Uniformly expandable air filter
US-11192059-B2 · Dec 7, 2021 · US
Shapes flexible in their geometry, e.g. bendable, adjustable to a certain size
Shapes flexible in their geometry, e.g. bendable, adjustable to a certain size · 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 | B01D2275/203 |
| Official title | Shapes flexible in their geometry, e.g. bendable, adjustable to a certain size |
| Display label | Shapes flexible in their geometry, e.g. bendable, adjustable to a certain size |
| Total patents | 103 |
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 | 5 |
| 2017 | 13 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 13 |
| 2021 | 18 |
| 2022 | 11 |
| 2023 | 15 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Air filter devices with gap sealing unit
US-2021187425-A1 · Jun 24, 2021 · US
Air purifier with hinged filter frame
US-11007466-B2 · May 18, 2021 · US
Air purifier with hinged filter frame
US-11007467-B2 · May 18, 2021 · US
Air purifier with hinged filter frame
US-2021138383-A1 · May 13, 2021 · US
Air purifier with hinged filter frame
US-2021121815-A1 · Apr 29, 2021 · US
Expandable air filters
US-10981099-B2 · Apr 20, 2021 · US
Universal air filters
US-2021106936-A1 · Apr 15, 2021 · US
Particulate Filter and Methods for Removing Particulates from a Particulate Filter
US-2021086122-A1 · Mar 25, 2021 · US
Particulate Filter and Methods for Removing Particulates from a Particulate Filter
US-2021086124-A1 · Mar 25, 2021 · US
Particulate Filter and Methods for Removing Particulates from a Particulate Filter
US-2021086123-A1 · Mar 25, 2021 · US
Air filter devices with gap sealing unit
US-10940416-B2 · Mar 9, 2021 · US
Air purifier with hinged filter frame
US-10918984-B2 · Feb 16, 2021 · US
Flexible filter cage for a make-up air module
US-2021018187-A1 · Jan 21, 2021 · US
Air purifier with hinged filter frame
US-2021001262-A1 · Jan 7, 2021 · US
Air purifier with hinged filter frame
US-2021001260-A1 · Jan 7, 2021 · US
Filter device and fixing means comprising a filter device of this type
US-2020353400-A1 · Nov 12, 2020 · US
Air purifier with hinged filter frame
US-10821389-B2 · Nov 3, 2020 · US
Air box for a vehicle
US-10760536-B2 · Sep 1, 2020 · US
Filter element with flat shape adapted to be locked in curved shape
US-10751657-B2 · Aug 25, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2275/203?
- CPC B01D2275/203 is the Cooperative Patent Classification code for “Shapes flexible in their geometry, e.g. bendable, adjustable to a certain size.”
- How many patents are filed under CPC B01D2275/203 (Shapes flexible in their geometry, e.g. bendable, adjustable to a certain size)?
- Our database includes 103 publications tagged with this CPC code.
- Is patent activity under CPC B01D2275/203 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).