Core/shell filament for use with extrusion-based additive manufacturing system
US-2019381728-A1 · Dec 19, 2019 · US
from synthetic polymers
from synthetic polymers · 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 | D01F8/04 |
| Official title | from synthetic polymers |
| Display label | from synthetic polymers |
| Total patents | 217 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 12 |
| 2017 | 15 |
| 2018 | 12 |
| 2019 | 22 |
| 2020 | 26 |
| 2021 | 25 |
| 2022 | 25 |
| 2023 | 30 |
| 2024 | 20 |
| 2025 | 15 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filaments based on a coated core material
US-10501869-B2 · Dec 10, 2019 · US
Additive manufacturing method for building three-dimensional objects with core-shell arrangements, and three-dimensional objects thereof
US-10493695-B2 · Dec 3, 2019 · US
Linear bi-component filament, fiber, or tape, and method of using thereof
US-2019360125-A1 · Nov 28, 2019 · US
Filaments for use as a support material in fused deposition modeling
US-2019352804-A1 · Nov 21, 2019 · US
Glossy fiber
US-2019330769-A1 · Oct 31, 2019 · US
Conjugated fiber
US-2019203382-A1 · Jul 4, 2019 · US
Jellyfish extract nanofibers
US-2019125923-A1 · May 2, 2019 · US
Method and apparatus for fabricating conjugate fiber, and conjugate fiber fabricated thereby
US-10266967-B2 · Apr 23, 2019 · US
Reinforcing nanofiber additives
US-2018291534-A1 · Oct 11, 2018 · US
Graphene conjugate fiber and method for manufacturing same
US-2018274132-A1 · Sep 27, 2018 · US
Cloth-like heater
US-10051690-B2 · Aug 14, 2018 · US
Filaments based on a coated core material
US-2018202076-A1 · Jul 19, 2018 · US
Bicomponent spandex
US-2018195208-A1 · Jul 12, 2018 · US
Core-shell morphology of composite filaments for use in extrusion-based additive manufacturing systems
US-10011922-B2 · Jul 3, 2018 · US
Core-shell morphology of composite filaments for use in extrusion-based additive manufacturing systems
US-2018179671-A1 · Jun 28, 2018 · US
Method to Produce Micro and Nanofibers with Controlled Diameter and Large Yield
US-2018171513-A1 · Jun 21, 2018 · US
Carbon-containing aramid bicomponent filament yarns
US-2018057964-A1 · Mar 1, 2018 · US
Liquid crystal compound, liquid crystal composition, composite material with encapsulated liquid crystal, and liquid crystal display device using same
US-2018051210-A1 · Feb 22, 2018 · US
Spandex fiber having improved adhesive characteristics with hot melt adhesive and method for manufacturing same
US-2018030268-A1 · Feb 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01F8/04?
- CPC D01F8/04 is the Cooperative Patent Classification code for “from synthetic polymers.”
- How many patents are filed under CPC D01F8/04 (from synthetic polymers)?
- Our database includes 217 publications tagged with this CPC code.
- Is patent activity under CPC D01F8/04 growing?
- Publication counts under this code: 20 in 2024 vs 15 in 2025 (latest complete years).