Production method for magnesia-carbon brick
US-2026078060-A1 · Mar 19, 2026 · US
Refractories from grain sized mixtures · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B35/043 |
| Official title | Refractories from grain sized mixtures |
| Display label | Refractories from grain sized mixtures |
| Total patents | 48 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 7 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 4 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026078060-A1 · Mar 19, 2026 · US
US-2026070847-A1 · Mar 12, 2026 · US
US-12350737-B2 · Jul 8, 2025 · US
US-2025214902-A1 · Jul 3, 2025 · US
US-2025178966-A1 · Jun 5, 2025 · US
US-2025074827-A1 · Mar 6, 2025 · US
US-11905218-B2 · Feb 20, 2024 · US
US-11821691-B2 · Nov 21, 2023 · US
US-11629916-B2 · Apr 18, 2023 · US
US-2023028785-A1 · Jan 26, 2023 · US
US-11407685-B2 · Aug 9, 2022 · US
US-2022033302-A1 · Feb 3, 2022 · US
US-2022003500-A1 · Jan 6, 2022 · US
US-11192825-B2 · Dec 7, 2021 · US
US-11156403-B2 · Oct 26, 2021 · US
US-11130711-B2 · Sep 28, 2021 · US
US-2021270529-A1 · Sep 2, 2021 · US
US-2021198152-A1 · Jul 1, 2021 · US
US-2021179495-A1 · Jun 17, 2021 · US
US-2021078905-A1 · Mar 18, 2021 · US
Answers are generated from the same data shown on this page.