Nonwoven materials with variable fiber to fiber bond density
US-2025375325-A1 · Dec 11, 2025 · US
Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length · 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 | D04H3/00 |
| Official title | Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length |
| Display label | Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length |
| Total patents | 48 |
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 | 10 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 8 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods for manufacturing fiber-modified interlayers for composite structures
US-12319012-B2 · Jun 3, 2025 · US
Filtration media
US-12023612-B2 · Jul 2, 2024 · US
Materials comprising shape memory alloy wires and methods of making these materials
US-11926719-B2 · Mar 12, 2024 · US
Creasing method, creasing apparatus, and long fiber non-woven fabric
US-11761147-B2 · Sep 19, 2023 · US
Making a nonwoven from filaments
US-11618983-B2 · Apr 4, 2023 · US
Fibrous structures exhibiting improved whiteness index values
US-11591453-B2 · Feb 28, 2023 · US
Filament reinforced tapes useful as underwater pipe wrap
US-11401445-B2 · Aug 2, 2022 · US
Filament reinforced tapes useful as underwater pipe wrap
US-11401444-B2 · Aug 2, 2022 · US
Synchronizing multiple processing systems
US-11327454-B2 · May 10, 2022 · US
Filtration media
US-2022080340-A1 · Mar 17, 2022 · US
Yarn and fabric
US-2022074086-A1 · Mar 10, 2022 · US
Apparatus for making spunbond from continuous filaments
US-11225739-B2 · Jan 18, 2022 · US
Fibrous structures exhibiting improved whiteness index values
US-2021380783-A1 · Dec 9, 2021 · US
Filtration media
US-11185806-B2 · Nov 30, 2021 · US
Fibrous structures exhibiting improved whiteness index values
US-11091606-B2 · Aug 17, 2021 · US
Creasing method, creasing apparatus, and long fiber non-woven fabric
US-2021164155-A1 · Jun 3, 2021 · US
Filaments comprising an ingestible active agent nonwoven webs and methods for making same
US-11021812-B2 · Jun 1, 2021 · US
Materials comprising shape memory alloy wires and methods of making these materials
US-2021139657-A1 · May 13, 2021 · US
Fiber-modified interlayer for a composite structure and method of manufacture
US-2021023813-A1 · Jan 28, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D04H3/00?
- CPC D04H3/00 is the Cooperative Patent Classification code for “Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length.”
- How many patents are filed under CPC D04H3/00 (Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC D04H3/00 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).