Reverse flow type multi-stage sedimentation rake-free thickening device
US-10994228-B2 · May 4, 2021 · US
Settling tanks {with single outlets for the separated liquid}
Settling tanks {with single outlets for the separated liquid} · 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 | B01D21/02 |
| Official title | Settling tanks {with single outlets for the separated liquid} |
| Display label | Settling tanks {with single outlets for the separated liquid} |
| Total patents | 96 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 14 |
| 2017 | 5 |
| 2018 | 10 |
| 2019 | 6 |
| 2020 | 12 |
| 2021 | 12 |
| 2022 | 13 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Removable trap stations for hydrocarbon flowlines
US-10905975-B2 · Feb 2, 2021 · US
Deep cone thickener with underflow concentration rapid auto-adjustment
US-10864463-B2 · Dec 15, 2020 · US
Green liquor clarification using sedimentation tank during white liquor preparation
US-2020340179-A1 · Oct 29, 2020 · US
Waste liquid treating apparatus
US-2020338478-A1 · Oct 29, 2020 · US
Deep cone thickener with underflow concentration rapid auto-adjustment
US-2020261828-A1 · Aug 20, 2020 · US
Method for purification of animal or vegetable fats
US-10738264-B2 · Aug 11, 2020 · US
Solid-liquid separation method, solid-liquid separation apparatus, and kit to be used therefor
US-10702864-B2 · Jul 7, 2020 · US
Removable Trap Stations for Hydrocarbon Flowlines
US-2020155973-A1 · May 21, 2020 · US
Apparatus and method for gravity separation and contained oil and natural gas production systems and methods
US-10639563-B2 · May 5, 2020 · US
Method and arrangement for controlling a dewatering process
US-2020129887-A1 · Apr 30, 2020 · US
Separation devices, associated methods, and systems
US-2020080047-A1 · Mar 12, 2020 · US
Waste water treatment method and waste water treatment apparatus
US-2020071206-A1 · Mar 5, 2020 · US
Separation device
US-10563495-B2 · Feb 18, 2020 · US
Devices for separation of particulates, associated methods and systems
US-10518196-B2 · Dec 31, 2019 · US
Method for purification of animal or vegetable fats
US-2019345409-A1 · Nov 14, 2019 · US
Fluid synthesis system
US-2019338174-A1 · Nov 7, 2019 · US
Separation device for separating a solid material from a conveying stream and method for maintaining such a separation device
US-2019299127-A1 · Oct 3, 2019 · US
Method for removing heavy metals from an aqueous solution
US-2019248682-A1 · Aug 15, 2019 · US
Separation Device
US-2019055829-A1 · Feb 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D21/02?
- CPC B01D21/02 is the Cooperative Patent Classification code for “Settling tanks {with single outlets for the separated liquid}.”
- How many patents are filed under CPC B01D21/02 (Settling tanks {with single outlets for the separated liquid})?
- Our database includes 96 publications tagged with this CPC code.
- Is patent activity under CPC B01D21/02 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).