Automatic clean air filter for air conditioner unit
US-11298638-B2 · Apr 12, 2022 · US
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Brush filters {; Rotary brush filters}
Brush filters {; Rotary brush filters} · 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 | B01D35/10 |
| Official title | Brush filters {; Rotary brush filters} |
| Display label | Brush filters {; Rotary brush filters} |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multistage fiber filtering apparatus capable of selectively filtering
US-11192050-B2 · Dec 7, 2021 · US
Biologic tissue processing device
US-2021338893-A1 · Nov 4, 2021 · US
Automatic clean air filter for air conditioner unit
US-2021205742-A1 · Jul 8, 2021 · US
Fiber filtering apparatus
US-11000787-B2 · May 11, 2021 · US
Methods and apparatus for treating water and wastewater employing a cloth filter
US-10905981-B2 · Feb 2, 2021 · US
Multistage fiber filtering apparatus capable of selectively filtering
US-2020179838-A1 · Jun 11, 2020 · US
Fiber filtering apparatus
US-2020122060-A1 · Apr 23, 2020 · US
Multistage fiber filtering apparatus capable of selectively filtering
US-10596495-B2 · Mar 24, 2020 · US
Fiber filtering apparatus
US-10549217-B2 · Feb 4, 2020 · US
Methods and apparatus for treating water and wastewater employing a cloth filter
US-2018078883-A9 · Mar 22, 2018 · US
Fiber filtering apparatus
US-2018028945-A1 · Feb 1, 2018 · US
Multistage Fiber Filtering Apparatus Capable of Selectively Filtering
US-2017368482-A1 · Dec 28, 2017 · US
Methods and apparatus for treating water and wastewater employing a cloth filter
US-2016059156-A1 · Mar 3, 2016 · US