System and method for preparing sulphoaluminate cement from solar energy stored heat dried sludge
US-12583790-B2 · Mar 24, 2026 · US
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Dehydrating; Forming, e.g. granulating (apparatus for granulating B01J2/00)
Dehydrating; Forming, e.g. granulating (apparatus for granulating B01J2/00) · 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 | C04B7/40 |
| Official title | Dehydrating; Forming, e.g. granulating (apparatus for granulating B01J2/00) |
| Display label | Dehydrating; Forming, e.g. granulating (apparatus for granulating B01J2/00) |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of manufacturing inorganic binder by reduction furnace slag and cured solid manufactured by the method
US-12415756-B2 · Sep 16, 2025 · US
Hydraulic cement composition, process and use
US-12410356-B2 · Sep 9, 2025 · US
Hydraulic cement composition, process and use
US-2024279530-A1 · Aug 22, 2024 · US
In-situ high-strength gradient carbonized material and preparation method thereof
US-2024262744-A1 · Aug 8, 2024 · US
High-strength self-healing capsule and production process thereof
US-2024254057-A1 · Aug 1, 2024 · US
System and method for preparing sulphoaluminate cement from solar energy stored heat dried sludge
US-2024246857-A1 · Jul 25, 2024 · US
Hydraulic cement composition, process and use
US-11981860-B2 · May 14, 2024 · US
Method of manufacturing inorganic binder by reduction furnace slag and cured solid manufactured by the method
US-2023192551-A1 · Jun 22, 2023 · US
Organic sludge treatment device and treatment method
US-11591246-B2 · Feb 28, 2023 · US
Production of supplementary cementitious materials through semi-wet carbonation, cyclic carbonation, non-slurry carbonation, high temperature carbonation and granulation carbonation
US-2023023151-A1 · Jan 26, 2023 · US
Hydraulic cement composition, process and use
US-2022403223-A1 · Dec 22, 2022 · US
Methods and systems for providing improved cement incorporating metal oxides and hydroxides
US-2021188711-A1 · Jun 24, 2021 · US
Process for reforming the fly ash
US-2021032163-A1 · Feb 4, 2021 · US
Organic sludge treatment device and treatment method
US-2021009455-A1 · Jan 14, 2021 · US