Device comprising a low dielectric loss borosilicate glass substrate and methods of making the same
US-2024400438-A1 · Dec 5, 2024 · US
based on silicon nitride
based on 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 | C04B35/584 |
| Official title | based on silicon nitride |
| Display label | based on silicon nitride |
| Total patents | 661 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 61 |
| 2016 | 50 |
| 2017 | 47 |
| 2018 | 63 |
| 2019 | 67 |
| 2020 | 65 |
| 2021 | 59 |
| 2022 | 57 |
| 2023 | 59 |
| 2024 | 69 |
| 2025 | 54 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High temperature fiber and method of making
US-2024368041-A1 · Nov 7, 2024 · US
Electrostatic chuck
US-2024297063-A1 · Sep 5, 2024 · US
Dense protective coatings, methods for their preparation and coated articles
US-9221720-B2 · Dec 29, 2015 · US
Encapsulated ceramic armor
US-RE45830-E · Dec 29, 2015 · US
Cutting tool
US-2015367421-A1 · Dec 24, 2015 · US
Honeycomb filter
US-9217344-B2 · Dec 22, 2015 · US
Method for producing a powdered precursor material, powdered precursor material and use thereof
US-2015361339-A1 · Dec 17, 2015 · US
Glass-ceramics composite material
US-9212085-B2 · Dec 15, 2015 · US
Erosion resistant hard composite materials
US-2015354283-A1 · Dec 10, 2015 · US
Methods for manufacturing particulate filters
US-9205362-B2 · Dec 8, 2015 · US
Dielectric material
US-2015340121-A1 · Nov 26, 2015 · US
Nitride-Based Red-Emitting Phosphors in RGB (Red-Green-Blue) Lighting Systems
US-2015315464-A1 · Nov 5, 2015 · US
Thermal spraying of ceramic materials
US-2015307980-A1 · Oct 29, 2015 · US
Porous mullite bodies having improved thermal stability
US-2015299045-A1 · Oct 22, 2015 · US
Process for producing metallic or ceramic shaped bodies
US-9162927-B2 · Oct 20, 2015 · US
Fiber-reinforced turbine component
US-2015292340-A1 · Oct 15, 2015 · US
Circuit board and electronic apparatus provided with the same
US-9161444-B2 · Oct 13, 2015 · US
Porous mullite bodies having improved thermal stability
US-2015284294-A1 · Oct 8, 2015 · US
Part consisting of a ceramic material, comprising a base and a wall
US-2015285084-A1 · Oct 8, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B35/584?
- CPC C04B35/584 is the Cooperative Patent Classification code for “based on silicon nitride.”
- How many patents are filed under CPC C04B35/584 (based on silicon nitride)?
- Our database includes 661 publications tagged with this CPC code.
- Is patent activity under CPC C04B35/584 growing?
- Publication counts under this code: 69 in 2024 vs 54 in 2025 (latest complete years).