Absorbent fibrous web
US-12521287-B2 · Jan 13, 2026 · US
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Hydraulic needling
Hydraulic needling · 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 | D04H1/465 |
| Official title | {Hydraulic needling} |
| Display label | Hydraulic needling |
| Total patents | 22 |
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 | 3 |
| 2016 | 7 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Layer for absorbent article
US-12303359-B2 · May 20, 2025 · US
Absorbent fibrous web
US-2023028309-A1 · Jan 26, 2023 · US
Flame-retardant non-woven fibrous webs
US-2022396903-A1 · Dec 15, 2022 · US
Hydroentangled fibrous structures
US-2020101191-A1 · Apr 2, 2020 · US
Hydroentangled fibrous structures
US-10532123-B2 · Jan 14, 2020 · US
Process for producing nonwoven with improved surface properties
US-10435826-B2 · Oct 8, 2019 · US
Alumina fiber aggregate and method for producing the same
US-2019145031-A1 · May 16, 2019 · US
Layer for absorbent article
US-2019099301-A1 · Apr 4, 2019 · US
Process for producing nonwoven with improved surface properties
US-2018355527-A1 · Dec 13, 2018 · US
Non-wovens with high interfacial pore size and method of making same
US-10113255-B2 · Oct 30, 2018 · US
Dispersible hydroentangled basesheet with triggerable binder
US-9809931-B2 · Nov 7, 2017 · US
Dispersible hydroentangled basesheet with triggerable binder
US-2016355979-A1 · Dec 8, 2016 · US
Dispersible hydroentangled basesheet with triggerable binder
US-9453304-B2 · Sep 27, 2016 · US
Non-Wovens With High Interfacial Pore Size And Method Of Making Same
US-2016222563-A1 · Aug 4, 2016 · US
Dispersible hydroentangled basesheet with triggerable binder
US-2016201268-A1 · Jul 14, 2016 · US
Dispersible hydroentangled basesheet with triggerable binder
US-9320395-B2 · Apr 26, 2016 · US
Non-wovens with high interfacial pore size and method of making same
US-9315929-B2 · Apr 19, 2016 · US
Method of making a reinforcing mat for a pultruded part
US-9249532-B2 · Feb 2, 2016 · US
Dispersible hydroentangled basesheet with triggerable binder
US-2015216374-A1 · Aug 6, 2015 · US