Cold storage material, refrigerator, device incorporating superconducting coil, and method of manufacturing cold storage material
US-2026055308-A1 · Feb 26, 2026 · US
Compounds
Compounds · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F1/017 |
| Official title | {Compounds} |
| Display label | Compounds |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Use of rare earth fluoride single crystal in magnetic refrigeration
US-2025172321-A1 · May 29, 2025 · US
Method for preparing high-performance composite ferrite for self-biased circulator
US-2025059062-A1 · Feb 20, 2025 · US
Granulated particle for cold storage material particle, cold storage material particle, cold storage device, refrigerator, cryopump, superconducting magnet, nuclear magnetic resonance imaging apparatus, nuclear magnetic resonance apparatus, magnetic field application type single crystal pulling apparatus, and helium re-condensing device
US-2024287372-A1 · Aug 29, 2024 · US
Ferrite core and coil component comprising same
US-12002606-B2 · Jun 4, 2024 · US
Electronic component
US-11817251-B2 · Nov 14, 2023 · US
Perovskite manganese oxides with strong magnetocaloric effect and uses thereof
US-11670441-B2 · Jun 6, 2023 · US
Active magnetic regenerative processes and systems employing hydrogen as heat transfer fluid and process
US-11555652-B2 · Jan 17, 2023 · US
Cold storage material, refrigerator, device incorporating superconducting coil, and method of manufacturing cold storage material
US-2023002663-A1 · Jan 5, 2023 · US
Cold storage material, refrigerator, device incorporating superconducting coil, and method of manufacturing cold storage material
US-2023002662-A1 · Jan 5, 2023 · US
Magnetocaloric materials comprising manganese, iron, silicon, phosphorus and carbon
US-11410803-B2 · Aug 9, 2022 · US
R-Fe-B sintered magnet and making method
US-11315710-B2 · Apr 26, 2022 · US
Active magnetic regenerative processes and systems employing hydrogen as heat transfer fluid and process
US-2022099366-A1 · Mar 31, 2022 · US
Electronic component
US-2022051843-A1 · Feb 17, 2022 · US
Active magnetic regenerative processes and systems employing hydrogen as heat transfer fluid and process gas
US-11231225-B2 · Jan 25, 2022 · US
Electronic component
US-11183325-B2 · Nov 23, 2021 · US
Cold storage material, refrigerator, device incorporating superconducting coil, and method of manufacturing cold storage material
US-2021309904-A1 · Oct 7, 2021 · US
Ferrite core and coil component comprising same
US-2021035717-A1 · Feb 4, 2021 · US
Method for fabricating a functionally-graded monolithic sintered working component for magnetic heat exchange and an article for magnetic heat exchange
US-10847289-B2 · Nov 24, 2020 · US
Magnetically tunable photonic crystals based on anisotropic nanostructures
US-10796849-B2 · Oct 6, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F1/017?
- CPC H01F1/017 is the Cooperative Patent Classification code for “Compounds.”
- How many patents are filed under CPC H01F1/017 (Compounds)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC H01F1/017 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).