Gas diffusion layer made of water jet entangled nonwovens
US-2025361660-A1 · Nov 27, 2025 · US
combined with mechanical treatment (combined with mechanical tension, e.g. mercerising D06M11/40) · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D06M11/84 |
| Official title | combined with mechanical treatment (combined with mechanical tension, e.g. mercerising D06M11/40) |
| Display label | combined with mechanical treatment (combined with mechanical tension, e.g. mercerising D06M11/40) |
| Total patents | 23 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025361660-A1 · Nov 27, 2025 · US
US-2025320640-A1 · Oct 16, 2025 · US
US-2024141560-A1 · May 2, 2024 · US
US-2023193527-A1 · Jun 22, 2023 · US
US-2023039765-A1 · Feb 9, 2023 · US
US-11519106-B2 · Dec 6, 2022 · US
US-11384892-B2 · Jul 12, 2022 · US
US-11378471-B2 · Jul 5, 2022 · US
US-11286286-B2 · Mar 29, 2022 · US
US-11167991-B2 · Nov 9, 2021 · US
US-11087931-B2 · Aug 10, 2021 · US
US-2021156752-A1 · May 27, 2021 · US
US-2021102341-A1 · Apr 8, 2021 · US
US-10883204-B2 · Jan 5, 2021 · US
US-2020399795-A1 · Dec 24, 2020 · US
US-2020370701-A1 · Nov 26, 2020 · US
US-10793979-B2 · Oct 6, 2020 · US
US-2020031886-A1 · Jan 30, 2020 · US
US-2019378661-A1 · Dec 12, 2019 · US
US-2019322826-A1 · Oct 24, 2019 · US