Process for Utilizing Off-Color Filament Yarns
US-2026055538-A1 · Feb 26, 2026 · US
with coloured effects, i.e. by differential dyeing process
with coloured effects, i.e. by differential dyeing process · 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 | D02G3/346 |
| Official title | {with coloured effects, i.e. by differential dyeing process} |
| Display label | with coloured effects, i.e. by differential dyeing process |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 8 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods to provide color enhanced yarns
US-2026043175-A1 · Feb 12, 2026 · US
Systems and methods to provide color enhanced yarns
US-12473667-B2 · Nov 18, 2025 · US
Systems and methods for producing a bundle of filaments and/or a yarn
US-2025250719-A1 · Aug 7, 2025 · US
Systems and methods for producing a bundle of filaments and/or a yarn
US-12291799-B2 · May 6, 2025 · US
Alternating color fabric
US-12276047-B2 · Apr 15, 2025 · US
Systems and methods for producing a bundle of filaments and/or a yarn
US-2025051975-A1 · Feb 13, 2025 · US
Systems and methods for producing a bundle of filaments and/or a yarn
US-2024384445-A1 · Nov 21, 2024 · US
Systems and methods for producing a bundle of filaments and/or a yarn
US-12071713-B2 · Aug 27, 2024 · US
Color-changing fabric and applications
US-2024263362-A1 · Aug 8, 2024 · US
Method of manufacturing yarn and yarn obtained in that manner
US-2024191404-A1 · Jun 13, 2024 · US
Color-changing fabric and applications
US-11976389-B2 · May 7, 2024 · US
Fabric Items Having Strands With Inner and Outer Layers
US-2023392302-A1 · Dec 7, 2023 · US
Color-changing fabric having printed pattern
US-11708649-B2 · Jul 25, 2023 · US
Textiles and garments formed using yarns space-treated with functional finishes
US-11655567-B2 · May 23, 2023 · US
Color-changing fabric and applications
US-2022411973-A1 · Dec 29, 2022 · US
Color-changing fabric and applications
US-11479886-B2 · Oct 25, 2022 · US
Systems and methods for producing a bundle of filaments and/or a yarn
US-2021388531-A1 · Dec 16, 2021 · US
Systems and methods to provide color enhanced yarns
US-2021388539-A1 · Dec 16, 2021 · US
Systems and methods for producing a bundle of filaments and/or a yarn
US-2021388540-A1 · Dec 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D02G3/346?
- CPC D02G3/346 is the Cooperative Patent Classification code for “with coloured effects, i.e. by differential dyeing process.”
- How many patents are filed under CPC D02G3/346 (with coloured effects, i.e. by differential dyeing process)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC D02G3/346 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).