Carbon fiber bundle and method for producing the same
US-2020385892-A1 · Dec 10, 2020 · US
Apparatus therefor
Apparatus therefor · 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 | D01F9/32 |
| Official title | Apparatus therefor |
| Display label | Apparatus therefor |
| Total patents | 105 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 12 |
| 2017 | 12 |
| 2018 | 10 |
| 2019 | 13 |
| 2020 | 11 |
| 2021 | 11 |
| 2022 | 8 |
| 2023 | 7 |
| 2024 | 8 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing oxidized fiber bundle, method for manufacturing carbon fiber bundle, and joining apparatus
US-2020263330-A1 · Aug 20, 2020 · US
Method of cleaning oxidation oven and method of producing oxidized fiber, carbon fiber, and graphitized fiber
US-10612164-B2 · Apr 7, 2020 · US
Apparatus for manufacturing carbon fiber by using microwaves
US-2020056306-A1 · Feb 20, 2020 · US
Exhaust gas treatment method and exhaust gas treatment device
US-10502417-B2 · Dec 10, 2019 · US
Apparatus for thermally-stabilizing carbon material precursor and method for thermally-stabilizing carbon material precursor using the same
US-2019360127-A1 · Nov 28, 2019 · US
Layered carbon fiber
US-2019345645-A1 · Nov 14, 2019 · US
Modular furnace, in particular for the oxidative stabilization of a carbon fiber starting material
US-10473398-B2 · Nov 12, 2019 · US
Gas supply blowout nozzle and method of producing flame-proofed fiber and carbon fiber
US-10472738-B2 · Nov 12, 2019 · US
Method for manufacturing combined yarn bundle, and method for manufacturing carbon fiber in which resulting combined yarn bundle is used (as amended)
US-10464776-B2 · Nov 5, 2019 · US
Supply plenum for center-to-ends fiber oxidation oven
US-10458710-B2 · Oct 29, 2019 · US
Method and device for processing carbon fiber strands
US-10378125-B2 · Aug 13, 2019 · US
Heating device for producing carbon fibers
US-10337125-B2 · Jul 2, 2019 · US
Oxidation furnace
US-2019194830-A1 · Jun 27, 2019 · US
Carbon fiber manufacturing device and carbon fiber manufacturing method
US-10260173-B2 · Apr 16, 2019 · US
Oxidation furnace
US-10222122-B2 · Mar 5, 2019 · US
Carbon fiber bundle that develops high mechanical performance
US-2019040549-A1 · Feb 7, 2019 · US
Carbon fibers having improved strength and modulus and an associated method and apparatus for preparing same
US-10151051-B2 · Dec 11, 2018 · US
Method for producing carbon nanofiber composite and carbon nanofiber composite
US-2018347073-A1 · Dec 6, 2018 · US
Method and apparatus for manufacturing carbon fibers
US-2018347074-A1 · Dec 6, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01F9/32?
- CPC D01F9/32 is the Cooperative Patent Classification code for “Apparatus therefor.”
- How many patents are filed under CPC D01F9/32 (Apparatus therefor)?
- Our database includes 105 publications tagged with this CPC code.
- Is patent activity under CPC D01F9/32 growing?
- Publication counts under this code: 8 in 2024 vs 3 in 2025 (latest complete years).