Using additive manufacturing in creating a nuclear fuel structure with a shape corresponding to a mathematically-based periodic solid having a triply periodic minimal surface
US-12437891-B2 · Oct 7, 2025 · US
Fuel elements with porous or capillary structure
Fuel elements with porous or capillary structure · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G21C3/044 |
| Official title | {Fuel elements with porous or capillary structure} |
| Display label | Fuel elements with porous or capillary structure |
| Total patents | 28 |
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 | 3 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 6 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High efficiency foam compacts for TRISO fuels
US-12176114-B2 · Dec 24, 2024 · US
Functionally graded lattice cermet fuel structure with shape corresponding to a mathematically-based periodic solid, particularly for nuclear thermal propulsion applications
US-12159726-B2 · Dec 3, 2024 · US
Functionally graded lattice cermet fuel structure with shape corresponding to a mathematically-based periodic solid, particularly for nuclear thermal propulsion applications
US-12159727-B2 · Dec 3, 2024 · US
Functionally graded lattice cermet fuel structure with shape corresponding to a mathematically-based periodic solid, particularly for nuclear thermal propulsion applications
US-2024266077-A1 · Aug 8, 2024 · US
Functionally graded lattice cermet fuel structure with shape corresponding to a mathematically-based periodic solid, particularly for nuclear thermal propulsion applications
US-2024038406-A1 · Feb 1, 2024 · US
Functionally graded lattice cermet fuel structure with shape corresponding to a mathematically-based periodic solid, particularly for nuclear thermal propulsion applications
US-2024038405-A1 · Feb 1, 2024 · US
Functionally graded lattice cermet fuel structure with shape corresponding to a mathematically-based periodic solid, particularly for nuclear thermal propulsion
US-11817225-B2 · Nov 14, 2023 · US
High efficiency foam compacts for triso fuels
US-2023207142-A1 · Jun 29, 2023 · US
Functionally graded lattice cermet fuel structure with shape corresponding to a mathematically-based periodic solid, particularly for nuclear thermal propulsion applications
US-2022351870-A1 · Nov 3, 2022 · US
Functionally graded lattice cermet fuel structure with shape corresponding to a mathematically-based periodic solid, particularly for nuclear thermal propulsion applications
US-11424041-B2 · Aug 23, 2022 · US
Methods of forming fuel rods comprising porous fuel materials
US-11183309-B2 · Nov 23, 2021 · US
Methods of additively manufacturing a structure
US-11177047-B2 · Nov 16, 2021 · US
High efficiency foam compacts for triso fuels
US-2021098138-A1 · Apr 1, 2021 · US
Critical heat flux (chf) enhancing surface treatment
US-2021057114-A1 · Feb 25, 2021 · US
Functionally graded lattice cermet fuel structure with shape corresponding to a mathematically-based periodic solid, particularly for ntp applications
US-2020365290-A1 · Nov 19, 2020 · US
Honeycomb-shaped fuel assembly cooled by liquid chloride salt and reactor core using this assembly
US-2020303082-A1 · Sep 24, 2020 · US
Methods of additively manufacturing a structure and related structures
US-2020251233-A1 · Aug 6, 2020 · US
Methods of forming structures and fissile fuel materials by additive manufacturing
US-10614923-B2 · Apr 7, 2020 · US
Fuel rods comprising porous fuel materials, and related methods
US-2020027578-A1 · Jan 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G21C3/044?
- CPC G21C3/044 is the Cooperative Patent Classification code for “Fuel elements with porous or capillary structure.”
- How many patents are filed under CPC G21C3/044 (Fuel elements with porous or capillary structure)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC G21C3/044 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).