Process and apparatus for wetlaying nonwovens
US-11015292-B2 · May 25, 2021 · US
Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres · 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 | D04H1/00 |
| Official title | Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres |
| Display label | Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres |
| Total patents | 97 |
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 | 8 |
| 2017 | 9 |
| 2018 | 11 |
| 2019 | 9 |
| 2020 | 11 |
| 2021 | 10 |
| 2022 | 12 |
| 2023 | 6 |
| 2024 | 7 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reinforcing fiber bundle base material, production method therefor, fiber-reinforced thermoplastic resin material using same, and production method therefor
US-2021039281-A1 · Feb 11, 2021 · US
Volume nonwoven fabric
US-10876234-B2 · Dec 29, 2020 · US
Bleaching and shive reduction process for non-wood fibers
US-10844538-B2 · Nov 24, 2020 · US
Holding material for pollution control element, production method thereof, and pollution control apparatus
US-2020330921-A1 · Oct 22, 2020 · US
Nonwoven multilayer structures having nanofiber layers
US-2020324510-A1 · Oct 15, 2020 · US
Spatially Controllable Eductor for Managing Solid Additives and Processes Using Same
US-2020309157-A1 · Oct 1, 2020 · US
Systems and methods for composite radius fillers
US-10780680-B2 · Sep 22, 2020 · US
Textile product having reduced density
US-2020255996-A1 · Aug 13, 2020 · US
Nonwoven composite for high temperature applications requiring low flammability, smoke, and toxicity
US-2020232133-A1 · Jul 23, 2020 · US
Surgical Gown, Gloves, and Cap With Cooling Properties
US-2020205492-A1 · Jul 2, 2020 · US
Spatially controllable eductor for managing solid additives and processes using same
US-10683878-B2 · Jun 16, 2020 · US
Processing device, sheet manufacturing apparatus, processing method, and manufacturing method of sheet
US-10626552-B2 · Apr 21, 2020 · US
Polymeric Material
US-2019338097-A1 · Nov 7, 2019 · US
Durable fiber webs
US-2019263717-A1 · Aug 29, 2019 · US
Spunbonded Nonwoven With Crimped Fine Fibers
US-2019233993-A1 · Aug 1, 2019 · US
Process and apparatus for wetlaying nonwovens
US-2019177915-A1 · Jun 13, 2019 · US
Absorbent Article With Conforming Features
US-2019133847-A1 · May 9, 2019 · US
Method Of Creating Conforming Features In An Absorbent Article
US-2019133835-A1 · May 9, 2019 · US
Absorbent Article With Conforming Features
US-2019133843-A1 · May 9, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D04H1/00?
- CPC D04H1/00 is the Cooperative Patent Classification code for “Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres.”
- How many patents are filed under CPC D04H1/00 (Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres)?
- Our database includes 97 publications tagged with this CPC code.
- Is patent activity under CPC D04H1/00 growing?
- Publication counts under this code: 7 in 2024 vs 4 in 2025 (latest complete years).