Variable fuel rod diameter
US-2022375632-A1 · Nov 24, 2022 · US
Constructional details
Constructional details · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G21C3/04 |
| Official title | Constructional details |
| Display label | Constructional details |
| Total patents | 79 |
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 | 3 |
| 2016 | 6 |
| 2017 | 9 |
| 2018 | 11 |
| 2019 | 8 |
| 2020 | 12 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 11 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
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
3D printing of additive structures for nuclear fuels
US-11437153-B2 · Sep 6, 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
Method of making a nuclear reactor fuel duct
US-11289210-B2 · Mar 29, 2022 · US
Robust nuclear propulsion fission reactor with tri-pitch patterned core and drum absorbers
US-2021304909-A1 · Sep 30, 2021 · US
In-containment spent fuel storage to limit spent fuel pool water makeup
US-11120921-B2 · Sep 14, 2021 · US
Removing heat from a nuclear reactor by having molten fuel pass through plural heat exchangers before returning to core
US-11075013-B2 · Jul 27, 2021 · US
3D Printing of Additive Structures for Nuclear Fuels
US-2021158978-A1 · May 27, 2021 · US
Nuclear fuel sintered pellet having excellent impact resistance
US-2021050121-A1 · Feb 18, 2021 · US
Nuclear fuel pellet having excellent compression resistance and reduced surface defect
US-2021050120-A1 · Feb 18, 2021 · US
Molten metal fuel buffer in fission reactor and method of manufacture
US-2020373024-A1 · Nov 26, 2020 · 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
Compositions for additive manufacturing and methods of additive manufacturing, particularly of nuclear reactor components
US-2020353681-A1 · Nov 12, 2020 · US
Honeycomb-shaped fuel assembly cooled by liquid chloride salt and reactor core using this assembly
US-2020303082-A1 · Sep 24, 2020 · US
Sintering with sps/fast uranium fuel with or without burnable absorbers
US-2020258642-A1 · Aug 13, 2020 · US
Nuclear powered vacuum microelectronic device
US-10734125-B2 · Aug 4, 2020 · US
Vertically-segmented nuclear reactor
US-2020185114-A1 · Jun 11, 2020 · US
Vver-1000 fuel assembly bottom nozzle
US-2020135346-A1 · Apr 30, 2020 · US
In-containment spent fuel storage to limit spent fuel pool water makeup
US-2020075188-A1 · Mar 5, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G21C3/04?
- CPC G21C3/04 is the Cooperative Patent Classification code for “Constructional details.”
- How many patents are filed under CPC G21C3/04 (Constructional details)?
- Our database includes 79 publications tagged with this CPC code.
- Is patent activity under CPC G21C3/04 growing?
- Publication counts under this code: 11 in 2024 vs 2 in 2025 (latest complete years).