Structure for manufacturing cast article
US-12485474-B2 · Dec 2, 2025 · US
Cements, oxides or clays
Cements, oxides or clays · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B22C1/181 |
| Official title | {Cements, oxides or clays} |
| Display label | Cements, oxides or clays |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 3 |
| 2020 | 2 |
| 2021 | 8 |
| 2022 | 2 |
| 2023 | 7 |
| 2024 | 1 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Structure for manufacturing cast article
US-2025281970-A1 · Sep 11, 2025 · US
Casting elements and methods of making the same using low temperature solidification
US-2025242404-A1 · Jul 31, 2025 · US
Recovering sand, bentonite and organics from foundry sand waste
US-12350734-B2 · Jul 8, 2025 · US
Casting elements and methods of making the same using low temperature solidification
US-12285797-B2 · Apr 29, 2025 · US
Compositions comprising oxidized materials for sand casting and methods of preparation and use thereof
US-2025083216-A1 · Mar 13, 2025 · US
Frangible-soluble casting cores and methods of making the same
US-12070793-B1 · Aug 27, 2024 · US
Structure for manufacturing cast article
US-2023405666-A1 · Dec 21, 2023 · US
Production of foundry premix composition
US-11780782-B2 · Oct 10, 2023 · US
Coating composition embodiments for use in investment casting methods
US-11724306-B1 · Aug 15, 2023 · US
Hydraulic composition for additive manufacturing device, and process for producing casting mold
US-11655190-B2 · May 23, 2023 · US
Casting core for casting moulds, and method for the production thereof
US-11590564-B2 · Feb 28, 2023 · US
Structure for producing cast
US-11590560-B2 · Feb 28, 2023 · US
Casting elements and methods of making the same using low temperature solidification
US-2023036173-A1 · Feb 2, 2023 · US
Casting slurry for the production of shell molds
US-2022048097-A1 · Feb 17, 2022 · US
Production of foundry premix composition
US-2022041517-A1 · Feb 10, 2022 · US
A molding comprising a zeolitic material having framework type mfi
US-2021346942-A1 · Nov 11, 2021 · US
Recovering sand, bentonite and organics from foundry sand waste
US-2021292224-A1 · Sep 23, 2021 · US
Expandable aggregate mixture for molds, mold, and method for manufacturing mold
US-11110510-B2 · Sep 7, 2021 · US
Expandable aggregate mixture for molds, mold, and method for manufacturing mold
US-2021170476-A1 · Jun 10, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22C1/181?
- CPC B22C1/181 is the Cooperative Patent Classification code for “Cements, oxides or clays.”
- How many patents are filed under CPC B22C1/181 (Cements, oxides or clays)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC B22C1/181 growing?
- Publication counts under this code: 1 in 2024 vs 6 in 2025 (latest complete years).