Polyamide nanofiber nonwovens
US-2018371656-A1 · Dec 27, 2018 · US
characterised by the fineness
characterised by the fineness · 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 | D04H3/016 |
| Official title | characterised by the fineness |
| Display label | characterised by the fineness |
| Total patents | 213 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 12 |
| 2017 | 21 |
| 2018 | 20 |
| 2019 | 19 |
| 2020 | 24 |
| 2021 | 28 |
| 2022 | 17 |
| 2023 | 14 |
| 2024 | 22 |
| 2025 | 13 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing a structured microfilament nonwoven
US-2018245252-A1 · Aug 30, 2018 · US
Net-like structure having excellent low resilience characteristics
US-2018237968-A1 · Aug 23, 2018 · US
Polypeptide electrospun nanofibrils of defined composition
US-9963805-B2 · May 8, 2018 · US
Technical packaging material
US-2018057984-A1 · Mar 1, 2018 · US
Polypeptide electrospun nanofibrils of defined composition
US-9869038-B2 · Jan 16, 2018 · US
Separator for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery utilizing same, and manufacturing methods of same
US-9825268-B2 · Nov 21, 2017 · US
Non-woven fabric, non-woven fabric producing method and acoustic absorbent
US-2017327983-A1 · Nov 16, 2017 · US
Biomedical patches with aligned fibers
US-2017319323-A1 · Nov 9, 2017 · US
Bulk fill material
US-2017298548-A1 · Oct 19, 2017 · US
High melting point resin fibers and nonwoven fabric
US-2017298535-A1 · Oct 19, 2017 · US
Conductive nonwoven fabric and method of producing meltblown nonwoven fabric used in conductive nonwoven fabric
US-2017275793-A1 · Sep 28, 2017 · US
Forcespinning of fibers and filaments
US-2017254005-A1 · Sep 7, 2017 · US
Base material for artificial leather and process for producing the same
US-9752260-B2 · Sep 5, 2017 · US
Spunbond Polycarbonate Resin Filter Media
US-2017225104-A1 · Aug 10, 2017 · US
Spunbonded nonwoven fabrics
US-9693912-B2 · Jul 4, 2017 · US
Microfiber nonwoven composite
US-2017182735-A1 · Jun 29, 2017 · US
Blended filament nonwoven fabric
US-9662601-B2 · May 30, 2017 · US
Use of continuous filament nonwoven fabrics to prevent the escape of down in textile products filled with down
US-2017130378-A1 · May 11, 2017 · US
Non-woven fiber fabric, and production method and production device therefor
US-2017065917-A1 · Mar 9, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D04H3/016?
- CPC D04H3/016 is the Cooperative Patent Classification code for “characterised by the fineness.”
- How many patents are filed under CPC D04H3/016 (characterised by the fineness)?
- Our database includes 213 publications tagged with this CPC code.
- Is patent activity under CPC D04H3/016 growing?
- Publication counts under this code: 22 in 2024 vs 13 in 2025 (latest complete years).