Faucet with integrated water filter
US-12116758-B2 · Oct 15, 2024 · US
Small separation devices for domestic application, e.g. for canteens, industrial kitchen, washing machines
Small separation devices for domestic application, e.g. for canteens, industrial kitchen, washing machines · 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 | B01D2221/02 |
| Official title | Small separation devices for domestic application, e.g. for canteens, industrial kitchen, washing machines |
| Display label | Small separation devices for domestic application, e.g. for canteens, industrial kitchen, washing machines |
| Total patents | 75 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 15 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 10 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water filter
US-12083460-B2 · Sep 10, 2024 · US
Microplastic filter for washing machines or other appliances
US-2024173655-A1 · May 30, 2024 · US
Measuring magnetic debris buildup in a magnetic filter
US-2024042458-A1 · Feb 8, 2024 · US
Air treatment device
US-2023311054-A1 · Oct 5, 2023 · US
Turbidity removal system for an appliance
US-11668037-B2 · Jun 6, 2023 · US
Separator device
US-11660618-B2 · May 30, 2023 · US
Air purifier, air purifying system, and method of controlling air purifying system
US-11623173-B2 · Apr 11, 2023 · US
Systems and methods for dewatering, extruding, and combusting blackwater
US-11584660-B2 · Feb 21, 2023 · US
Water filter
US-2023001338-A1 · Jan 5, 2023 · US
Filter assembly
US-2022314152-A1 · Oct 6, 2022 · US
New filter, filter unit, treatment apparatus, method and use
US-2022298712-A1 · Sep 22, 2022 · US
Water filter
US-2022176280-A1 · Jun 9, 2022 · US
Coalescing media for hydronic air and sediment separation device
US-2022134259-A1 · May 5, 2022 · US
Faucet with integrated water filter
US-2022098837-A1 · Mar 31, 2022 · US
Air treatment apparatus for a domestic appliance
US-2022072190-A1 · Mar 10, 2022 · US
Turbidity removal system for an appliance
US-2021332518-A1 · Oct 28, 2021 · US
Systems and Methods for Dewatering, Extruding, and Combusting Blackwater
US-2021300783-A1 · Sep 30, 2021 · US
High-ash fine coal slime separation equipment and method
US-2021268518-A1 · Sep 2, 2021 · US
Cyclone for air cleaning and filtering module having the same
US-10933364-B2 · Mar 2, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2221/02?
- CPC B01D2221/02 is the Cooperative Patent Classification code for “Small separation devices for domestic application, e.g. for canteens, industrial kitchen, washing machines.”
- How many patents are filed under CPC B01D2221/02 (Small separation devices for domestic application, e.g. for canteens, industrial kitchen, washing machines)?
- Our database includes 75 publications tagged with this CPC code.
- Is patent activity under CPC B01D2221/02 growing?
- Publication counts under this code: 10 in 2024 vs 7 in 2025 (latest complete years).