Protection against oxidation or corrosion of a hollow part made of a superalloy
US-12454891-B2 · Oct 28, 2025 · US
Devices for coating moulds or cores
Devices for coating moulds or cores · 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 | B22C23/02 |
| Official title | Devices for coating moulds or cores |
| Display label | Devices for coating moulds or cores |
| Total patents | 28 |
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 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for coating a refractory alloy part, and the part thus coated
US-2024246140-A1 · Jul 25, 2024 · US
Die molding surface treatment device
US-11986878-B2 · May 21, 2024 · US
Protection against oxidation or corrosion of a hollow part made of a superalloy
US-2023304409-A1 · Sep 28, 2023 · US
Apparatus for supporting wax pattern during investment casting
US-11738386-B2 · Aug 29, 2023 · US
Apparatus for supporting wax pattern during investment casting
US-2023150015-A1 · May 18, 2023 · US
Fluid blow-out structure
US-11642722-B2 · May 9, 2023 · US
Method and apparatus for supporting wax pattern during investment casting
US-11498117-B1 · Nov 15, 2022 · US
Surface treatment device
US-2022267922-A1 · Aug 25, 2022 · US
Surface treatment device
US-11371158-B2 · Jun 28, 2022 · US
Fluid blow-out structure
US-2022152696-A1 · May 19, 2022 · US
Mold paint-spraying device
US-11203029-B2 · Dec 21, 2021 · US
Die molding surface treatment device
US-2021268572-A1 · Sep 2, 2021 · US
Core blowing apparatus for robotic system
US-11103918-B2 · Aug 31, 2021 · US
Device and Method for Spraying Mold-Releasing Agent
US-2021069776-A1 · Mar 11, 2021 · US
Surface treatment device
US-2020407868-A1 · Dec 31, 2020 · US
Mold paint-spraying device
US-2020406282-A1 · Dec 31, 2020 · US
Casting device, method for detecting leakage of refrigerant in casting device, and leakage detection device
US-10828694-B2 · Nov 10, 2020 · US
Boron nitride coatings for metal processing and methods of using the same
US-2020261969-A1 · Aug 20, 2020 · US
High temperature heat-resistant oil-based release agent, high temperature heat-resistant electrostatic application-type oil-based release agent, and application method therefor
US-10711220-B2 · Jul 14, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22C23/02?
- CPC B22C23/02 is the Cooperative Patent Classification code for “Devices for coating moulds or cores.”
- How many patents are filed under CPC B22C23/02 (Devices for coating moulds or cores)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC B22C23/02 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).