Expandable methyl methacrylate resin particles, methyl methacrylate resin pre-expanded particles, methyl methacrylate expansion-molded body, and method for producing expandable methyl methacrylate resin particles
US-12338337-B2 · Jun 24, 2025 · US
Patterns made from expanded plastic materials
Patterns made from expanded plastic materials · 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 | B22C7/023 |
| Official title | {Patterns made from expanded plastic materials} |
| Display label | Patterns made from expanded plastic materials |
| Total patents | 61 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 13 |
| 2017 | 16 |
| 2018 | 10 |
| 2019 | 7 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 2 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing a helical casting pattern
US-12151425-B2 · Nov 26, 2024 · US
3-D printable expendable lost foam pattern
US-12012495-B1 · Jun 18, 2024 · US
Three-dimensional modeling pattern material, cured product, cubic molded article, and method for producing mold by using said cubic molded article
US-2022325023-A1 · Oct 13, 2022 · US
Expandable methyl methacrylate resin particles, methyl methacrylate resin pre-expanded particles, methyl methacrylate expansion-molded body, and method for producing expandable methyl methacrylate resin particles
US-2022010090-A1 · Jan 13, 2022 · US
Method and device for producing a helical metal body
US-2021346938-A1 · Nov 11, 2021 · US
Method and assembly for forming components using a jacketed core
US-10981221-B2 · Apr 20, 2021 · US
Method for producing a helical casting pattern
US-2021023769-A1 · Jan 28, 2021 · US
Expandable methyl methacrylate resin particles, pre-expanded particles, expansion molded article, and lost foam
US-10786848-B2 · Sep 29, 2020 · US
Evaporative pattern casting method
US-10766063-B2 · Sep 8, 2020 · US
Evaporative pattern casting method
US-2019388962-A1 · Dec 26, 2019 · US
Method and assembly for forming components using a jacketed core
US-2019217381-A1 · Jul 18, 2019 · US
Method and assembly for forming components using a jacketed core
US-10335853-B2 · Jul 2, 2019 · US
Method and assembly for forming components using a jacketed core
US-10286450-B2 · May 14, 2019 · US
Dual investment technique for solid mold casting of reticulated metal foams
US-10252326-B2 · Apr 9, 2019 · US
High-modulus coating for local stiffening of airfoil trailing edges
US-10227704-B2 · Mar 12, 2019 · US
Erosion and wear protection for composites and plated polymers
US-10214824-B2 · Feb 26, 2019 · US
Evaporate pattern casting method
US-10130989-B2 · Nov 20, 2018 · US
Open-cell reticulated foam
US-2018318873-A1 · Nov 8, 2018 · US
Evaporative pattern casting method
US-10099274-B2 · Oct 16, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22C7/023?
- CPC B22C7/023 is the Cooperative Patent Classification code for “Patterns made from expanded plastic materials.”
- How many patents are filed under CPC B22C7/023 (Patterns made from expanded plastic materials)?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC B22C7/023 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).