Process for water treatment using immersed gas transfer membranes
US-12577137-B2 · Mar 17, 2026 · US
Provisions for mixing or aeration of the mixed liquor
Provisions for mixing or aeration of the mixed liquor · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C02F3/1278 |
| Official title | {Provisions for mixing or aeration of the mixed liquor} |
| Display label | Provisions for mixing or aeration of the mixed liquor |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Inorganic-biohybrid and preparation method and application thereof
US-2026001794-A1 · Jan 1, 2026 · US
Real-Time Control of Feast and Famine Conditions
US-2025270126-A1 · Aug 28, 2025 · US
Water treatment system, aeration amount control device, and aeration amount control method
US-2025109050-A1 · Apr 3, 2025 · US
Reflux unit and sewage treatment system
US-12172914-B2 · Dec 24, 2024 · US
Dissolved air flotation system and methods for biological nutrient removal
US-12172920-B2 · Dec 24, 2024 · US
Reflux unit and sewage treatment system
US-2024270619-A1 · Aug 15, 2024 · US
Method for detecting anomalies in a water treatment plant using an apparatus for injecting oxygen into a waste pool
US-11983001-B2 · May 14, 2024 · US
Floating apparatus for membrane biofilm reactor and process for water treatment
US-2023045679-A1 · Feb 9, 2023 · US
Process for water treatment using membrane biofilm reactor
US-11505483-B2 · Nov 22, 2022 · US
Water treatment control system
US-11485655-B2 · Nov 1, 2022 · US
Device and method for sulphur cycle-based advanced denitrification of waste water coupling autotrophic denitrification and heterotrophic denitrification
US-11434159-B2 · Sep 6, 2022 · US
Dissolved Air Flotation System and Methods for Biological Nutrient Removal
US-2022212973-A1 · Jul 7, 2022 · US
Method for detecting anomalies in a water treatment plant using an apparatus for injecting oxygen into a waste pool
US-2022163957-A1 · May 26, 2022 · US
Dissolved air flotation system and methods for biological nutrient removal
US-11299415-B2 · Apr 12, 2022 · US
Membrane biofilm reactors, systems, and methods for producing organic products
US-11155776-B2 · Oct 26, 2021 · US
Device and method for sulphur cycle-based advanced denitrification of waste water coupling autotrophic denitrification and heterotrophic denitrification
US-2021317025-A1 · Oct 14, 2021 · US
Cost control of wastewater treatment based on regulatory period
US-10988394-B2 · Apr 27, 2021 · US
Sewage/wastewater treatment system using granular activated sludge and membrane bio-reactor and sewage/wastewater treatment method using the same
US-10961141-B2 · Mar 30, 2021 · US
Dissolved Air Flotation System and Methods for Biological Nutrient Removal
US-2021047218-A1 · Feb 18, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F3/1278?
- CPC C02F3/1278 is the Cooperative Patent Classification code for “Provisions for mixing or aeration of the mixed liquor.”
- How many patents are filed under CPC C02F3/1278 (Provisions for mixing or aeration of the mixed liquor)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC C02F3/1278 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).