Filter module with a filter element and with a fastening frame and air filter device with a filter module
US-10493391-B2 · Dec 3, 2019 · US
for cleaning of environmental air, e.g. by filters installed on vehicles or on streets
for cleaning of environmental air, e.g. by filters installed on vehicles or on streets · 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 | B01D2279/40 |
| Official title | for cleaning of environmental air, e.g. by filters installed on vehicles or on streets |
| Display label | for cleaning of environmental air, e.g. by filters installed on vehicles or on streets |
| Total patents | 274 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 11 |
| 2017 | 25 |
| 2018 | 19 |
| 2019 | 28 |
| 2020 | 27 |
| 2021 | 34 |
| 2022 | 36 |
| 2023 | 34 |
| 2024 | 28 |
| 2025 | 25 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Climate control filter monitoring system and method of monitoring the useful life of a climate control system filter
US-10363510-B1 · Jul 30, 2019 · US
Air purification system and method of assembling
US-10322811-B2 · Jun 18, 2019 · US
Filter medium, filter element and filter arrangement
US-10300419-B2 · May 28, 2019 · US
Filter element having a flap and a filter system
US-10155431-B2 · Dec 18, 2018 · US
Smart multi-modal vehicular air filtering system and associated methods
US-2018345762-A1 · Dec 6, 2018 · US
Air guide housing and ventilation, heating or air conditioning system with such an air guide housing
US-10137753-B2 · Nov 27, 2018 · US
Drawer type air cleaner having increased maintenance convenience, and intake system and vehicle having the same
US-10132276-B2 · Nov 20, 2018 · US
Air filtration for a mobile mining machine
US-2018318743-A1 · Nov 8, 2018 · US
Ventilation system in a mobile structure and method for operating a ventilation system in a mobile structure
US-2018319256-A1 · Nov 8, 2018 · US
Method and device for capturing particles ejected by the friction braking elements of a disk brake system
US-10072716-B2 · Sep 11, 2018 · US
Filter arrangement for a mobile device
US-2018250624-A1 · Sep 6, 2018 · US
Supply air arrangement for a mobile device
US-2018250621-A1 · Sep 6, 2018 · US
Frameless self-lock filter and air cleaner using the same
US-2018161713-A1 · Jun 14, 2018 · US
Filter element
US-2018154298-A1 · Jun 7, 2018 · US
Vehicle filter system
US-9987581-B2 · Jun 5, 2018 · US
Filter insert piece comprising a pleated filter element
US-9987571-B2 · Jun 5, 2018 · US
Air filter with fluted media and stand-alone preform shell
US-2018142650-A1 · May 24, 2018 · US
Medical air treatment device
US-2018133084-A1 · May 17, 2018 · US
Gas filter
US-2018126316-A1 · May 10, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2279/40?
- CPC B01D2279/40 is the Cooperative Patent Classification code for “for cleaning of environmental air, e.g. by filters installed on vehicles or on streets.”
- How many patents are filed under CPC B01D2279/40 (for cleaning of environmental air, e.g. by filters installed on vehicles or on streets)?
- Our database includes 274 publications tagged with this CPC code.
- Is patent activity under CPC B01D2279/40 growing?
- Publication counts under this code: 28 in 2024 vs 25 in 2025 (latest complete years).