Recovering sand, bentonite and organics from foundry sand waste
US-12350734-B2 · Jul 8, 2025 · US
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of organic agents
of organic agents · 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 | B22C1/20 |
| Official title | of organic agents |
| Display label | of organic agents |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 6 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Spherical Fused Silica Compositions for Injection Molded Ceramic Cores and Methods of Making Parts Using Such Compositions
US-2025187064-A1 · Jun 12, 2025 · US
Spherical fused silica compositions for injection molded ceramic cores and methods of making parts using such compositions
US-12017268-B2 · Jun 25, 2024 · US
Certain-shaped joint material for hot installation
US-11925980-B2 · Mar 12, 2024 · US
Spherical Fused Silica Compositions for Injection Molded Ceramic Cores and Methods of Making Parts Using Such Compositions
US-2023339013-A1 · Oct 26, 2023 · US
Casting core for casting moulds, and method for the production thereof
US-11590564-B2 · Feb 28, 2023 · US
Hydraulic composition for additive manufacturing device and method of manufacturing casting mold
US-11173539-B2 · Nov 16, 2021 · US
Certain-shaped joint material for hot installation
US-2021339312-A1 · Nov 4, 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
Use of amine blends for foundry shaped cores and casting metals
US-2021039158-A1 · Feb 11, 2021 · US
Use of amine blends for foundry shaped cores and casting metals
US-10828696-B2 · Nov 10, 2020 · US
Apparatus and method for investment casting core manufacture
US-10695826-B2 · Jun 30, 2020 · US
Hydraulic composition for additive manufacturing device and method of manufacturing casting mold
US-2020180013-A1 · Jun 11, 2020 · US
Apparatus and method for investment casting core manufacture
US-2019015893-A1 · Jan 17, 2019 · US
Use of amine blends for foundry shaped cores and casting metals
US-2018272421-A1 · Sep 27, 2018 · US
Casting green sand mold for forming cast steel article and its production method, and method for producing cast steel article using such green sand mold
US-2017080481-A1 · Mar 23, 2017 · US
Use of amine blends for foundry shaped cores and casting metals
US-2016067768-A1 · Mar 10, 2016 · US
Investment casting shells having an organic component
US-9227241-B2 · Jan 5, 2016 · US