Environmental barrier coating
US-2023416538-A1 · Dec 28, 2023 · US
Porous coatings, e.g. coating containing porous fillers
Porous coatings, e.g. coating containing porous fillers · 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 | C04B41/4582 |
| Official title | {Porous coatings, e.g. coating containing porous fillers} |
| Display label | Porous coatings, e.g. coating containing porous fillers |
| Total patents | 73 |
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 | 6 |
| 2016 | 7 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 9 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 8 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Honeycomb filter
US-2023347274-A1 · Nov 2, 2023 · US
Method to process a ceramic matrix composite (CMC) with a protective ceramic coating
US-11787159-B2 · Oct 17, 2023 · US
Bond coatings having a molten silicon-phase contained between refractory layers
US-11639315-B2 · May 2, 2023 · US
Methods for fabricating protective coating systems for gas turbine engine applications
US-11623896-B2 · Apr 11, 2023 · US
Segmented flexible gel composites and rigid panels manufactured therefrom
US-11517870-B2 · Dec 6, 2022 · US
Turbine engine part coated in a thermal barrier, and a method of obtaining it
US-11466370-B2 · Oct 11, 2022 · US
Bond coatings having a silicon-phase contained within a refractory phase
US-11401217-B2 · Aug 2, 2022 · US
Protective coating systems for gas turbine engine applications
US-11370717-B2 · Jun 28, 2022 · US
Outer periphery coating material, outer periphery coated honeycomb structure and dust collecting filter
US-11266942-B2 · Mar 8, 2022 · US
Hafnon and Zircon Environmental Barrier Coatings for Silicon-Based Components
US-2022048828-A1 · Feb 17, 2022 · US
Methods in forming temperature resistant inorganic nano-scale membrane layer for improved high temperature filtration
US-2022008852-A1 · Jan 13, 2022 · US
Porous ceramic laminate and method for producing same
US-2021395157-A1 · Dec 23, 2021 · US
Method for manufacturing a porous abradable coating made of ceramic material
US-2021340069-A1 · Nov 4, 2021 · US
Environmental barrier coating
US-2021331984-A1 · Oct 28, 2021 · US
Porous support, method for manufacturing porous support, separation membrane structure, and method for manufacturing separation membrane structure
US-11135553-B2 · Oct 5, 2021 · US
Segmented flexible gel composites and rigid panels manufactured therefrom
US-11118026-B2 · Sep 14, 2021 · US
Segmented flexible gel composites and rigid panels manufactured therefrom
US-11053369-B2 · Jul 6, 2021 · US
Method to process a ceramic matrix composite (CMC) with a protective ceramic coating
US-11001532-B2 · May 11, 2021 · US
Sintered body and electrostatic chuck
US-10998216-B2 · May 4, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B41/4582?
- CPC C04B41/4582 is the Cooperative Patent Classification code for “Porous coatings, e.g. coating containing porous fillers.”
- How many patents are filed under CPC C04B41/4582 (Porous coatings, e.g. coating containing porous fillers)?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC C04B41/4582 growing?
- Publication counts under this code: 8 in 2024 vs 3 in 2025 (latest complete years).