Method and apparatus for preparing spent nuclear fuel for dry storage
US-2020251235-A1 · Aug 6, 2020 · US
Treating solids
Treating solids · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G21F9/28 |
| Official title | Treating solids |
| Display label | Treating solids |
| Total patents | 116 |
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 | 12 |
| 2016 | 13 |
| 2017 | 11 |
| 2018 | 12 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 14 |
| 2022 | 17 |
| 2023 | 10 |
| 2024 | 10 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Adsorbent and photocatalytic decontamination gel, and method for decontaminating surfaces using said gel
US-2020179546-A1 · Jun 11, 2020 · US
Water Vapor Quantification Methodology During Drying of Spent Nuclear Fuel
US-2020135350-A1 · Apr 30, 2020 · US
Method for recovering uranium from components contaminated with uranium oxide
US-2020024688-A1 · Jan 23, 2020 · US
Method for preparing spent nuclear fuel for dry storage
US-10535439-B2 · Jan 14, 2020 · US
Chemical decontamination method
US-2020013519-A1 · Jan 9, 2020 · US
Geopolymer molding production method and geopolymer molding production system
US-2019389770-A1 · Dec 26, 2019 · US
Method for dismantling a steam generator or heat exchanger, in particular a steam generator or heat exchanger of a nuclear power plant
US-2019267147-A1 · Aug 29, 2019 · US
Method of decontaminating metal surfaces in a cooling system of a nuclear reactor
US-10340050-B2 · Jul 2, 2019 · US
Thermoacoustic enhancements for nuclear fuel rods
US-10283225-B2 · May 7, 2019 · US
Method of determining conditions for accommodating radioactive waste in container, radioactive waste accommodating method, and waste body produced using said method
US-2019074097-A1 · Mar 7, 2019 · US
Chemical decontamination method using chelate free chemical decontamination reagent for removal of the dense radioactive oxide layer on the metal surface
US-2019027263-A1 · Jan 24, 2019 · US
Method and apparatus for recovery of radioactive nuclides from spent resin materials
US-10163536-B2 · Dec 25, 2018 · US
High-pressure fluid discharge device
US-10157690-B2 · Dec 18, 2018 · US
Treatment method for used ion exchange resin
US-10112125-B2 · Oct 30, 2018 · US
Method and apparatus for recovery of radioactive nuclides from spent resin materials
US-2018308597-A1 · Oct 25, 2018 · US
Method for decontaminating nickel-based alloy
US-2018277274-A1 · Sep 27, 2018 · US
Integrated method and apparatus for remediation of uranium-contaminated soils
US-10014086-B2 · Jul 3, 2018 · US
Methods for gas-phase thermochromatographic separations of fission and activation products
US-9951398-B2 · Apr 24, 2018 · US
Method for reducing the radioactive contamination of the surface of a component used in a nuclear reactor
US-9947425-B2 · Apr 17, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G21F9/28?
- CPC G21F9/28 is the Cooperative Patent Classification code for “Treating solids.”
- How many patents are filed under CPC G21F9/28 (Treating solids)?
- Our database includes 116 publications tagged with this CPC code.
- Is patent activity under CPC G21F9/28 growing?
- Publication counts under this code: 10 in 2024 vs 3 in 2025 (latest complete years).