Apparatus for charging heating element into vitrified melting furnace
US-2026018312-A1 · Jan 15, 2026 · US
Glass or glass like matrix (C03B5/005 takes precedence; compositional aspects C03C)
Glass or glass like matrix (C03B5/005 takes precedence; compositional aspects C03C) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G21F9/305 |
| Official title | {Glass or glass like matrix (C03B5/005 takes precedence; compositional aspects C03C)} |
| Display label | Glass or glass like matrix (C03B5/005 takes precedence; compositional aspects C03C) |
| Total patents | 37 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vitrification equipment starting method and starting unit
US-2025162921-A1 · May 22, 2025 · US
Remote restart system of vitrification facility and method for operating same
US-2025069767-A1 · Feb 27, 2025 · US
Method for treating radioactive waste glass fibers
US-2025062045-A1 · Feb 20, 2025 · US
Method for synergistically vitrifying medium and low-level radioactive glass fibers and combustible solid nuclear waste incineration ashes
US-12176120-B2 · Dec 24, 2024 · US
Connection device for plant for processing products by high-temperature heat treatment
US-2024038409-A1 · Feb 1, 2024 · US
Method for dehalogenation and vitrification of radioactive metal halide wastes
US-2023139928-A1 · May 4, 2023 · US
Reusable structures containing isotopes for simulating radioactive contamination environments, and methods of formation
US-2023083647-A1 · Mar 16, 2023 · US
Solidifying method of hydroxides of radionuclides
US-11587693-B2 · Feb 21, 2023 · US
Cold crucible comprising metal oxide barrier and method for manufacturing same
US-11391516-B2 · Jul 19, 2022 · US
Method for synergistically vitrifying medium and low-level radioactive glass fibers and combustible solid nuclear waste incineration ashes
US-2022172854-A1 · Jun 2, 2022 · US
Method for producing solidified radioactive waste
US-11120922-B2 · Sep 14, 2021 · US
Treatment method for volume reduction of spent uranium catalyst
US-10643758-B2 · May 5, 2020 · US
Ceramic waste form production from used nuclear fuel
US-10600527-B1 · Mar 24, 2020 · US
Ceramic waste form production from used nuclear fuel
US-2020082955-A1 · Mar 12, 2020 · US
Cold crucible comprising metal oxide barrier and method for manufacturing same
US-2019331422-A1 · Oct 31, 2019 · US
Method for producing solidified radioactive waste
US-2019156964-A1 · May 23, 2019 · US
Method for producing a solid nanocomposite material based on hexa- and octa-cyanometallates of alkali metals
US-10246367-B2 · Apr 2, 2019 · US
Treatment Method for Volume Reduction of Spent Uranium Catalyst
US-2019019590-A1 · Jan 17, 2019 · US
Glass composition for vitrifying mixed waste product
US-9991011-B2 · Jun 5, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G21F9/305?
- CPC G21F9/305 is the Cooperative Patent Classification code for “Glass or glass like matrix (C03B5/005 takes precedence; compositional aspects C03C).”
- How many patents are filed under CPC G21F9/305 (Glass or glass like matrix (C03B5/005 takes precedence; compositional aspects C03C))?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC G21F9/305 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).