Monitoring devices for air filtration systems
US-2024399280-A1 · Dec 5, 2024 · US
with backwash arms, shoes or nozzles
with backwash arms, shoes or nozzles · 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 | B01D46/72 |
| Official title | with backwash arms, shoes or nozzles |
| Display label | with backwash arms, shoes or nozzles |
| Total patents | 63 |
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 | 4 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 14 |
| 2021 | 10 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filter element having inner support and methods
US-12145094-B2 · Nov 19, 2024 · US
Air flow guiding structure and an air filter cartridge
US-2024009607-A1 · Jan 11, 2024 · US
Clothes treating apparatus
US-2023304211-A1 · Sep 28, 2023 · US
Filter element having inner support and methods
US-11712650-B2 · Aug 1, 2023 · US
Dust collecting treatment apparatus
US-11712780-B2 · Aug 1, 2023 · US
Server apparatus, user terminal apparatus, controlling method therefor, and electronic system
US-11637939-B2 · Apr 25, 2023 · US
Filter bags comprising a porous membrane
US-11602711-B2 · Mar 14, 2023 · US
Filter cleaning system, filter cleaning method, and data center
US-2022243937-A1 · Aug 4, 2022 · US
Filter element having inner support and methods
US-2022118393-A1 · Apr 21, 2022 · US
Dust collector and dust removal method for same
US-11260334-B2 · Mar 1, 2022 · US
Filtration apparatus for use with aircraft
US-11260977-B2 · Mar 1, 2022 · US
Laundry dryer
US-11260329-B2 · Mar 1, 2022 · US
Filter cartridge with venturi nozzle
US-11235271-B2 · Feb 1, 2022 · US
Monitoring devices for air filtration systems
US-2021387127-A1 · Dec 16, 2021 · US
Collection device, collection method, and fibrous feedstock recycling device
US-11198087-B2 · Dec 14, 2021 · US
Filter element having inner support and methods
US-11167235-B2 · Nov 9, 2021 · US
Air intake screen debris sensing
US-11156192-B2 · Oct 26, 2021 · US
Engine air precleaner system
US-11092065-B2 · Aug 17, 2021 · US
Filter bags comprising a porous membrane
US-2021187429-A1 · Jun 24, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/72?
- CPC B01D46/72 is the Cooperative Patent Classification code for “with backwash arms, shoes or nozzles.”
- How many patents are filed under CPC B01D46/72 (with backwash arms, shoes or nozzles)?
- Our database includes 63 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/72 growing?
- Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).