Molding core for manufacturing a hollow OMC part
US-12528234-B2 · Jan 20, 2026 · US
Finishing
Finishing · 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 | B22C9/18 |
| Official title | Finishing |
| Display label | Finishing |
| Total patents | 58 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 9 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 7 |
| 2022 | 7 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Casting core
US-2026001121-A1 · Jan 1, 2026 · US
Materials, methods and techniques for surface alloying sand casted articles
US-12420332-B2 · Sep 23, 2025 · US
Casting Core Post and Socket Joint
US-2025065396-A1 · Feb 27, 2025 · US
Foundry core for manufacturing a hollow metal aeronautical part
US-12121955-B1 · Oct 22, 2024 · US
Improved foundry core for manufacturing a hollow metal aeronautical part
US-2024342787-A1 · Oct 17, 2024 · US
Improved molding core for manufacturing a hollow omc part
US-2024342963-A1 · Oct 17, 2024 · US
Method for coating a refractory alloy part, and the part thus coated
US-2024246140-A1 · Jul 25, 2024 · US
Multi-path internal microporous efficient refrigeration method and device for frozen sand mold
US-11945026-B1 · Apr 2, 2024 · US
Method and casting core for forming a landing for welding a baffle inserted in an airfoil
US-11707779-B2 · Jul 25, 2023 · US
Mold processing system and mold processing method
US-11554412-B2 · Jan 17, 2023 · US
Refractory metal core finishing technique
US-11529674-B2 · Dec 20, 2022 · US
Surface modification using abrasive blasting
US-11458591-B2 · Oct 4, 2022 · US
Layered slab manufacturing system and method
US-11364536-B1 · Jun 21, 2022 · US
Manufacturing method for finishing of ceramic cores flash
US-11318527-B2 · May 3, 2022 · US
Materials, methods and techniques for surface alloying sand casted articles
US-2022126357-A1 · Apr 28, 2022 · US
Mold processing system and mold processing method
US-2022001440-A1 · Jan 6, 2022 · US
Core pattern reformer tool
US-11213882-B2 · Jan 4, 2022 · US
Method and casting core for forming a landing for welding a baffle inserted in an airfoil
US-2021402465-A1 · Dec 30, 2021 · US
Manufacturing method for finishing of ceramic cores flash
US-2021237146-A1 · Aug 5, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22C9/18?
- CPC B22C9/18 is the Cooperative Patent Classification code for “Finishing.”
- How many patents are filed under CPC B22C9/18 (Finishing)?
- Our database includes 58 publications tagged with this CPC code.
- Is patent activity under CPC B22C9/18 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).