Heat-resistant coat member packaged body, and method for packaging heat-resistant coat member
US-12584213-B2 · Mar 24, 2026 · US
Boron carbide
Boron carbide · 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 | C04B41/5058 |
| Official title | {Boron carbide} |
| Display label | Boron carbide |
| Total patents | 37 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Oxidation protection systems and methods
US-12448679-B2 · Oct 21, 2025 · US
High temperature oxidation protection for composites
US-12397907-B2 · Aug 26, 2025 · US
High temperature oxidation protection for carbon-carbon composites
US-12330996-B2 · Jun 17, 2025 · US
High temperature oxidation protection for composites
US-2025178977-A1 · Jun 5, 2025 · US
Barrier coating
US-2025101234-A1 · Mar 27, 2025 · US
Barrier coating
US-2025101235-A1 · Mar 27, 2025 · US
High temperature oxidation protection for composites
US-12246994-B2 · Mar 11, 2025 · US
Composite Component Modifications
US-2025027414-A1 · Jan 23, 2025 · US
Composite component modifications
US-12152500-B2 · Nov 26, 2024 · US
High temperature oxidation protection for composites
US-11873260-B2 · Jan 16, 2024 · US
Oxidation protection systems and methods
US-2023357917-A1 · Nov 9, 2023 · US
Heat-resistant coat member packaged body, and method for packaging heat-resistant coat member
US-2023304148-A1 · Sep 28, 2023 · US
Oxidation protection systems and methods
US-11739413-B2 · Aug 29, 2023 · US
Oxidation protection with improved water resistance for composites
US-2023257313-A1 · Aug 17, 2023 · US
High temperature oxidation protection for composites
US-2023211875-A1 · Jul 6, 2023 · US
High temperature oxidation protection for composites
US-11634213-B2 · Apr 25, 2023 · US
Ceramic component and plasma etching apparatus comprising same
US-2022380263-A1 · Dec 1, 2022 · US
High temperature oxidation protection for carbon-carbon composites
US-2022356123-A1 · Nov 10, 2022 · US
High temperature oxidation protection for composites
US-2022356122-A1 · Nov 10, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B41/5058?
- CPC C04B41/5058 is the Cooperative Patent Classification code for “Boron carbide.”
- How many patents are filed under CPC C04B41/5058 (Boron carbide)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC C04B41/5058 growing?
- Publication counts under this code: 2 in 2024 vs 8 in 2025 (latest complete years).