Method for nonwoven textiles with variable zonal properties
US-12435454-B2 · Oct 7, 2025 · US
Laminated felts in which the separate layers are united by a felting process · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D04H1/16 |
| Official title | Laminated felts in which the separate layers are united by a felting process |
| Display label | Laminated felts in which the separate layers are united by a felting process |
| Total patents | 8 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2019 | 3 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12435454-B2 · Oct 7, 2025 · US
US-11925240-B2 · Mar 12, 2024 · US
US-2022162787-A1 · May 26, 2022 · US
US-11248322-B2 · Feb 15, 2022 · US
US-2021100321-A1 · Apr 8, 2021 · US
US-2019368091-A1 · Dec 5, 2019 · US
US-2019145031-A1 · May 16, 2019 · US
US-2019062968-A1 · Feb 28, 2019 · US