Environmental barrier coating
US-12065382-B2 · Aug 20, 2024 · US
This page is not indexed by search engines while we improve data quality.
Hafnates
Hafnates · 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 | C04B41/5044 |
| Official title | {Hafnates} |
| Display label | Hafnates |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Environmental barrier coating
US-12054427-B2 · Aug 6, 2024 · US
Calcium-magnesium aluminosilicate (CMAS) resistant thermal and environmental barrier coatings
US-11958786-B1 · Apr 16, 2024 · US
Bond coatings having a molten silicon-phase contained between refractory layers
US-11639315-B2 · May 2, 2023 · US
Suspension plasma spray composition and process for deposition of rare earth hafnium tantalate based coatings
US-2022380269-A1 · Dec 1, 2022 · US
Chemical and topological surface modification to enhance coating adhesion and compatibility
US-10934220-B2 · Mar 2, 2021 · US
Advanced high temperature and fatigue resistant environmental barrier coating bond coat systems for SiC/SiC ceramic matrix composites
US-10774682-B2 · Sep 15, 2020 · US
Advanced high temperature environmental barrier coating for SiC/SiC ceramic matrix composites
US-10604454-B1 · Mar 31, 2020 · US
Chemical and topological surface modification to enhance coating adhesion and compatibility
US-2020055788-A1 · Feb 20, 2020 · US
Multilayer environmental barrier coatings
US-10351480-B2 · Jul 16, 2019 · US
Method for protecting a hybrid ceramic structure from moisture attack in a high temperature environment
US-10112875-B2 · Oct 30, 2018 · US
Hot corrosion-resistant coatings and components protected therewith
US-9945036-B2 · Apr 17, 2018 · US
Method for fabricating multilayer environmental barrier coatings
US-9598777-B2 · Mar 21, 2017 · US
Recession resistant ceramic matrix composites and environmental barrier coatings
US-2016160664-A1 · Jun 9, 2016 · US
Structure and method for protecting a hybrid ceramic structure from moisture attack in a high temperature environment
US-9328028-B2 · May 3, 2016 · US
Dense protective coatings, methods for their preparation and coated articles
US-9221720-B2 · Dec 29, 2015 · US
Article having thermal barrier coating
US-9051652-B2 · Jun 9, 2015 · US