Method of densifying a ceramic matrix composite using a filled tackifier
US-10829419-B2 · Nov 10, 2020 · US
Silicon nitride
Silicon nitride · 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 | C04B35/62871 |
| Official title | {Silicon nitride} |
| Display label | Silicon nitride |
| Total patents | 107 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 10 |
| 2017 | 13 |
| 2018 | 12 |
| 2019 | 10 |
| 2020 | 12 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 14 |
| 2024 | 6 |
| 2025 | 10 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of making a fiber preform for ceramic matrix composite (CMC) fabrication utilizing a fugitive binder
US-10822280-B2 · Nov 3, 2020 · US
Process for depositing a coating on short fibres by calefaction
US-2020331808-A1 · Oct 22, 2020 · US
Methods and apparatus for depositing materials on a continuous substrate
US-2020290932-A1 · Sep 17, 2020 · US
Insulation materials comprising fibers having a partially cured polymer coating thereon, structures including such insulation materials, and methods of insulating such structures
US-10724478-B2 · Jul 28, 2020 · US
Systems and methods for manufacturing prepreg tapes
US-10648065-B2 · May 12, 2020 · US
Method of fabricating a ceramic matrix composite
US-10544063-B2 · Jan 28, 2020 · US
Method of densifying a ceramic matrix composite using a filled tackifier
US-2019284099-A1 · Sep 19, 2019 · US
Apparatus and methods for processing ceramic fiber
US-10370292-B2 · Aug 6, 2019 · US
Method of making a fiber preform for ceramic matrix composite (cmc) fabrication utilizing a fugitive binder
US-2019185385-A1 · Jun 20, 2019 · US
Protective layer for a ceramic matrix composite article
US-2019185384-A1 · Jun 20, 2019 · US
Systems and methods for manufacturing prepreg tapes
US-2019169724-A1 · Jun 6, 2019 · US
Method for particle surface treatment of a ceramic powder and ceramic powder particles obtained by said method
US-2019112700-A1 · Apr 18, 2019 · US
Method for making ceramic matrix composite articles
US-2019100466-A1 · Apr 4, 2019 · US
Method of fabricating a ceramic matrix composite
US-2019084889-A1 · Mar 21, 2019 · US
Method for making ceramic matrix composite articles
US-10227264-B2 · Mar 12, 2019 · US
Melt infiltration with SiGa and/or siln alloys
US-10196315-B2 · Feb 5, 2019 · US
Method for combined desizing and interface coating of fibers for ceramic matrix composites
US-10093585-B2 · Oct 9, 2018 · US
Coating fibers using directed vapor deposition
US-2018244580-A1 · Aug 30, 2018 · US
Methods of processing ceramic fiber
US-10052789-B2 · Aug 21, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B35/62871?
- CPC C04B35/62871 is the Cooperative Patent Classification code for “Silicon nitride.”
- How many patents are filed under CPC C04B35/62871 (Silicon nitride)?
- Our database includes 107 publications tagged with this CPC code.
- Is patent activity under CPC C04B35/62871 growing?
- Publication counts under this code: 6 in 2024 vs 10 in 2025 (latest complete years).