Removal of part of a particle collection device
US-12594520-B2 · Apr 7, 2026 · US
Devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration or maintenance
Devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration or maintenance · 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 | B01D46/90 |
| Official title | Devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration or maintenance |
| Display label | Devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration or maintenance |
| Total patents | 51 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 8 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and device for removing reactive particles from a vacuum environment, and process plant for producing monocrystalline silicon ingots
US-2026077291-A1 · Mar 19, 2026 · US
Drainage device comprising a filter cleaning device
US-12558528-B2 · Feb 24, 2026 · US
Manifold assembly for trap filter systems
US-12420225-B2 · Sep 23, 2025 · US
Filter devices for additive manufacturing apparatuses
US-2025288935-A1 · Sep 18, 2025 · US
Implantable fluid movement device
US-2025229209-A1 · Jul 17, 2025 · US
Implantable fluid movement device
US-12233374-B2 · Feb 25, 2025 · US
Blood clot removal device, system, and method
US-2024399282-A1 · Dec 5, 2024 · US
Blood clot removal device, system, and method
US-12005386-B2 · Jun 11, 2024 · US
Method and device for filtering contaminated air
US-11938438-B2 · Mar 26, 2024 · US
Removal of part of a particle collection device
US-2024058737-A1 · Feb 22, 2024 · US
Blood clot removal device, system, and method
US-11839848-B2 · Dec 12, 2023 · US
Drainage device comprising an active filter
US-11826690-B2 · Nov 28, 2023 · US
Filter cleaning
US-11779179-B2 · Oct 10, 2023 · US
Filter device
US-11731070-B2 · Aug 22, 2023 · US
Modular filter system
US-2023233974-A1 · Jul 27, 2023 · US
Drainage device comprising a filter cleaning device
US-11660562-B2 · May 30, 2023 · US
Dynamic air filtration
US-2023141272-A1 · May 11, 2023 · US
Filter device and method for changing a filter element
US-11549704-B2 · Jan 10, 2023 · US
Filter device
US-11529581-B2 · Dec 20, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/90?
- CPC B01D46/90 is the Cooperative Patent Classification code for “Devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration or maintenance.”
- How many patents are filed under CPC B01D46/90 (Devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration or maintenance)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/90 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).