On-line and continuous measurement of organic carbon in petroleum refinery desalter brine water to monitor, control and optimize the desalter process unit
US-2019389750-A1 · Dec 26, 2019 · US
Regulation methods for flocculation or precipitation
Regulation methods for flocculation or precipitation · 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 | C02F1/5209 |
| Official title | {Regulation methods for flocculation or precipitation} |
| Display label | Regulation methods for flocculation or precipitation |
| Total patents | 215 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 15 |
| 2017 | 15 |
| 2018 | 17 |
| 2019 | 18 |
| 2020 | 22 |
| 2021 | 19 |
| 2022 | 21 |
| 2023 | 29 |
| 2024 | 18 |
| 2025 | 25 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for dosing slurries to remove suspended solids
US-2019330088-A1 · Oct 31, 2019 · US
Automated chemical feed to wastewater based on measurements of organics
US-2019248677-A1 · Aug 15, 2019 · US
Removing Heavy Metals in a Ballasted Process
US-2019194048-A1 · Jun 27, 2019 · US
System and methods of determining liquid phase turbidity of multiphase wastewater
US-10281383-B2 · May 7, 2019 · US
Method of tracing chemical quantities using encapsulated fluorescent dyes
US-10139385-B2 · Nov 27, 2018 · US
Primary treatment of wastewater with switching from reagent-free operation to operation with reagent
US-2018319688-A1 · Nov 8, 2018 · US
Process for capture of carbon dioxide and desalination
US-10118843-B2 · Nov 6, 2018 · US
System and method for treating contaminated wastewater
US-10112849-B2 · Oct 30, 2018 · US
Multibubble injection type dissolved air flotation water treatment apparatus
US-10093554-B2 · Oct 9, 2018 · US
Addition of aluminum reagents to oxoanion-containing water streams
US-10071923-B2 · Sep 11, 2018 · US
Techniques for agglomerating mature fine tailing by injecting a polymer in a process flow
US-10071352-B2 · Sep 11, 2018 · US
Control method of washing machine with washing water recycling function and washing machine
US-2018223468-A1 · Aug 9, 2018 · US
Method for detecting and controlling the amount of cationic species in a water stream
US-2018208489-A1 · Jul 26, 2018 · US
Flocculation washing machine and control method thereof
US-2018202092-A1 · Jul 19, 2018 · US
Water softening treatment using in-situ ballasted flocculation system
US-2018194656-A1 · Jul 12, 2018 · US
Water treatment system, power generation plant, and method for controlling water treatment system
US-2018194642-A1 · Jul 12, 2018 · US
Method for separating polishing material and regenerated polishing material
US-10017675-B2 · Jul 10, 2018 · US
Control method of flocculation washing machine, and washing machine
US-2018171529-A1 · Jun 21, 2018 · US
Optical determination of anionic charge in a process stream
US-9989476-B2 · Jun 5, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/5209?
- CPC C02F1/5209 is the Cooperative Patent Classification code for “Regulation methods for flocculation or precipitation.”
- How many patents are filed under CPC C02F1/5209 (Regulation methods for flocculation or precipitation)?
- Our database includes 215 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/5209 growing?
- Publication counts under this code: 18 in 2024 vs 25 in 2025 (latest complete years).