High temperature fiber and method of making
US-2024368041-A1 · Nov 7, 2024 · US
Carbon, e.g. graphite
Carbon, e.g. graphite · 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 | C04B2235/5248 |
| Official title | Carbon, e.g. graphite |
| Display label | Carbon, e.g. graphite |
| Total patents | 868 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 44 |
| 2016 | 66 |
| 2017 | 82 |
| 2018 | 84 |
| 2019 | 83 |
| 2020 | 80 |
| 2021 | 101 |
| 2022 | 53 |
| 2023 | 86 |
| 2024 | 86 |
| 2025 | 80 |
| 2026 | 23 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cooling holes manufactured with ebc in place
US-2016348511-A1 · Dec 1, 2016 · US
Monolithic ceramic rods to enable cooling holes in cmc
US-2016348515-A1 · Dec 1, 2016 · US
Multilayered carbon-carbon composite
US-2016332416-A1 · Nov 17, 2016 · US
Fabrication and application of nanofiber ribbons and sheets and twisted and non-twisted nanofiber yarns
US-2016312387-A1 · Oct 27, 2016 · US
Ceramic article and method therefor using particle infiltration and preceramic polymer infiltration
US-2016264477-A1 · Sep 15, 2016 · US
Fabrication and application of nanofiber ribbons and sheets and twisted and non-twisted nanofiber yarns
US-2016251778-A1 · Sep 1, 2016 · US
Method for joining dissimilar engine components
US-2016236992-A1 · Aug 18, 2016 · US
Refractory metal ceramics and methods of making thereof
US-9403723-B2 · Aug 2, 2016 · US
Process and Formulation to Join Ceramic Forms While Maintaining Structural and Physical Characteristics Across The Bond Surface
US-2016185935-A1 · Jun 30, 2016 · US
Ceramic-encapsulated thermopolymer pattern or support with metallic plating
US-2016158964-A1 · Jun 9, 2016 · US
Reinforced composites, methods of manufacture, and articles therefrom
US-2016136923-A1 · May 19, 2016 · US
Fiber Architecture Optimization for Ceramic Matrix Composites
US-2016136925-A1 · May 19, 2016 · US
Method for making gas turbine engine composite structure
US-9328620-B2 · May 3, 2016 · US
Method of making a diamond particle suspension and method of making a polycrystalline diamond article therefrom
US-9283657-B2 · Mar 15, 2016 · US
Method for producing a composite material with a carbide matrix
US-2016060752-A1 · Mar 3, 2016 · US
Methods of making a composite sheet and composite component and a composite
US-9221218-B2 · Dec 29, 2015 · US
CMC blade with integral 3D woven platform
US-9212560-B2 · Dec 15, 2015 · US
Integral Ceramic Matrix Composite Fastener With Non-Polymer Rigidization
US-2015321382-A1 · Nov 12, 2015 · US
Refractory metal boride ceramics and methods of making thereof
US-2015321965-A1 · Nov 12, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B2235/5248?
- CPC C04B2235/5248 is the Cooperative Patent Classification code for “Carbon, e.g. graphite.”
- How many patents are filed under CPC C04B2235/5248 (Carbon, e.g. graphite)?
- Our database includes 868 publications tagged with this CPC code.
- Is patent activity under CPC C04B2235/5248 growing?
- Publication counts under this code: 86 in 2024 vs 80 in 2025 (latest complete years).