Water treatment method and water treatment apparatus
US-2024383788-A1 · Nov 21, 2024 · US
Controlling or regulating
Controlling or regulating · 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 | B01D61/12 |
| Official title | Controlling or regulating |
| Display label | Controlling or regulating |
| Total patents | 465 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 40 |
| 2017 | 36 |
| 2018 | 42 |
| 2019 | 50 |
| 2020 | 44 |
| 2021 | 39 |
| 2022 | 51 |
| 2023 | 37 |
| 2024 | 43 |
| 2025 | 51 |
| 2026 | 14 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reverse osmosis system
US-2024278178-A1 · Aug 22, 2024 · US
Seawater pretreatment device
US-2016368796-A1 · Dec 22, 2016 · US
Water treatment plant controlling method and controlling program, and water treatment system
US-2016362305-A1 · Dec 15, 2016 · US
Reverse osmosis membrane filtering device
US-2016354725-A1 · Dec 8, 2016 · US
Water treatment system
US-2016346735-A1 · Dec 1, 2016 · US
Gas sparger for an immersed membrane
US-2016310905-A1 · Oct 27, 2016 · US
Water treatment system and method
US-2016257576-A1 · Sep 8, 2016 · US
Seawater desalination system and energy recovery device
US-2016250595-A1 · Sep 1, 2016 · US
Membrane treatment/separation plant and control system
US-2016244339-A1 · Aug 25, 2016 · US
Liquid treatment apparatus
US-2016244343-A1 · Aug 25, 2016 · US
Measuring apparatus for membrane fouling index
US-2016238513-A1 · Aug 18, 2016 · US
Separation off of a homogeneous catalyst from a reaction mixture with the help of organophilic nanofiltration
US-2016236150-A1 · Aug 18, 2016 · US
Reverse osmosis system
US-9416795-B2 · Aug 16, 2016 · US
Seawater desalination system
US-2016220957-A1 · Aug 4, 2016 · US
Scale detection device and method for concentrating device, and water reclamation processing treatment system
US-2016207811-A1 · Jul 21, 2016 · US
Hyperfiltration system suitable for household use
US-2016200597-A1 · Jul 14, 2016 · US
Desalination system with energy recovery and related pumps, valves and controller
US-9387440-B2 · Jul 12, 2016 · US
Integrated composite filter and water purification system having the same
US-2016175746-A1 · Jun 23, 2016 · US
Seawater desalination system and seawater desalination method
US-2016176740-A1 · Jun 23, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D61/12?
- CPC B01D61/12 is the Cooperative Patent Classification code for “Controlling or regulating.”
- How many patents are filed under CPC B01D61/12 (Controlling or regulating)?
- Our database includes 465 publications tagged with this CPC code.
- Is patent activity under CPC B01D61/12 growing?
- Publication counts under this code: 43 in 2024 vs 51 in 2025 (latest complete years).