Scraped-surface salt separator with a scraper plate which slides into a precipated-salt resolubilization zone and associated biomass gasification facility
US-2025387729-A1 · Dec 25, 2025 · US
Heating or cooling mechanisms specially adapted for settling tanks
Heating or cooling mechanisms specially adapted for settling tanks · 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 | B01D21/009 |
| Official title | {Heating or cooling mechanisms specially adapted for settling tanks} |
| Display label | Heating or cooling mechanisms specially adapted for settling tanks |
| Total patents | 50 |
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 | 5 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 2 |
| 2019 | 11 |
| 2020 | 2 |
| 2021 | 9 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Removing non-homogeneous ice from a fuel system
US-12372050-B2 · Jul 29, 2025 · US
Systems and methods for activating and dewatering sludge using acoustic pressure shock waves
US-12110238-B2 · Oct 8, 2024 · US
Sand cleaning and disposal system and method
US-11819784-B2 · Nov 21, 2023 · US
Systems and methods for activating and dewatering sludge using acoustic pressure shock waves
US-2022371922-A1 · Nov 24, 2022 · US
Systems and methods for separating surface materials from a fluid using acoustic pressure shock waves
US-11254589-B2 · Feb 22, 2022 · US
Internally heated screws
US-11236560-B2 · Feb 1, 2022 · US
Etching solution recycling system and method for wafer etching apparatus
US-11229856-B2 · Jan 25, 2022 · US
Device for efficient continuous electrokinetic dewatering of phosphatic clay suspensions
US-11208342-B2 · Dec 28, 2021 · US
Removing non-homogeneous ice from a fuel system
US-2021388766-A1 · Dec 16, 2021 · US
Concentrically baffled reactors and systems that incorporate them
US-11162061-B2 · Nov 2, 2021 · US
Removing non-homogeneous ice from a fuel system
US-11105267-B2 · Aug 31, 2021 · US
Device for Efficient Continuous Electrokinetic Dewatering of Phosphatic Clay Suspensions
US-2021206682-A9 · Jul 8, 2021 · US
Waste treatment device
US-2021188680-A1 · Jun 24, 2021 · US
Sand cleaning and disposal system and method
US-2021146280-A1 · May 20, 2021 · US
Internally heated screws
US-2021131202-A1 · May 6, 2021 · US
System and method to process effluent brine and interface rag from an oil dehydration/desalting system
US-10913013-B2 · Feb 9, 2021 · US
Separation of compounds
US-2020086238-A1 · Mar 19, 2020 · US
Systems and methods for separating heavy water from normal water using acoustic pressure shock waves
US-10562793-B2 · Feb 18, 2020 · US
Systems and methods for separating surface materials from a fluid using acoustic pressure shock waves
US-2019330082-A1 · Oct 31, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D21/009?
- CPC B01D21/009 is the Cooperative Patent Classification code for “Heating or cooling mechanisms specially adapted for settling tanks.”
- How many patents are filed under CPC B01D21/009 (Heating or cooling mechanisms specially adapted for settling tanks)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC B01D21/009 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).