Cast shaping method and cast material
US-2026077403-A1 · Mar 19, 2026 · US
Alkali metal silicates
Alkali metal silicates · 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 | B22C1/188 |
| Official title | {Alkali metal silicates} |
| Display label | Alkali metal silicates |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 7 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of manufacturing core
US-2025214132-A1 · Jul 3, 2025 · US
Binder for molding casting mold and composition for molding casting mold
US-2025058373-A1 · Feb 20, 2025 · US
Additive for forming sand mold, sand composition for forming sand mold, method for producing sand mold, and sand mold
US-12157162-B2 · Dec 3, 2024 · US
Surfactant composition for foaming sand
US-12152189-B2 · Nov 26, 2024 · US
3d printing method and molding part produced therewith using a water glass binder and ester
US-2024238865-A1 · Jul 18, 2024 · US
Inorganic coated sand
US-11958103-B2 · Apr 16, 2024 · US
Sand mold-forming additive, sand mold-forming composition, sand mold manufacturing method, and sand mold
US-2024042513-A1 · Feb 8, 2024 · US
Composition for forming casting mold and casting mold forming method
US-11845694-B2 · Dec 19, 2023 · US
Additive for forming sand mold, sand composition for forming sand mold, method for producing sand mold, and sand mold
US-2022371080-A1 · Nov 24, 2022 · US
Surfactant composition for foaming sand
US-2022228067-A1 · Jul 21, 2022 · US
Composition for forming casting mold and casting mold forming method
US-2022194855-A1 · Jun 23, 2022 · US
Expandable aggregate mixture for molds, mold, and method for manufacturing mold
US-11110510-B2 · Sep 7, 2021 · US
Inorganic coated sand
US-2021268570-A1 · Sep 2, 2021 · US
Expandable aggregate mixture for molds, mold, and method for manufacturing mold
US-2021170476-A1 · Jun 10, 2021 · US
Method of reusing core sand
US-2021129210-A1 · May 6, 2021 · US
Manufacturing method for mold adhesive, manufacturing method for mold, and mold
US-2021130237-A1 · May 6, 2021 · US
Method of reusing core sand
US-10967421-B2 · Apr 6, 2021 · US
Aggregate mixture for mold, mold, and method for shaping mold
US-2021001392-A1 · Jan 7, 2021 · US
Method of reusing core sand
US-2020238367-A1 · Jul 30, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22C1/188?
- CPC B22C1/188 is the Cooperative Patent Classification code for “Alkali metal silicates.”
- How many patents are filed under CPC B22C1/188 (Alkali metal silicates)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC B22C1/188 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).