Pulse jet air cleaner systems; evacuation valve arrangements; air cleaner components; and, methods
US-2020398206-A1 · Dec 24, 2020 · US
Removing dust other than cleaning filters {, e.g. by using collecting trays}
Removing dust other than cleaning filters {, e.g. by using collecting trays} · 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 | B01D46/48 |
| Official title | Removing dust other than cleaning filters {, e.g. by using collecting trays} |
| Display label | Removing dust other than cleaning filters {, e.g. by using collecting trays} |
| Total patents | 166 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 5 |
| 2017 | 13 |
| 2018 | 10 |
| 2019 | 14 |
| 2020 | 15 |
| 2021 | 21 |
| 2022 | 20 |
| 2023 | 22 |
| 2024 | 18 |
| 2025 | 11 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrostatic precipitating apparatus and air conditioning system having same
US-2020360936-A1 · Nov 19, 2020 · US
Dust collector
US-10821391-B2 · Nov 3, 2020 · US
Filtering system with self-cleaning function and clothes dryer
US-10604885-B2 · Mar 31, 2020 · US
Air filter
US-10576402-B2 · Mar 3, 2020 · US
Pulse jet air cleaner systems, components, and, methods
US-10512870-B2 · Dec 24, 2019 · US
Bag filter filtration and dust collecting apparatus for preventing dust accumulation
US-10464004-B2 · Nov 5, 2019 · US
Air conditioner
US-10443888-B2 · Oct 15, 2019 · US
Indoor unit for air conditioner
US-2019275455-A1 · Sep 12, 2019 · US
Cyclonic air filter assembly for an engine
US-2019275453-A1 · Sep 12, 2019 · US
Dust collector
US-2019255476-A1 · Aug 22, 2019 · US
Inline Filter System having a Pre-Separator Module
US-2019240606-A1 · Aug 8, 2019 · US
Collection device, collection method, and fibrous feedstock recycling device
US-2019240607-A1 · Aug 8, 2019 · US
Air freshener
US-10357734-B2 · Jul 23, 2019 · US
Air filter
US-2019201826-A1 · Jul 4, 2019 · US
Dust collector with a constant suction force
US-10226724-B2 · Mar 12, 2019 · US
Air cleaner case
US-2019072058-A1 · Mar 7, 2019 · US
Apparatus for additively manufacturing three-dimensional objects
US-2019022940-A1 · Jan 24, 2019 · US
Air Purifying Unit and Air Cleaning/Ventilation Device Comprising Same
US-2019001249-A1 · Jan 3, 2019 · US
Dust collector with a constant suction force
US-2018326336-A1 · Nov 15, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/48?
- CPC B01D46/48 is the Cooperative Patent Classification code for “Removing dust other than cleaning filters {, e.g. by using collecting trays}.”
- How many patents are filed under CPC B01D46/48 (Removing dust other than cleaning filters {, e.g. by using collecting trays})?
- Our database includes 166 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/48 growing?
- Publication counts under this code: 18 in 2024 vs 11 in 2025 (latest complete years).