Neutralization/water separation tank for esterified product and neutralization/water separation method for esterified product
US-2025256221-A1 · Aug 14, 2025 · US
bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids
bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids · 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 | B01D21/2488 |
| Official title | {bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids} |
| Display label | bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids |
| Total patents | 37 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 7 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Neutralization/water separation tank for esterified product and neutralization/water separation method for esterified product
US-12337262-B2 · Jun 24, 2025 · US
Shot peening apparatus
US-12090604-B2 · Sep 17, 2024 · US
Feed dilution apparatus for thickener/clarifiers
US-12064713-B2 · Aug 20, 2024 · US
Feed dilution apparatus for thickener/clarifiers
US-2024091675-A1 · Mar 21, 2024 · US
Methods and systems for enhancing cooling pond performance and salt production in a solution mining operation
US-11806638-B2 · Nov 7, 2023 · US
Water treatment plant having integrated ballasted flocculation and decantation, and a corresponding method
US-11787712-B2 · Oct 17, 2023 · US
Method and process arrangement for improving a separation and solid product
US-2023279448-A1 · Sep 7, 2023 · US
Liquid processing apparatus and liquid processing method
US-11623166-B2 · Apr 11, 2023 · US
Multiphase separator, and method of separating a multiphase fluid
US-11458422-B2 · Oct 4, 2022 · US
Shot peening apparatus
US-2022250207-A1 · Aug 11, 2022 · US
Neutralization/water separation tank for esterified product and neutralization/water separation method for esterified product
US-2022193574-A1 · Jun 23, 2022 · US
Methods and systems for enhancing cooling pond performance and salt production in a solution mining operation
US-2021402316-A1 · Dec 30, 2021 · US
Liquid processing apparatus and liquid processing method
US-2021402329-A1 · Dec 30, 2021 · US
Green liquor clarification using sedimentation tank during white liquor preparation
US-11174591-B2 · Nov 16, 2021 · US
Methods and systems for enhancing cooling pond performance and salt production in a solution mining operation
US-11117069-B2 · Sep 14, 2021 · US
MULTIPHASE SEPARATOR, AND METHOD OF SEPARATING A MULTlPHASE FLUID
US-2020346140-A1 · Nov 5, 2020 · US
Green liquor clarification using sedimentation tank during white liquor preparation
US-2020340179-A1 · Oct 29, 2020 · US
Water treatment plant and corresponding method
US-2020155972-A1 · May 21, 2020 · US
Water treatment plant having integrated ballasted flocculation and decantation, and a corresponding method
US-2020131059-A1 · Apr 30, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D21/2488?
- CPC B01D21/2488 is the Cooperative Patent Classification code for “bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids.”
- How many patents are filed under CPC B01D21/2488 (bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC B01D21/2488 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).