Cooling water monitoring and control system
US-12298093-B2 · May 13, 2025 · US
PO4-P
PO4-P · 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 | C02F2209/18 |
| Official title | PO4-P |
| Display label | PO4-P |
| Total patents | 74 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 10 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 10 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dissolved air flotation system and methods for biological nutrient removal
US-12172920-B2 · Dec 24, 2024 · US
Water treatment plant and method for operating water treatment plant
US-12099926-B2 · Sep 24, 2024 · US
Water sampling method, water sampling device, and water sampling system
US-2024167918-A1 · May 23, 2024 · US
Automated process for treatment of refinery wastewater
US-2024067544-A1 · Feb 29, 2024 · US
Water treating device and wet cleaning device including the same
US-2024067551-A1 · Feb 29, 2024 · US
Method for removing ammoniacal nitrogen from hypersaline effluents through a consortium containing high-salinity-resistant heterotrophic nitrifying and aerobic denitrifying microorganisms
US-2024051858-A1 · Feb 15, 2024 · US
Method and system for phosphate recovery from a stream
US-11834355-B2 · Dec 5, 2023 · US
System and method for controling amount of liquid carbon source released to constructed wetland
US-2023339793-A1 · Oct 26, 2023 · US
Cooling water monitoring and control system
US-2023288153-A1 · Sep 14, 2023 · US
A control system of a wastewater treatment plant
US-2023192517-A1 · Jun 22, 2023 · US
Cooling water monitoring and control system
US-11668535-B2 · Jun 6, 2023 · US
Data-driven recirculating aquaculture system
US-2023166993-A1 · Jun 1, 2023 · US
Wastewater cleaning system and process
US-11453602-B2 · Sep 27, 2022 · US
Method of treating sludge
US-11440828-B2 · Sep 13, 2022 · US
Dissolved Air Flotation System and Methods for Biological Nutrient Removal
US-2022212973-A1 · Jul 7, 2022 · US
Dissolved air flotation system and methods for biological nutrient removal
US-11299415-B2 · Apr 12, 2022 · US
Measuring and controlling organic matter in waste water stream
US-2022009807-A1 · Jan 13, 2022 · US
Recycling automotive phosphate rinse water stream
US-2021403343-A1 · Dec 30, 2021 · US
Treatment of wastewater
US-11208339-B2 · Dec 28, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2209/18?
- CPC C02F2209/18 is the Cooperative Patent Classification code for “PO4-P.”
- How many patents are filed under CPC C02F2209/18 (PO4-P)?
- Our database includes 74 publications tagged with this CPC code.
- Is patent activity under CPC C02F2209/18 growing?
- Publication counts under this code: 6 in 2024 vs 10 in 2025 (latest complete years).