Uniform spray-coating, cumulatively-stacking and squeezing solid-liquid separation system
US-2025205619-A1 · Jun 26, 2025 · US
Systems for applying pressure to filters
Systems for applying pressure to filters · 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 | B01D2201/202 |
| Official title | Systems for applying pressure to filters |
| Display label | Systems for applying pressure to filters |
| Total patents | 65 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 3 |
| 2020 | 7 |
| 2021 | 10 |
| 2022 | 7 |
| 2023 | 13 |
| 2024 | 4 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Integrated solution for process intensification using inline constantly pressurized tank: "icpt"
US-2024382878-A1 · Nov 21, 2024 · US
Air filtration system and method
US-12134305-B2 · Nov 5, 2024 · US
High pressure filter apparatus with external sleeve and related methods
US-2024226785-A9 · Jul 11, 2024 · US
High pressure filter apparatus with external sleeve and related methods
US-2024131458-A1 · Apr 25, 2024 · US
Pressurizing centrifugal dehydrator
US-11833458-B2 · Dec 5, 2023 · US
Sustainable, facile separation of the molten carbonate electrolysis cathode product
US-11834749-B2 · Dec 5, 2023 · US
Sustainable, facile separation of the molten carbonate electrolysis cathode product
US-11821094-B2 · Nov 21, 2023 · US
Bridging liquid between microfluidic elements without closed channels
US-11781954-B2 · Oct 10, 2023 · US
Filter system for a wind turbine, a wind turbine having a filter system and method for changing an oil filter of a filter system
US-11761531-B2 · Sep 19, 2023 · US
Liquid discharge filter and its use
US-11717775-B2 · Aug 8, 2023 · US
Candle filter device
US-2023226470-A1 · Jul 20, 2023 · US
Tangential flow filtration module and tangential flow filtration assembly
US-11684874-B2 · Jun 27, 2023 · US
Slurry filter assembly
US-2023173415-A1 · Jun 8, 2023 · US
Sustainable, facile separation of the molten carbonate electrolysis cathode product
US-2023175154-A1 · Jun 8, 2023 · US
Air filtration system and method
US-2023143870-A1 · May 11, 2023 · US
Water filter system
US-11638891-B2 · May 2, 2023 · US
Filter system and method for filtering
US-2023058172-A1 · Feb 23, 2023 · US
Remotely actuated valve for a biological liquid treatment system
US-11499647-B2 · Nov 15, 2022 · US
Remotely actuated valve for a biological liquid treatment system
US-2022356959-A1 · Nov 10, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2201/202?
- CPC B01D2201/202 is the Cooperative Patent Classification code for “Systems for applying pressure to filters.”
- How many patents are filed under CPC B01D2201/202 (Systems for applying pressure to filters)?
- Our database includes 65 publications tagged with this CPC code.
- Is patent activity under CPC B01D2201/202 growing?
- Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).