Multi-functional equipment for direct decarbonization with improved indoor air quality
US-12480672-B2 · Nov 25, 2025 · US
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using biological materials, plants or microorganisms
using biological materials, plants or microorganisms · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F24F8/175 |
| Official title | using biological materials, plants or microorganisms |
| Display label | using biological materials, plants or microorganisms |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2023 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Indoor air cleaning apparatus for vehicle
US-2025242306-A1 · Jul 31, 2025 · US
Indoor air cleaning system
US-2025129962-A1 · Apr 24, 2025 · US
Indoor air cleaning system
US-2025075929-A1 · Mar 6, 2025 · US
Pollutant removing air groove
US-2023324060-A1 · Oct 12, 2023 · US
System and method for circulating air
US-2023241553-A1 · Aug 3, 2023 · US
Multi-functional equipment for direct decarbonization with improved indoor air quality
US-2023125924-A1 · Apr 27, 2023 · US
Air purifier
US-2021270477-A1 · Sep 2, 2021 · US
Air quality control system and management
US-2021164682-A1 · Jun 3, 2021 · US
Self-power air refresher system
US-10921003-B2 · Feb 16, 2021 · US
Self-power air refresher system
US-2020124300-A1 · Apr 23, 2020 · US
Module of ventilation and biological purification of internal and external air to an environment, and relevant method
US-10576418-B2 · Mar 3, 2020 · US
Module of ventilation and biological purification of internal and external air to an environment, and relevant method
US-2019111386-A1 · Apr 18, 2019 · US
Biofilters for living spaces
US-9534800-B2 · Jan 3, 2017 · US
Apparatus and method for capture and inactivation of microbes and viruses
US-9216233-B2 · Dec 22, 2015 · US