Method for the treatment of wastewater
US-2022073375-A1 · Mar 10, 2022 · US
Controlling or monitoring parameters in water treatment
Controlling or monitoring parameters in water treatment · 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 | C02F2209/00 |
| Official title | Controlling or monitoring parameters in water treatment |
| Display label | Controlling or monitoring parameters in water treatment |
| Total patents | 74 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 4 |
| 2017 | 13 |
| 2018 | 11 |
| 2019 | 10 |
| 2020 | 5 |
| 2021 | 9 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Perfusion Bioprocessing System and Method of Operating the Same
US-2021395664-A1 · Dec 23, 2021 · US
Method for the treatment of wastewater
US-11198625-B2 · Dec 14, 2021 · US
Method for the treatment of wastewater
US-11192803-B2 · Dec 7, 2021 · US
Sustainability resource management system
US-11189139-B2 · Nov 30, 2021 · US
Method and an apparatus for monitoring and controlling deposit formation
US-11046590-B2 · Jun 29, 2021 · US
Waste fluid treatment apparatus and processing water regeneration system
US-2021188670-A1 · Jun 24, 2021 · US
Method and system for abating the presence of a selected chemical substance in wastewater flowing in a wastewater channel system
US-2021155513-A1 · May 27, 2021 · US
Sustainability resource management system
US-2021110680-A1 · Apr 15, 2021 · US
System for monitoring operation of thickeners and clarifiers
US-2021061685-A1 · Mar 4, 2021 · US
Control method for a filter system
US-10821404-B2 · Nov 3, 2020 · US
Electrochemical desalination system
US-10821395-B2 · Nov 3, 2020 · US
Sampling for monitoring Per- and Polyfluoroalkyl Substances (PFAS) in surface water, groundwater and pore water
US-2020292516-A1 · Sep 17, 2020 · US
Method of degradation and inactivation of antibiotics in water by immobilized enzymes onto functionalized supports
US-10538443-B2 · Jan 21, 2020 · US
Methods of conditioning membranes
US-10532327-B2 · Jan 14, 2020 · US
System and method for the treatment of wastewater
US-2019330080-A1 · Oct 31, 2019 · US
Electrochemical desalination system
US-2019240623-A1 · Aug 8, 2019 · US
Electrochemical liquid desiccant regeneration system
US-2019240614-A1 · Aug 8, 2019 · US
System and method for the treatment of wastewater
US-2019194036-A1 · Jun 27, 2019 · US
Biological treatment of flue gas desulfurization blowdown water with upstream sulfite control
US-2019143266-A1 · May 16, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2209/00?
- CPC C02F2209/00 is the Cooperative Patent Classification code for “Controlling or monitoring parameters in water treatment.”
- How many patents are filed under CPC C02F2209/00 (Controlling or monitoring parameters in water treatment)?
- Our database includes 74 publications tagged with this CPC code.
- Is patent activity under CPC C02F2209/00 growing?
- Publication counts under this code: 2 in 2024 vs 6 in 2025 (latest complete years).