Overlay coating resistant to molten calcium-magnesium-alumino-silicate
US-12577176-B2 · Mar 17, 2026 · US
Multiple coating or impregnation with materials having the same composition but different characteristics
Multiple coating or impregnation with materials having the same composition but different characteristics · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B41/526 |
| Official title | {Multiple coating or impregnation with materials having the same composition but different characteristics} |
| Display label | Multiple coating or impregnation with materials having the same composition but different characteristics |
| Total patents | 46 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Refractory carbide multilayer
US-12392041-B2 · Aug 19, 2025 · US
Process for manufacturing a silicon carbide coated body
US-2025197303-A1 · Jun 19, 2025 · US
Environmental barrier coating
US-12312281-B2 · May 27, 2025 · US
CMAS-resistant environmental barrier coating system
US-12227464-B2 · Feb 18, 2025 · US
Thermal insulation material and method for producing thermal insulation material
US-2024400464-A1 · Dec 5, 2024 · US
Overlay coating resistant to molten calcium-magnesium-alumino-silicate
US-2024327308-A1 · Oct 3, 2024 · US
Plasma spray physical vapor deposition deposited in multilayer, multi-microstructure environmental barrier coating
US-12006567-B2 · Jun 11, 2024 · US
Hafnon and Zircon Environmental Barrier Coatings for Silicon-Based Components
US-2024182372-A1 · Jun 6, 2024 · US
Method for manufacturing an environmental barrier
US-11976355-B2 · May 7, 2024 · US
Hafnon and zircon environmental barrier coatings for silicon-based components
US-11866379-B2 · Jan 9, 2024 · US
Thermal barrier coatings for components in high-temperature mechanical systems
US-11851770-B2 · Dec 26, 2023 · US
Dual application of roofing granules to bituminous roofing material
US-2023357083-A1 · Nov 9, 2023 · US
Environmental barrier coating
US-2023312428-A1 · Oct 5, 2023 · US
Refractory carbide multilayer
US-2023304162-A1 · Sep 28, 2023 · US
Method for manufacturing an environmental barrier
US-2023287563-A1 · Sep 14, 2023 · US
Cmas-resistant environmental barrier coating system
US-2022371967-A1 · Nov 24, 2022 · US
Part comprising a substrate and an environmental barrier
US-11505508-B2 · Nov 22, 2022 · US
Hafnon and Zircon Environmental Barrier Coatings for Silicon-Based Components
US-2022048828-A1 · Feb 17, 2022 · US
Surface layer on a ceramic matrix composite
US-11198651-B2 · Dec 14, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B41/526?
- CPC C04B41/526 is the Cooperative Patent Classification code for “Multiple coating or impregnation with materials having the same composition but different characteristics.”
- How many patents are filed under CPC C04B41/526 (Multiple coating or impregnation with materials having the same composition but different characteristics)?
- Our database includes 46 publications tagged with this CPC code.
- Is patent activity under CPC C04B41/526 growing?
- Publication counts under this code: 6 in 2024 vs 4 in 2025 (latest complete years).