Magnetic powder, magnet, method for producing magnetic powder, and method for producing magnet
US-2026011473-A1 · Jan 8, 2026 · US
NH3
NH3 · 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 | B22F2201/016 |
| Official title | NH3 |
| Display label | NH3 |
| Total patents | 30 |
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 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 5 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Samarium-iron-nitrogen based magnet powder and samarium-iron-nitrogen based magnet
US-2025210235-A1 · Jun 26, 2025 · US
FeNi ordered alloy, method for manufacturing FeNi ordered alloy, and magnetic material including FeNi ordered alloy
US-12146210-B2 · Nov 19, 2024 · US
Anisotropic samarium-iron-nitrogen magnetic alloy powder and preparation method therefor
US-2024212899-A1 · Jun 27, 2024 · US
Powder cleaning systems and methods
US-11980880-B2 · May 14, 2024 · US
Pressure assisted melt infiltration
US-11919088-B1 · Mar 5, 2024 · US
Insulating material-coated soft magnetic powder, dust core, magnetic element, electronic device, and moving body
US-11901101-B2 · Feb 13, 2024 · US
Iron-based sintered alloy material and production method therefor
US-2023211413-A1 · Jul 6, 2023 · US
Iron nitride powder with anisotropic shape
US-11511344-B2 · Nov 29, 2022 · US
Insulating Material-Coated Soft Magnetic Powder, Dust Core, Magnetic Element, Electronic Device, And Moving Body
US-2022375664-A1 · Nov 24, 2022 · US
Method for producing hard metal powder, and hard metal powder
US-11504768-B2 · Nov 22, 2022 · US
Method for additive manufacturing
US-11325191-B2 · May 10, 2022 · US
FeNi ordered alloy and method for manufacturing FeNi ordered alloy
US-11313004-B2 · Apr 26, 2022 · US
A 3-d printing method and a 3-d printout
US-2021370401-A1 · Dec 2, 2021 · US
Powder cleaning systems and methods
US-2021362226-A1 · Nov 25, 2021 · US
Powder cleaning systems and methods
US-11097340-B2 · Aug 24, 2021 · US
Iron-based sintered alloy material and production method therefor
US-2020331068-A1 · Oct 22, 2020 · US
FeNi ordered alloy and method for manufacturing FeNi ordered alloy
US-10724112-B2 · Jul 28, 2020 · US
Method for producing hard metal powder, and hard metal powder
US-2020230702-A1 · Jul 23, 2020 · US
Powder cleaning systems and methods
US-2020156149-A1 · May 21, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22F2201/016?
- CPC B22F2201/016 is the Cooperative Patent Classification code for “NH3.”
- How many patents are filed under CPC B22F2201/016 (NH3)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC B22F2201/016 growing?
- Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).