Rotary filter system, a rotary filter device and a separation system
US-2023405530-A1 · Dec 21, 2023 · US
rotatable
rotatable · 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 | B01D46/26 |
| Official title | rotatable |
| Display label | rotatable |
| Total patents | 78 |
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 | 1 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 11 |
| 2021 | 11 |
| 2022 | 12 |
| 2023 | 7 |
| 2024 | 14 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Purification device for purifying air and air purifier having same
US-11833466-B2 · Dec 5, 2023 · US
Air purifier
US-11794143-B2 · Oct 24, 2023 · US
Utilizing a mechanical seal between a filter media and an endcap of a rotating filter cartridge
US-11654385-B2 · May 23, 2023 · US
Blow-by gas filtration assembly with support bearing
US-2023054374-A1 · Feb 23, 2023 · US
Rotating Coalescing Element with Directed Liquid Drainage and Gas Outlet
US-2023036998-A1 · Feb 2, 2023 · US
Filter device and method for changing a filter element
US-11549704-B2 · Jan 10, 2023 · US
Rotating coalescing element with directed liquid drainage and gas outlet
US-11504665-B2 · Nov 22, 2022 · US
Screening device with at least one suction nozzle
US-2022346314-A1 · Nov 3, 2022 · US
Impulse turbine with non-wetting surface for improved hydraulic efficiency
US-11471808-B2 · Oct 18, 2022 · US
Blow-by filtration assembly with shaft comprising outflow portion
US-2022290591-A1 · Sep 15, 2022 · US
Blow-by gas filtration assembly with threaded filter portion
US-2022290590-A1 · Sep 15, 2022 · US
Filter system and replaceable filter cartridge
US-2022280893-A1 · Sep 8, 2022 · US
Separation assembly with a two-piece impulse turbine
US-11352999-B2 · Jun 7, 2022 · US
Filter system and replaceable filter cartridge
US-11331610-B2 · May 17, 2022 · US
Systems and methods for attaching and retaining a filter element on a rotating shaft
US-11331608-B2 · May 17, 2022 · US
Filter cartridges; air cleaner assemblies; housings; features; components; and, methods
US-2022047984-A1 · Feb 17, 2022 · US
Blow-by gas filtration assembly with support group
US-2022025792-A1 · Jan 27, 2022 · US
Air treatment module and air conditioner
US-11229869-B2 · Jan 25, 2022 · US
Filter screen component, base assembly, clothes dryer, and washing and drying integrated machine
US-2021394106-A1 · Dec 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/26?
- CPC B01D46/26 is the Cooperative Patent Classification code for “rotatable.”
- How many patents are filed under CPC B01D46/26 (rotatable)?
- Our database includes 78 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/26 growing?
- Publication counts under this code: 14 in 2024 vs 4 in 2025 (latest complete years).