Marking system for moldable substrates
US-2020399180-A1 · Dec 24, 2020 · US
Coating or impregnating of particulate or fibrous ceramic material (C04B20/10, C04B35/628 take precedence)
Coating or impregnating of particulate or fibrous ceramic material (C04B20/10, C04B35/628 take precedence) · 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 | C04B41/4584 |
| Official title | {Coating or impregnating of particulate or fibrous ceramic material (C04B20/10, C04B35/628 take precedence)} |
| Display label | Coating or impregnating of particulate or fibrous ceramic material (C04B20/10, C04B35/628 take precedence) |
| Total patents | 145 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 14 |
| 2017 | 8 |
| 2018 | 10 |
| 2019 | 14 |
| 2020 | 14 |
| 2021 | 19 |
| 2022 | 13 |
| 2023 | 18 |
| 2024 | 15 |
| 2025 | 15 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Impurity barrier layer for ceramic matrix composite substrate
US-10851026-B2 · Dec 1, 2020 · US
Densification of melt infiltrated ceramic matrix composite (cmc) articles
US-2020339483-A1 · Oct 29, 2020 · US
Apparatus and methods for gripping flexible materials
US-10800710-B2 · Oct 13, 2020 · US
Method for making ceramic matrix composite articles
US-10689299-B2 · Jun 23, 2020 · US
Coating for improved surface finish
US-2020189985-A1 · Jun 18, 2020 · US
Sound-absorbing material particle and preparation method thereof
US-10633295-B2 · Apr 28, 2020 · US
Systems and methods for forming a composite structure
US-10619274-B2 · Apr 14, 2020 · US
Cubic Boron Nitride Particle Population with Highly-Etched Particle Surface and High Toughness Index
US-2020087145-A1 · Mar 19, 2020 · US
Shaping equipment and facility for gas-phase chemical infiltration of fibrous preforms
US-2020061868-A1 · Feb 27, 2020 · US
Forming a surface layer of a ceramic matrix composite article
US-2019389782-A1 · Dec 26, 2019 · US
Laser Induced Graphitization of Boron Carbide in Air
US-2019352234-A1 · Nov 21, 2019 · US
Nanocomposite coated proppants and methods of making and use thereof
US-2019345377-A1 · Nov 14, 2019 · US
Nanolaminate fiber interface coatings for composites
US-2019322595-A1 · Oct 24, 2019 · US
Guanidine-functionalized perlite particles, articles containing the particles, and methods of using the particles and articles
US-10427131-B2 · Oct 1, 2019 · US
Forming a surface layer of a ceramic matrix composite article
US-10399911-B2 · Sep 3, 2019 · US
Apparatus and methods for gripping flexible materials
US-2019210932-A1 · Jul 11, 2019 · US
Method for manufacturing a refractory part made of composite material
US-10328604-B2 · Jun 25, 2019 · US
Method for producing ceramic matrix composite excellent in environment resistance
US-2019152867-A1 · May 23, 2019 · US
Systems and methods for forming a composite structure
US-2019136425-A1 · May 9, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B41/4584?
- CPC C04B41/4584 is the Cooperative Patent Classification code for “Coating or impregnating of particulate or fibrous ceramic material (C04B20/10, C04B35/628 take precedence).”
- How many patents are filed under CPC C04B41/4584 (Coating or impregnating of particulate or fibrous ceramic material (C04B20/10, C04B35/628 take precedence))?
- Our database includes 145 publications tagged with this CPC code.
- Is patent activity under CPC C04B41/4584 growing?
- Publication counts under this code: 15 in 2024 vs 15 in 2025 (latest complete years).