Method and Apparatus for Cleaning Filter Media
US-2025367578-A1 · Dec 4, 2025 · US
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Downward filtration, the container having distribution or collection headers or pervious conduits (B01D24/18 takes precedence)
Downward filtration, the container having distribution or collection headers or pervious conduits (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 | B01D24/14 |
| Official title | Downward filtration, the container having distribution or collection headers or pervious conduits (B01D24/18 takes precedence) |
| Display label | Downward filtration, the container having distribution or collection headers or pervious conduits (B01D24/18 takes precedence) |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2021 | 1 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Media tank
US-12179166-B2 · Dec 31, 2024 · US
Underdrain for media vessel and method of cleaning
US-2024416396-A1 · Dec 19, 2024 · US
Underdrain and septa for media vessel and method of cleaning
US-2024408517-A1 · Dec 12, 2024 · US
Cleaning mechanism and underdrain for media vessel and method of cleaning
US-2024399428-A1 · Dec 5, 2024 · US
Integrated grommet filter
US-12018606-B1 · Jun 25, 2024 · US
Media tank
US-2023127000-A1 · Apr 27, 2023 · US
Method and system for determining liquid levels in sand filters and effective air scouring during backwash
US-2023059255-A1 · Feb 23, 2023 · US
Filtering device and cleaning unit for removing dirt particles from a filter element of a filtering device
US-10974177-B2 · Apr 13, 2021 · US
Infiltration intake system
US-10272366-B2 · Apr 30, 2019 · US
Infiltration intake system
US-2018050283-A1 · Feb 22, 2018 · US
Filtering device and cleaning unit for removing dirt particles from a filter element of a filtering device
US-2018008911-A1 · Jan 11, 2018 · US
Receiver dryer, method of manufacturing receiver dryer and air-conditioning system
US-9759463-B2 · Sep 12, 2017 · US
Treatment of storm water
US-9352978-B2 · May 31, 2016 · US
Filter having spiral-shaped distributor channels
US-9314719-B2 · Apr 19, 2016 · US
Unitary Filter Tank And An Underdrain For Filtering A Body Of Water
US-2016001489-A1 · Jan 7, 2016 · US
Unitary filter tank and an underdrain for filtering a body of water
US-9108126-B2 · Aug 18, 2015 · US
Receiver dryer, method of manufacturing receiver dryer and air-conditioning system
US-2015033788-A1 · Feb 5, 2015 · US