for forming iron nitride permanent magnet
US-2017330660-A1 · Nov 16, 2017 · US
Additive manufacturing systems and methods for magnetic materials
US-2017312967-A1 · Nov 2, 2017 · US
Synthesis of ferromagnetic manganese-bismuth nanoparticles using a manganese-based ligated anionic-element reagent complex (Mn-LAERC) and formation of bulk MnBi magnets therefrom
US-9796023-B2 · Oct 24, 2017 · US
Permanent magnet, and motor and generator using the same
US-9773592-B2 · Sep 26, 2017 · US
Permanent magnet, rotary electrical machine, and vehicle
US-2017271060-A1 · Sep 21, 2017 · US
Annular sintered magnet with radial magnetization and reinforced mechanical strength
US-9748030-B2 · Aug 29, 2017 · US
Additive manufacturing systems and methods for magnetic materials
US-9731445-B2 · Aug 15, 2017 · US
Permanent magnet, motor, and generator
US-9715956-B2 · Jul 25, 2017 · US
Iron nitride permanent magnet and technique for forming iron nitride permanent magnet
US-9715957-B2 · Jul 25, 2017 · US
Ferrite sintered magnet
US-2017207012-A1 · Jul 20, 2017 · US
Method for preparing rare earth sintered magnet
US-9711280-B2 · Jul 18, 2017 · US
Ring magnet for spm motor, production method for ring magnet for spm motor, spm motor, and production method for spm motor
US-2017170695-A1 · Jun 15, 2017 · US
Magnet having regions of different magnetic properties and method for forming such a magnet
US-2017154713-A1 · Jun 1, 2017 · US
Method for producing sintered rare-earth magnet, sintered rare-earth magnet, and material for same
US-9640305-B2 · May 2, 2017 · US
R-T-B based alloy strip, and R-T-B based sintered magnet and method for producing same
US-9620268-B2 · Apr 11, 2017 · US
R-T-B based sintered magnet and production method for same, and rotary machine
US-9613737-B2 · Apr 4, 2017 · US
Internally segmented magnets
US-2017092398-A1 · Mar 30, 2017 · US
R-T-B based alloy strip, and R-T-B based sintered magnet and method for producing same
US-9607742-B2 · Mar 28, 2017 · US
Ferrite composite sleeve systems and methods for coaxial applications
US-2017050363-A1 · Feb 23, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F1/086?
- CPC H01F1/086 is the Cooperative Patent Classification code for “sintered.”
- How many patents are filed under CPC H01F1/086 (sintered)?
- Our database includes 190 publications tagged with this CPC code.
- Is patent activity under CPC H01F1/086 growing?
- Publication counts under this code: 10 in 2024 vs 17 in 2025 (latest complete years).