Systems and methods for producing a bundle of filaments and/or a yarn
US-2025250719-A1 · Aug 7, 2025 · US
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while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs 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 | D01D5/28 |
| Official title | while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor |
| Display label | while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for producing a bundle of filaments and/or a yarn
US-12291799-B2 · May 6, 2025 · US
Apparatus for continuous spinning of coagulative polymeric microfibers and method for continuous spinning of coagulative polymeric microfibers using the same
US-2024229301-A9 · Jul 11, 2024 · US
Apparatus for continuous spinning of coagulative polymeric microfibers and method for continuous spinning of coagulative polymeric microfibers using the same
US-2024133080-A1 · Apr 25, 2024 · US
Process and apparatus for producing electrostatically charged fibres and an electret product
US-2023279599-A1 · Sep 7, 2023 · US
Electrospinning device and configuration method
US-11208734-B2 · Dec 28, 2021 · US
Systems and methods for producing a bundle of filaments and/or a yarn
US-2021388531-A1 · Dec 16, 2021 · US
Modified cross-section lyocell material for tobacco filter, and preparation method therefor
US-11103003-B2 · Aug 31, 2021 · US
Synthetic fill materials having composite fiber structures
US-2020115848-A1 · Apr 16, 2020 · US
Synthetic fill materials having composite fiber structures
US-10526749-B2 · Jan 7, 2020 · US
Apparatus for manufacturing carbon nanotube fiber
US-10273599-B2 · Apr 30, 2019 · US
An electrospinning device and configuration method
US-2018223451-A1 · Aug 9, 2018 · US
Perfluorosulfonic Acid Nanofibers
US-2018030188-A1 · Feb 1, 2018 · US
Perfluorosulfonic acid nanofibers
US-9868804-B1 · Jan 16, 2018 · US
Apparatus for manufacturing carbon nanotube fiber
US-2017306529-A1 · Oct 26, 2017 · US
Synthetic fill materials having composite fiber structures
US-2017175325-A1 · Jun 22, 2017 · US
Modified cross-section lyocell material for tobacco filter, and preparation method therefor
US-2017156394-A1 · Jun 8, 2017 · US
Spatially Controllable Eductor for Managing Solid Additives and Processes Using Same
US-2016354736-A1 · Dec 8, 2016 · US
Multiple fiber spinning apparatus and method for controlling same
US-9333721-B2 · May 10, 2016 · US
Non-woven fibers-in-fibers from melt-blown polymer blends
US-9211688-B1 · Dec 15, 2015 · US