Systems and methods for stormwater management
US-12492130-B2 · Dec 9, 2025 · US
for discharging filtrate
for discharging filtrate · 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 | B01D24/42 |
| Official title | for discharging filtrate |
| Display label | for discharging filtrate |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Enclosed media fluid filtration device
US-2025345726-A1 · Nov 13, 2025 · US
Enclosed media fluid filtration device
US-12311290-B2 · May 27, 2025 · US
Systems and methods for stormwater management
US-2023286828-A1 · Sep 14, 2023 · US
Systems and methods for stormwater management
US-2023264977-A1 · Aug 24, 2023 · US
Systems and methods for stormwater management
US-11691894-B2 · Jul 4, 2023 · US
Microorganism sampling device
US-11512274-B2 · Nov 29, 2022 · US
Systems and methods for stormwater management
US-2022281756-A1 · Sep 8, 2022 · US
Systems and methods for stormwater management
US-11365131-B2 · Jun 21, 2022 · US
Enclosed media fluid filtration device
US-2022134260-A1 · May 5, 2022 · US
Enclosed media fluid filtration device
US-11253799-B2 · Feb 22, 2022 · US
Enclosed media fluid filtration device
US-2021229002-A1 · Jul 29, 2021 · US
Enclosed media fluid filtration device
US-11020688-B2 · Jun 1, 2021 · US
Systems and methods for stormwater management
US-2021147254-A1 · May 20, 2021 · US
Systems and methods for stormwater management
US-10882759-B1 · Jan 5, 2021 · US
Drain assembly for a housing of a filter assembly
US-10729996-B2 · Aug 4, 2020 · US
Microorganism sampling device
US-2020231920-A1 · Jul 23, 2020 · US
Enclosed media fluid filtration device
US-2020155976-A1 · May 21, 2020 · US
Drain assembly for a housing of a filter assembly
US-2020139277-A1 · May 7, 2020 · US
Enclosed media fluid filtration device
US-10549216-B2 · Feb 4, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D24/42?
- CPC B01D24/42 is the Cooperative Patent Classification code for “for discharging filtrate.”
- How many patents are filed under CPC B01D24/42 (for discharging filtrate)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC B01D24/42 growing?
- Publication counts under this code: 3 in 2023 vs 3 in 2025 (latest complete years).