Filter cake sonication
US-2025214006-A1 · Jul 3, 2025 · US
Vibrating the filters (regenerating filter material by vibrations in filters with stationary filtering elements B01D29/72; discharging the filter cake by vibrations in filters with moving filtering elements B01D33/54, B01D33/76) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D35/20 |
| Official title | Vibrating the filters (regenerating filter material by vibrations in filters with stationary filtering elements B01D29/72; discharging the filter cake by vibrations in filters with moving filtering elements B01D33/54, B01D33/76) |
| Display label | Vibrating the filters (regenerating filter material by vibrations in filters with stationary filtering elements B01D29/72; discharging the filter cake by vibrations in filters with moving filtering elements B01D33/54, B01D33/76) |
| Total patents | 37 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 6 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025214006-A1 · Jul 3, 2025 · US
US-2025073837-A1 · Mar 6, 2025 · US
US-12179299-B2 · Dec 31, 2024 · US
US-11921459-B2 · Mar 5, 2024 · US
US-2023321565-A1 · Oct 12, 2023 · US
US-2023103365-A1 · Apr 6, 2023 · US
US-11591866-B2 · Feb 28, 2023 · US
US-11185803-B2 · Nov 30, 2021 · US
US-11173432-B2 · Nov 16, 2021 · US
US-11167316-B2 · Nov 9, 2021 · US
US-2021197473-A1 · Jul 1, 2021 · US
US-2021170449-A1 · Jun 10, 2021 · US
US-2021025253-A1 · Jan 28, 2021 · US
US-10815742-B2 · Oct 27, 2020 · US
US-10808475-B2 · Oct 20, 2020 · US
US-10688530-B2 · Jun 23, 2020 · US
US-2020179841-A1 · Jun 11, 2020 · US
US-2020047299-A1 · Feb 13, 2020 · US
US-2019344203-A1 · Nov 14, 2019 · US
US-10399017-B2 · Sep 3, 2019 · US
Answers are generated from the same data shown on this page.