Carbon fiber bundle with adhered sizing agent
US-12428778-B2 · Sep 30, 2025 · US
by physicochemical methods
by physicochemical methods · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D01F11/16 |
| Official title | by physicochemical methods |
| Display label | by physicochemical methods |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 3 |
| 2017 | 9 |
| 2018 | 1 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of forming a diamond coating on a carbon material
US-12392027-B2 · Aug 19, 2025 · US
Carbon fiber bundle and production method therefor
US-2024337048-A1 · Oct 10, 2024 · US
Carbon fiber bundle containing sizing agent and method for producing same
US-2024328038-A1 · Oct 3, 2024 · US
Compositions with coated carbon fibers and methods for manufacturing compositions with coated carbon fibers
US-11976178-B2 · May 7, 2024 · US
Carbon fiber bundle with adhered sizing agent
US-2023272577-A1 · Aug 31, 2023 · US
Sizing agent composition, method for producing carbon fibers, and carbon fibers each having sizing agent applied thereonto
US-11692302-B2 · Jul 4, 2023 · US
Insertion of catalyst into dry carbon fibers prior to resin impregnation
US-11578432-B2 · Feb 14, 2023 · US
Method for manufacturing carbon fiber and carbon fiber composite bottle
US-2023042724-A1 · Feb 9, 2023 · US
A method of forming a diamond coating on a carbon material
US-2022127720-A1 · Apr 28, 2022 · US
Method for enhancing tensile strength of carbon nanotube fiber aggregate
US-11312628-B2 · Apr 26, 2022 · US
Electrochemical grafting of carbon fibers with aliphatic amines for improved composite strength
US-11225754-B2 · Jan 18, 2022 · US
Recessed carbon nanotube article and method for making same
US-10989602-B2 · Apr 27, 2021 · US
Sizing agent composition, method for producing carbon fibers, and carbon fibers each having sizing agent applied thereonto
US-2021071356-A1 · Mar 11, 2021 · US
Composite carbon fibers
US-10894868-B2 · Jan 19, 2021 · US
Electrochemical grafting of carbon fibers with aliphatic amines for improved composite strength
US-2020378059-A1 · Dec 3, 2020 · US
Device for producing carbon nanotube fibers and method for producing carbon nanotube fibers using same
US-10774449-B2 · Sep 15, 2020 · US
Manufacturing method for carbonfiber grown metal oxide
US-10655238-B2 · May 19, 2020 · US
Carbon cord for reinforced rubber products and the products
US-10626546-B2 · Apr 21, 2020 · US
Method for enhancing tensile strength of carbon nanotube fiber aggregate
US-2020055734-A1 · Feb 20, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01F11/16?
- CPC D01F11/16 is the Cooperative Patent Classification code for “by physicochemical methods.”
- How many patents are filed under CPC D01F11/16 (by physicochemical methods)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC D01F11/16 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).