System and method for preparing sulphoaluminate cement from solar energy stored heat dried sludge
US-12583790-B2 · Mar 24, 2026 · US
using drying or composting beds · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C02F11/16 |
| Official title | using drying or composting beds |
| Display label | using drying or composting beds |
| Total patents | 20 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 2 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 4 |
| 2024 | 3 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12583790-B2 · Mar 24, 2026 · US
US-2024417281-A1 · Dec 19, 2024 · US
US-2024246857-A1 · Jul 25, 2024 · US
US-11964892-B2 · Apr 23, 2024 · US
US-11426702-B2 · Aug 30, 2022 · US
US-11352285-B2 · Jun 7, 2022 · US
US-2022162106-A1 · May 26, 2022 · US
US-11279644-B2 · Mar 22, 2022 · US
US-2021371316-A1 · Dec 2, 2021 · US
US-2020392029-A1 · Dec 17, 2020 · US
US-10781117-B2 · Sep 22, 2020 · US
US-2020148570-A1 · May 14, 2020 · US
US-2020131067-A1 · Apr 30, 2020 · US
US-2018201528-A1 · Jul 19, 2018 · US
US-9862630-B2 · Jan 9, 2018 · US
US-2017247271-A1 · Aug 31, 2017 · US
US-9598299-B2 · Mar 21, 2017 · US
US-9457295-B2 · Oct 4, 2016 · US
US-2016200616-A1 · Jul 14, 2016 · US
US-2016059282-A1 · Mar 3, 2016 · US