Beryllium solution production method, beryllium production method, beryllium hydroxide production method, beryllium oxide production method, solution production device, beryllium production system, and beryllium
US-12473205-B2 · Nov 18, 2025 · US
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by evaporation; by distillation
by evaporation; by distillation · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G21F9/08 |
| Official title | by evaporation; by distillation |
| Display label | by evaporation; by distillation |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of treating radioactive waste resin and an equipment therefor
US-11810684-B2 · Nov 7, 2023 · US
Neutron absorber synthesis system
US-2022185679-A1 · Jun 16, 2022 · US
Method for collecting uranium by treatment process of washing waste liquid generated in uranium hexafluoride cylinder washing process
US-11289233-B2 · Mar 29, 2022 · US
Method for collecting uranium by treatment process of washing waste liquid generated in uranium hexafluoride cylinder washing process
US-2022068516-A1 · Mar 3, 2022 · US
Method of treating radioactive waste resin and an equipment therefor
US-2022068517-A1 · Mar 3, 2022 · US
Closed evaporation system
US-11094424-B2 · Aug 17, 2021 · US
Gas stripper system
US-10688413-B2 · Jun 23, 2020 · US
Apparatus for Treating Spent Radioactive Ion Exchange Resins and Method for Treating Spent Radioactive Ion Exchange Resin
US-2020109069-A1 · Apr 9, 2020 · US
Closed evaporation system
US-2020043620-A1 · Feb 6, 2020 · US
Method for Collecting Uranium by Treatment Process of Washing Waste Liquid Generated in Uranium Hexafluoride Cylinder Washing Process
US-2019139663-A1 · May 9, 2019 · US
Method for treatment of spent radioactive ion exchange resins
US-10157691-B2 · Dec 18, 2018 · US
Method for processing radioactive liquid waste
US-2018308598-A1 · Oct 25, 2018 · US
Method for processing radioactive liquid waste
US-10032534-B2 · Jul 24, 2018 · US
Method for the pre-calcining treatment of an aqueous nitric solution comprising at least one radionuclide and optionally ruthenium
US-9922741-B2 · Mar 20, 2018 · US
Electrolytic enrichment method for heavy water
US-9890062-B2 · Feb 13, 2018 · US
Method for treating tritium-water-containing raw water
US-9818496-B2 · Nov 14, 2017 · US
Method for treating tritium-water-containing raw water
US-2017206991-A1 · Jul 20, 2017 · US
Method for treatment of spent radioactive ion exchange resins, and the apparatus thereof
US-2017148535-A1 · May 25, 2017 · US
Gas stripper system
US-2016367914-A1 · Dec 22, 2016 · US