Process for reforming the fly ash
US-12195407-B2 · Jan 14, 2025 · US
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Evacuating at least part of the heat treated material before the final burning or melting step, the evacuated material being used as a cement as such
Evacuating at least part of the heat treated material before the final burning or melting step, the evacuated material being used as a cement as such · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B7/438 |
| Official title | {Evacuating at least part of the heat treated material before the final burning or melting step, the evacuated material being used as a cement as such} |
| Display label | Evacuating at least part of the heat treated material before the final burning or melting step, the evacuated material being used as a cement as such |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
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