Air purifier
US-2021018195-A1 · Jan 21, 2021 · US
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Mechanical Engineering
Mechanical Engineering · 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 | F24F2003/1617 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 17 |
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 | 4 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hybrid humidity controller and air purifier
US-2020408427-A1 · Dec 31, 2020 · US
Air treatment device and air conditioner indoor unit having the same
US-2020149750-A1 · May 14, 2020 · US
Wind-Direction Adjustable Air Purifier
US-2020063991-A1 · Feb 27, 2020 · US
Air humidification and/or purification
US-10364994-B2 · Jul 30, 2019 · US
Humidification and air cleaning apparatus
US-10203123-B2 · Feb 12, 2019 · US
Humidifying air cleaner
US-10190786-B2 · Jan 29, 2019 · US
Air humidification and/or purification
US-2018274804-A1 · Sep 27, 2018 · US
Apparatus for gas cleaning
US-9943800-B2 · Apr 17, 2018 · US
Systems and methods for air-conditioning systems with scrubbing systems including a scrubbing bypass mode
US-9939163-B2 · Apr 10, 2018 · US
Hybrid air conditioning apparatus
US-2017350607-A1 · Dec 7, 2017 · US
Cooling module for modular data center and system comprising the cooling module and at least one server module
US-9632547-B2 · Apr 25, 2017 · US
Humidification device
US-9518750-B2 · Dec 13, 2016 · US
Forced evaporative humidifier using nano-vapor
US-9518749-B2 · Dec 13, 2016 · US
Methods and systems for managing air quality and energy use in air-conditioning systems
US-2016282001-A1 · Sep 29, 2016 · US
Air purification system and method using an ultrasonic wave
US-9403114-B2 · Aug 2, 2016 · US
Apparatus and method for capture and inactivation of microbes and viruses
US-9216233-B2 · Dec 22, 2015 · US