Process and System for the Calcination of Gypsum
US-2025353789-A1 · Nov 20, 2025 · US
After-treatment of the dehydration products, e.g. aging, stabilisation · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B11/007 |
| Official title | {After-treatment of the dehydration products, e.g. aging, stabilisation} |
| Display label | After-treatment of the dehydration products, e.g. aging, stabilisation |
| Total patents | 23 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 2 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 5 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025353789-A1 · Nov 20, 2025 · US
US-2025345967-A1 · Nov 13, 2025 · US
US-2025263338-A1 · Aug 21, 2025 · US
US-2025171361-A1 · May 29, 2025 · US
US-12227450-B2 · Feb 18, 2025 · US
US-2024165670-A1 · May 23, 2024 · US
US-2023339811-A1 · Oct 26, 2023 · US
US-11760689-B2 · Sep 19, 2023 · US
US-11512019-B2 · Nov 29, 2022 · US
US-2022324756-A1 · Oct 13, 2022 · US
US-2022298069-A1 · Sep 22, 2022 · US
US-11300357-B2 · Apr 12, 2022 · US
US-10974993-B2 · Apr 13, 2021 · US
US-2021048254-A1 · Feb 18, 2021 · US
US-2020385309-A1 · Dec 10, 2020 · US
US-10654753-B2 · May 19, 2020 · US
US-2019300429-A1 · Oct 3, 2019 · US
US-2019016633-A1 · Jan 17, 2019 · US
US-9656876-B1 · May 23, 2017 · US
US-2017121183-A1 · May 4, 2017 · US