Doppler reactivity augmentation device
US-2021313080-A1 · Oct 7, 2021 · US
Fast fission reactors, i.e. reactors not using a moderator {; Metal cooled reactors; Fast breeders}
Fast fission reactors, i.e. reactors not using a moderator {; Metal cooled reactors; Fast breeders} · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G21C1/02 |
| Official title | Fast fission reactors, i.e. reactors not using a moderator {; Metal cooled reactors; Fast breeders} |
| Display label | Fast fission reactors, i.e. reactors not using a moderator {; Metal cooled reactors; Fast breeders} |
| Total patents | 99 |
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 | 4 |
| 2016 | 12 |
| 2017 | 12 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 15 |
| 2022 | 5 |
| 2023 | 9 |
| 2024 | 12 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Core of Fast Reactor and Method of Operating Fast Reactor
US-2021287811-A1 · Sep 16, 2021 · US
Mitigation assembly for nuclear reactor comprising a removable sealing plug
US-11087894-B2 · Aug 10, 2021 · US
Molten salt compositions with enhanced heat transfer and reduced corrosion properties
US-2021222042-A1 · Jul 22, 2021 · US
Liquid metal-cooled nuclear reactor incorporating a completely passive residual power removal (dhr) system
US-2021210229-A1 · Jul 8, 2021 · US
Direct reactor auxiliary cooling system for a molten salt nuclear reactor
US-2021210222-A1 · Jul 8, 2021 · US
Flux-shifting reactivity control system
US-2021210223-A1 · Jul 8, 2021 · US
Co-60 breeding reactor tandem with thermionic avalanche cell
US-11037687-B2 · Jun 15, 2021 · US
Predictive Model Construction Method and Prediction Method
US-2021098142-A1 · Apr 1, 2021 · US
Nuclear reactor assembly having a reversible weldless connection between a casing and an element inserted therein
US-10902957-B2 · Jan 26, 2021 · US
Mobile heat pipe cooled fast reactor system
US-2020373029-A1 · Nov 26, 2020 · US
Irradiation target for radioisotope production, method for preparing and use of the irradiation target
US-10820403-B2 · Oct 27, 2020 · US
Controlling spatial position of a propagating nuclear fission deflagration wave within a burning wavefront heat generating region
US-10706979-B2 · Jul 7, 2020 · US
Underground vertical shafts and nuclear reactors using the same
US-2020208517-A1 · Jul 2, 2020 · US
Mobile heat pipe cooled fast reactor system
US-10643756-B2 · May 5, 2020 · US
Reactor plant and method of operating reactor plant
US-2020082950-A1 · Mar 12, 2020 · US
Nuclear fuel rod for fast reactors including metallic fuel slug coated with protective coating layer and fabrication method thereof
US-2020075182-A1 · Mar 5, 2020 · US
Fuel element with multi-smear density fuel
US-2020027577-A1 · Jan 23, 2020 · US
Heat pipe molten salt fast reactor with stagnant liquid core
US-10510450-B2 · Dec 17, 2019 · US
Co-60 Breeding Reactor Tandem with Thermionic Avalanche Cell
US-2019287687-A1 · Sep 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G21C1/02?
- CPC G21C1/02 is the Cooperative Patent Classification code for “Fast fission reactors, i.e. reactors not using a moderator {; Metal cooled reactors; Fast breeders}.”
- How many patents are filed under CPC G21C1/02 (Fast fission reactors, i.e. reactors not using a moderator {; Metal cooled reactors; Fast breeders})?
- Our database includes 99 publications tagged with this CPC code.
- Is patent activity under CPC G21C1/02 growing?
- Publication counts under this code: 12 in 2024 vs 6 in 2025 (latest complete years).