Control of evacuation stations
US-2022287535-A1 · Sep 15, 2022 · US
by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D46/70 |
| Official title | by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter |
| Display label | by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter |
| Total patents | 94 |
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 | 4 |
| 2016 | 3 |
| 2017 | 9 |
| 2018 | 4 |
| 2019 | 14 |
| 2020 | 10 |
| 2021 | 13 |
| 2022 | 12 |
| 2023 | 10 |
| 2024 | 8 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Suction material collecting station, system made from a suction material collecting station and a suction cleaner, and a method for the same
US-11357373-B2 · Jun 14, 2022 · US
Continuously regenerable media purifier
US-11278835-B2 · Mar 22, 2022 · US
Air intake screen debris sensing
US-11156192-B2 · Oct 26, 2021 · US
Control of evacuation stations
US-2021321852-A1 · Oct 21, 2021 · US
Work vehicle having an intake cleaning system with an alignment mechanism
US-2021317774-A1 · Oct 14, 2021 · US
Charge air cooler fan control
US-11073074-B1 · Jul 27, 2021 · US
Ovate tubular filter cartridges and filter systems using the same
US-2021213381-A1 · Jul 15, 2021 · US
Earth Working Machine Having a Dust Extraction System and Rotatable Filter Cartridges
US-2021164175-A1 · Jun 3, 2021 · US
Method for preparation and activation of super-hydrophobic electret fiber material for cleaning PM2.5
US-11014028-B2 · May 25, 2021 · US
Control of evacuation stations
US-11006806-B2 · May 18, 2021 · US
Ovate tubular filter cartridges and filter systems using the same
US-10967322-B2 · Apr 6, 2021 · US
Air treatment apparatus for an agricultural vehicle
US-2021086582-A1 · Mar 25, 2021 · US
Air treatment apparatus
US-2021078378-A1 · Mar 18, 2021 · US
Powder collector
US-2021077938-A1 · Mar 18, 2021 · US
Dust collector
US-2021069626-A1 · Mar 11, 2021 · US
Inerting system with particulate removal
US-2020407073-A1 · Dec 31, 2020 · US
Substrate processing apparatus and methods with factory interface chamber filter purge
US-2020402819-A1 · Dec 24, 2020 · US
Air filter device of industrial machine
US-2020338491-A1 · Oct 29, 2020 · US
Air intake screen debris sensing
US-2020318584-A1 · Oct 8, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/70?
- CPC B01D46/70 is the Cooperative Patent Classification code for “by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter.”
- How many patents are filed under CPC B01D46/70 (by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter)?
- Our database includes 94 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/70 growing?
- Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).