Optical fiber protective composite coating
US-2024264397-A1 · Aug 8, 2024 · US
Carbon
Carbon · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B29K2307/04 |
| Official title | Carbon |
| Display label | Carbon |
| Total patents | 2,597 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 126 |
| 2016 | 221 |
| 2017 | 253 |
| 2018 | 248 |
| 2019 | 332 |
| 2020 | 307 |
| 2021 | 290 |
| 2022 | 240 |
| 2023 | 196 |
| 2024 | 185 |
| 2025 | 176 |
| 2026 | 23 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fiber-reinforced resin sheet, integrated molded product and process for producing same
US-2015376353-A1 · Dec 31, 2015 · US
Dry fibrous tape for manufacturing preform
US-2015375461-A1 · Dec 31, 2015 · US
Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
US-9216083-B2 · Dec 22, 2015 · US
Long fiber thermoplastic helmet inserts and helmets and methods of making each
US-2015360397-A1 · Dec 17, 2015 · US
Method for manufacturing automotive resin part and manufacturing device of automotive resin part
US-2015352774-A1 · Dec 10, 2015 · US
Stretchable conductive composites for use in soft devices
US-2015357078-A1 · Dec 10, 2015 · US
Method for manufacturing carbon fiber panels stiffened with omega stringers
US-2015343715-A1 · Dec 3, 2015 · US
Electronic device and method of manufacturing a housing for the same
US-2015349405-A1 · Dec 3, 2015 · US
Method for preparing continuous carbon fiber-reinforced thermoplastic prepreg
US-2015336369-A1 · Nov 26, 2015 · US
Apparatus for carbon fiber processing and pitch densification
US-9193113-B2 · Nov 24, 2015 · US
Fibrous substrate, manufacturing process and uses of such a fibrous substrate
US-2015322622-A1 · Nov 12, 2015 · US
Process for manufacturing articles in carbon fiber and article manufactured with this process
US-9180627-B2 · Nov 10, 2015 · US
Method and device for the production of tubular structural components
US-9180628-B2 · Nov 10, 2015 · US
Pellet mixture, carbon fiber-reinforced polypropylene resin composition, molded body, and method for producing pellet mixture
US-2015315371-A1 · Nov 5, 2015 · US
Process for the production of storage-stable epoxy prepregs, and composites produced therefrom, based on epoxides and acids amenable to free-radical polymerisation
US-2015306790-A1 · Oct 29, 2015 · US
Curable compositions, processes for using such compositions to prepare composites and processes for preparing composites having superior surface finish and high fiber consolidation
US-9168703-B2 · Oct 27, 2015 · US
Joining Composite Components Using Low Temperature Thermoplastic Film Fusion
US-2015298388-A1 · Oct 22, 2015 · US
Method for forming fuselage stringers
US-9162396-B2 · Oct 20, 2015 · US
Spar cap assembly for a wind turbine rotor blade
US-2015292479-A1 · Oct 15, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29K2307/04?
- CPC B29K2307/04 is the Cooperative Patent Classification code for “Carbon.”
- How many patents are filed under CPC B29K2307/04 (Carbon)?
- Our database includes 2,597 publications tagged with this CPC code.
- Is patent activity under CPC B29K2307/04 growing?
- Publication counts under this code: 185 in 2024 vs 176 in 2025 (latest complete years).