Dust collection device and method for filtering powder
US-12285712-B2 · Apr 29, 2025 · US
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by impinging the gas to be cleaned essentially in a perpendicular direction onto the liquid surface
by impinging the gas to be cleaned essentially in a perpendicular direction onto the liquid surface · 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 | B01D47/024 |
| Official title | {by impinging the gas to be cleaned essentially in a perpendicular direction onto the liquid surface} |
| Display label | by impinging the gas to be cleaned essentially in a perpendicular direction onto the liquid surface |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Oil-gas treatment system, oil-gas treatment method and mechanical apparatus
US-12257543-B2 · Mar 25, 2025 · US
Dust collector
US-2024149206-A1 · May 9, 2024 · US
Liquid filter apparatus for gas/solid separation for semiconductor processes
US-11786858-B2 · Oct 17, 2023 · US
A dust collection device and method for filtering powder
US-2023011697-A1 · Jan 12, 2023 · US
Oil-gas treatment system, oil-gas treatment method and mechanical apparatus
US-2022250000-A1 · Aug 11, 2022 · US
Separation of methane from gas mixtures
US-10668425-B2 · Jun 2, 2020 · US
Dust collection apparatus and dust collection system
US-10464110-B2 · Nov 5, 2019 · US
Film forming apparatus and gas-liquid separating apparatus
US-2019291040-A1 · Sep 26, 2019 · US
Exhaust unit
US-10406473-B2 · Sep 10, 2019 · US
Filtration liquid tank for dedusting device, and dedusting device with the same
US-10328379-B2 · Jun 25, 2019 · US
Manufacturing apparatus and exhaust gas treatment apparatus
US-2019083918-A1 · Mar 21, 2019 · US
Filtration liquid tank for dedusting device, and dedusting device with the same
US-2018272264-A1 · Sep 27, 2018 · US
Separation of methane from gas mixtures
US-2018178157-A1 · Jun 28, 2018 · US
Method for removing dust and sulphur oxides from process gases
US-9884285-B2 · Feb 6, 2018 · US
Exhaust unit
US-2017348628-A1 · Dec 7, 2017 · US
Dust collection apparatus and dust collection system
US-2017072437-A1 · Mar 16, 2017 · US
Quenching system for cooling and cleaning dust-conducting crude gasification gas
US-9504951-B2 · Nov 29, 2016 · US
Method for removing dust and sulphur oxides from process gases
US-2016193565-A1 · Jul 7, 2016 · US