Oil filter with two filtrate outlets and vehicle lubrication circuit
US-12564801-B2 · Mar 3, 2026 · US
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Several filtrate discharge conduits each connected to one filter element or group of filter elements
Several filtrate discharge conduits each connected to one filter element or group of filter elements · 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 | B01D2201/46 |
| Official title | Several filtrate discharge conduits each connected to one filter element or group of filter elements |
| Display label | Several filtrate discharge conduits each connected to one filter element or group of filter elements |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 6 |
| 2022 | 2 |
| 2024 | 5 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filter system for filtering fluids and filter element for filter system
US-2025345729-A1 · Nov 13, 2025 · US
Filter cartridge and filter having same
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Filter head, filter and filter assembly
US-2024238706-A1 · Jul 18, 2024 · US
Multiport filter housing and filter thereof
US-2024226779-A9 · Jul 11, 2024 · US
Oil filter, lubrication circuit including this filter and vehicle equipped with the lubrication circuit
US-2024149192-A1 · May 9, 2024 · US
Multiport filter housing and filter thereof
US-2024131455-A1 · Apr 25, 2024 · US
Filter element with integrated drain filter
US-2022362689-A1 · Nov 17, 2022 · US
Reverse osmosis filtering module and reverse osmosis filter comprising same
US-11266953-B2 · Mar 8, 2022 · US
Reverse osmosis filtering module and reverse osmosis filter comprising same
US-2020298181-A1 · Sep 24, 2020 · US
Fuel filter insert with a prefilter and a main filter element, and fuel filter
US-10773190-B2 · Sep 15, 2020 · US
Fuel filter insert, and fuel filter comprising a prefilter element and a main filter element and comprising a water separating unit
US-10765977-B2 · Sep 8, 2020 · US
Filter device
US-10702810-B2 · Jul 7, 2020 · US
Fuel filter comprising a fuel filter insert with a prefilter element and a main filter element
US-10668410-B2 · Jun 2, 2020 · US
Roller filtration apparatus
US-2020147531-A1 · May 14, 2020 · US
Filter device
US-2019240599-A1 · Aug 8, 2019 · US
Fuel Filter Insert, and Fuel Filter Comprising a Prefilter Element and a Main Filter Element and Comprising a Water Separating Unit
US-2018028949-A1 · Feb 1, 2018 · US
Filter assemblies, filter elements, and methods for filtering liquids
US-9782702-B2 · Oct 10, 2017 · US
Hydraulic filter
US-9480937-B2 · Nov 1, 2016 · US
Filter assemblies, filter elements, and methods for filtering liquids
US-2015336034-A1 · Nov 26, 2015 · US