Pre-impregnated rovings for composite material
US-2023391678-A1 · Dec 7, 2023 · US
Silica or silicates
Silica or silicates · 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 | C04B35/62849 |
| Official title | {Silica or silicates} |
| Display label | Silica or silicates |
| Total patents | 80 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 11 |
| 2019 | 11 |
| 2020 | 6 |
| 2021 | 9 |
| 2022 | 3 |
| 2023 | 9 |
| 2024 | 9 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Oxidation-resistant fiber coatings and related methods
US-11780780-B2 · Oct 10, 2023 · US
METHODS OF FORMING SiAlON IN CARBON/CARBON COMPOSITES
US-2023242454-A1 · Aug 3, 2023 · US
Microstructured fiber interface coatings for composites
US-2023167030-A1 · Jun 1, 2023 · US
Ceramic foam-fiber composites, methods of making same, and uses thereof
US-2023061063-A1 · Mar 2, 2023 · US
Microstructured fiber interface coatings for composites
US-11565977-B2 · Jan 31, 2023 · US
Method for treating silicon carbide fibres
US-11498877-B2 · Nov 15, 2022 · US
Hybrid woven fiber preform-reinforced composite material and preparation method thereof
US-2022194863-A1 · Jun 23, 2022 · US
Method for producing a consolidated fiber preform
US-11332411-B2 · May 17, 2022 · US
Forming features in additively manufactured composite materials using sacrificial support materials
US-11198253-B2 · Dec 14, 2021 · US
Oxidation-resistant fiber coatings and related methods
US-2021340067-A1 · Nov 4, 2021 · US
Composite part with smooth outer face and manufacturing method thereof
US-11141960-B2 · Oct 12, 2021 · US
Filament wound high denier aluminum oxide fiber components and methods of making
US-2021269367-A1 · Sep 2, 2021 · US
Method to achieve a smooth surface with precise tolerance control for a complex (non-flat) geometry
US-2021147302-A1 · May 20, 2021 · US
Microstructured fiber interface coatings for composites
US-2021139381-A1 · May 13, 2021 · US
Methods of forming ceramic matrix composites using sacrificial fibers and non-wetting coating
US-10995039-B1 · May 4, 2021 · US
Forming features in additively manufactured composite materials using sacrificial support materials
US-2021060866-A1 · Mar 4, 2021 · US
High temperature fiber, method of making and high temperature fiber composites
US-2021039999-A1 · Feb 11, 2021 · US
Method for treating silicon carbide fibres
US-2020377416-A1 · Dec 3, 2020 · US
Method for producing a consolidated fiber preform
US-2020370170-A1 · Nov 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B35/62849?
- CPC C04B35/62849 is the Cooperative Patent Classification code for “Silica or silicates.”
- How many patents are filed under CPC C04B35/62849 (Silica or silicates)?
- Our database includes 80 publications tagged with this CPC code.
- Is patent activity under CPC C04B35/62849 growing?
- Publication counts under this code: 9 in 2024 vs 6 in 2025 (latest complete years).