Target assembly comprising a fission product capturing layer on a fissile target substrate
US-12284748-B2 · Apr 22, 2025 · US
Selection of substances for use as reactor fuel
Selection of substances for use as reactor fuel · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G21C3/42 |
| Official title | Selection of substances for use as reactor fuel |
| Display label | Selection of substances for use as reactor fuel |
| Total patents | 42 |
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 | 5 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 7 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Doppler reactivity augmentation device
US-2025079027-A1 · Mar 6, 2025 · 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
Doppler reactivity augmentation device
US-12046380-B2 · Jul 23, 2024 · US
Fuel element with multi-smear density fuel
US-11990249-B2 · May 21, 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
Fuel element with multi-smear density fuel
US-2023395269-A1 · Dec 7, 2023 · 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
Annular nuclear fuel rod
US-2023132157-A1 · Apr 27, 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
Aqueous assembly and control method
US-2022301736-A1 · Sep 22, 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
Aqueous assembly and control method
US-11361873-B2 · Jun 14, 2022 · US
Doppler reactivity augmentation device
US-2021313080-A1 · Oct 7, 2021 · US
Doppler reactivity augmentation device
US-11031142-B2 · Jun 8, 2021 · US
Methods and apparatus for additively manufacturing structures using in situ formed additive manufacturing materials
US-11014265-B2 · May 25, 2021 · US
Nuclear fuel sintered pellet having excellent impact resistance
US-2021050121-A1 · Feb 18, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G21C3/42?
- CPC G21C3/42 is the Cooperative Patent Classification code for “Selection of substances for use as reactor fuel.”
- How many patents are filed under CPC G21C3/42 (Selection of substances for use as reactor fuel)?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC G21C3/42 growing?
- Publication counts under this code: 7 in 2024 vs 2 in 2025 (latest complete years).