Cellulose-containing filtration materials and methods of making the same
US-12304972-B2 · May 20, 2025 · US
Suction; Vacuum treatment; Degassing; Blowing · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D06M15/715 |
| Official title | Suction; Vacuum treatment; Degassing; Blowing |
| Display label | Suction; Vacuum treatment; Degassing; Blowing |
| Total patents | 15 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 2 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 3 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12304972-B2 · May 20, 2025 · US
US-11850809-B2 · Dec 26, 2023 · US
US-2023234305-A1 · Jul 27, 2023 · US
US-2023234306-A1 · Jul 27, 2023 · US
US-11486063-B2 · Nov 1, 2022 · US
US-2022081490-A1 · Mar 17, 2022 · US
US-2022063217-A1 · Mar 3, 2022 · US
US-11198259-B2 · Dec 14, 2021 · US
US-10518468-B2 · Dec 31, 2019 · US
US-2019062958-A1 · Feb 28, 2019 · US
US-2018229399-A1 · Aug 16, 2018 · US
US-2018104889-A1 · Apr 19, 2018 · US
US-2018100267-A1 · Apr 12, 2018 · US
US-9677221-B2 · Jun 13, 2017 · US
US-2015101306-A1 · Apr 16, 2015 · US