Microplastic filter for washing machines or other appliances
US-12427453-B2 · Sep 30, 2025 · US
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scrapers
scrapers · 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 | B01D29/6469 |
| Official title | {scrapers} |
| Display label | scrapers |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filter for an appliance for washing laundry or textile articles
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Air purifier with filter unit
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Cross-flow filter assembly with improved cleaning assembly
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