Microplastic filter for washing machines or other appliances
US-12427453-B2 · Sep 30, 2025 · US
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Oval
Oval · 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 | B01D2201/602 |
| Official title | Oval |
| Display label | Oval |
| Total patents | 20 |
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 | 3 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 5 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Microplastic filter for washing machines or other appliances
US-2024173655-A1 · May 30, 2024 · US
Obround filter element
US-11459986-B2 · Oct 4, 2022 · US
Oval filter with exterior elliptical radial seal and internal support structure
US-11452952-B2 · Sep 27, 2022 · US
Filter assemblies utilizing full cross-section
US-2022118386-A1 · Apr 21, 2022 · US
Filter device
US-11305216-B2 · Apr 19, 2022 · US
Support structure for pleated filter media and methods
US-11247161-B2 · Feb 15, 2022 · US
Oval filter with exterior elliptical radial seal and internal support structure
US-2021086109-A1 · Mar 25, 2021 · US
Oval filter with exterior elliptical radial seal and internal support structure
US-10918978-B2 · Feb 16, 2021 · US
Filter assembly and methods
US-10730000-B2 · Aug 4, 2020 · US
Filter device
US-2020206657-A1 · Jul 2, 2020 · US
Obround Filter Element
US-2020095964-A1 · Mar 26, 2020 · US
Support structure for pleated filter media and methods
US-2019374891-A1 · Dec 12, 2019 · US
Oval filter with exterior elliptical radial seal and internal support structure
US-2019344207-A1 · Nov 14, 2019 · US
Support structure for pleated filter media and methods
US-10413854-B2 · Sep 17, 2019 · US
Filter assembly and methods
US-2018117518-A1 · May 3, 2018 · US
Integral filter compression seal
US-9604856-B2 · Mar 28, 2017 · US
Fluid filter housing assembly
US-2015314225-A1 · Nov 5, 2015 · US
Fluid filter
US-2015265949-A1 · Sep 24, 2015 · US
Support structure for pleated filter media and methods
US-2015151233-A1 · Jun 4, 2015 · US