Spin-on fluid treatment device and methods
US-2025099885-A1 · Mar 27, 2025 · US
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arranged concentrically or coaxially
arranged concentrically or coaxially · 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 | B01D27/144 |
| Official title | {arranged concentrically or coaxially} |
| Display label | arranged concentrically or coaxially |
| Total patents | 21 |
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 | 2 |
| 2016 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Spin-on fluid treatment device and methods
US-12161959-B2 · Dec 10, 2024 · US
Modular Graphene Oxide-Based Microbial Fuel Filter and Process of Making and Using Same
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Filter element having two filter media
US-11642612-B2 · May 9, 2023 · US
Filter media, filter cartridge containing filter media, and method of filtering water
US-2023002245-A1 · Jan 5, 2023 · US
Filter media, filter cartridge containing filter media, and method of filtering water
US-2023002246-A1 · Jan 5, 2023 · US
Filter system and method
US-11433330-B2 · Sep 6, 2022 · US
Filter element with torsion lock and/or sliding piston, assembly and methods
US-11305213-B2 · Apr 19, 2022 · US
Spin-on fluid treatment device and methods
US-2021331100-A1 · Oct 28, 2021 · US
Filter Element with a Receiving Chamber Containing a Drying Agent, and Fluid Filter
US-2021252438-A1 · Aug 19, 2021 · US
Filter element having two filter media
US-2021187418-A1 · Jun 24, 2021 · US
Spin-on fluid treatment device and methods
US-11014026-B2 · May 25, 2021 · US
Filter system and method
US-2020360840-A1 · Nov 19, 2020 · US
Filter element with torsion lock and/or sliding piston, assembly and methods
US-2020086241-A1 · Mar 19, 2020 · US
Spin-on fluid treatment device and methods
US-2019046907-A1 · Feb 14, 2019 · US
Fuel filter for vehicle
US-10201770-B2 · Feb 12, 2019 · US
Fluid filtration apparatus and method
US-10112134-B2 · Oct 30, 2018 · US
Fuel filter for vehicle
US-2016361671-A1 · Dec 15, 2016 · US
Filter cartridge
US-9266043-B2 · Feb 23, 2016 · US
Fluid Filtration Apparatus and Method
US-2015283486-A1 · Oct 8, 2015 · US