Cement production
US-12509393-B2 · Dec 30, 2025 · US
Grinding {; After-treatment of ground cement}
Grinding {; After-treatment of ground cement} · 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 | C04B7/52 |
| Official title | Grinding {; After-treatment of ground cement} |
| Display label | Grinding {; After-treatment of ground cement} |
| Total patents | 61 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 9 |
| 2023 | 3 |
| 2024 | 9 |
| 2025 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cement production
US-12448327-B2 · Oct 21, 2025 · US
Composition treated by silicone and its use
US-12448330-B2 · Oct 21, 2025 · US
Moisture management in vertical roller mills
US-12391612-B2 · Aug 19, 2025 · US
Method for producing cement clinker
US-2025214891-A1 · Jul 3, 2025 · US
Method for producing cement clinker
US-2025206661-A1 · Jun 26, 2025 · US
Process for producing calcined mineral binder material with reduced carbon footprint
US-2025171353-A1 · May 29, 2025 · US
Moisture management in vertical roller mills
US-2025162937-A1 · May 22, 2025 · US
Method for preparing general-purpose cement by chlorination roasting of aluminosilicates
US-2025154055-A1 · May 15, 2025 · US
Admixture for cement
US-2024327284-A1 · Oct 3, 2024 · US
Method of preparing alkali-activated cement by stepwise calcination with sodium chloride
US-2024327282-A1 · Oct 3, 2024 · US
Cement production
US-2024239707-A1 · Jul 18, 2024 · US
Polyacrylic acid grinding aid for enhanced cement powder flowability
US-2024208862-A1 · Jun 27, 2024 · US
Utilization of spent chromia/alumina catalyst for cement production
US-2024182364-A1 · Jun 6, 2024 · US
Portland cement manufacture using municipal solid waste incineration ash
US-2024182362-A1 · Jun 6, 2024 · US
Grinding stabilizing additive for vertical roller mills
US-2024150237-A1 · May 9, 2024 · US
Method of calcining a clay material
US-2024101477-A1 · Mar 28, 2024 · US
Method of producing a synthetic carbonated mineral component in a cement manufacturing plant
US-2024092691-A1 · Mar 21, 2024 · US
Grinding stabilizing additive for vertical roller mills
US-11684929-B2 · Jun 27, 2023 · US
A composition treated by silicone and its use
US-2023008861-A1 · Jan 12, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B7/52?
- CPC C04B7/52 is the Cooperative Patent Classification code for “Grinding {; After-treatment of ground cement}.”
- How many patents are filed under CPC C04B7/52 (Grinding {; After-treatment of ground cement})?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC C04B7/52 growing?
- Publication counts under this code: 9 in 2024 vs 10 in 2025 (latest complete years).