Method and Apparatus for Cleaning Filter Media
US-2025367578-A1 · Dec 4, 2025 · US
Downward filtration, the filtering material being supported by pervious surfaces (B01D24/18 takes precedence)
Downward filtration, the filtering material being supported by pervious surfaces (B01D24/18 takes precedence) · 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 | B01D24/12 |
| Official title | Downward filtration, the filtering material being supported by pervious surfaces (B01D24/18 takes precedence) |
| Display label | Downward filtration, the filtering material being supported by pervious surfaces (B01D24/18 takes precedence) |
| Total patents | 50 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 10 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vessel screen retaining system and method
US-2025248438-A1 · Aug 7, 2025 · US
Valve systems for a hybrid filter
US-2025153078-A1 · May 15, 2025 · US
Vessel screen retaining system and method
US-12290094-B2 · May 6, 2025 · US
Sustainable, facile separation of the molten carbonate electrolysis cathode product
US-12286717-B2 · Apr 29, 2025 · US
Water treatment system and method including a draft tube system and eductor
US-2025050245-A1 · Feb 13, 2025 · US
Filter, water filter, and above-ground pool
US-2025010222-A1 · Jan 9, 2025 · US
Aquarium filter arrangement including pre-filter member and methods
US-12041917-B2 · Jul 23, 2024 · US
Sustainable, facile separation of the molten carbonate electrolysis cathode product
US-12024784-B2 · Jul 2, 2024 · US
Vessel screen retaining system and method
US-2024196951-A1 · Jun 20, 2024 · US
Vessel screen retaining system and method
US-11918030-B2 · Mar 5, 2024 · US
Sustainable, facile separation of the molten carbonate electrolysis cathode product
US-2023203685-A9 · Jun 29, 2023 · US
Regenerable system and method for filtering microfibres from a waste liquid
US-2023149835-A1 · May 18, 2023 · US
Sustainable, facile separation of the molten carbonate electrolysis cathode product
US-2023042844-A1 · Feb 9, 2023 · US
Aquarium filter arrangement including pre-filter member and methods
US-2022174919-A1 · Jun 9, 2022 · US
Vessel screen retaining system and method
US-2022167657-A1 · Jun 2, 2022 · US
Vessel screen retaining system and method
US-11284642-B2 · Mar 29, 2022 · US
Sustainable, facile separation of the molten carbonate electrolysis cathode product
US-2022042193-A1 · Feb 10, 2022 · US
Multistage fiber filtering apparatus capable of selectively filtering
US-11192050-B2 · Dec 7, 2021 · US
Precipitate removing apparatus and cooling water circulation system provided with same
US-2021291081-A1 · Sep 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D24/12?
- CPC B01D24/12 is the Cooperative Patent Classification code for “Downward filtration, the filtering material being supported by pervious surfaces (B01D24/18 takes precedence).”
- How many patents are filed under CPC B01D24/12 (Downward filtration, the filtering material being supported by pervious surfaces (B01D24/18 takes precedence))?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC B01D24/12 growing?
- Publication counts under this code: 4 in 2024 vs 7 in 2025 (latest complete years).