Air purifier
US-2021080130-A1 · Mar 18, 2021 · US
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 | F24F2003/1689 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 7 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 2 |
| 2021 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Automatically moving floor treatment appliance
US-10932641-B2 · Mar 2, 2021 · US
Slim-type air processing device
US-10900671-B2 · Jan 26, 2021 · US
Air purifier and atmosphere scenting
US-10828386-B2 · Nov 10, 2020 · US
Wind-Direction Adjustable Air Purifier
US-2020063991-A1 · Feb 27, 2020 · US
Air analyzer and treatment apparatus
US-10502439-B2 · Dec 10, 2019 · US
Air conditioner and operating method thereof
US-10495323-B2 · Dec 3, 2019 · US
Method for controlling a fan
US-10443881-B2 · Oct 15, 2019 · US
Systems for coupling the operations of an environmental modifying unit and a smart appliance
US-10437266-B2 · Oct 8, 2019 · US
Systems and methods for coupling the operations of a volatile composition dispenser and a smart appliance
US-10416687-B2 · Sep 17, 2019 · US
Electronic vapor and analysis with HVAC integration
US-10215430-B2 · Feb 26, 2019 · US
Localized air sensing and treatment
US-10215429-B2 · Feb 26, 2019 · US
Automatically moving floor treatment appliance
US-2018353044-A1 · Dec 13, 2018 · US
Methods for emitting and refills for holding two or more compositions
US-10131483-B2 · Nov 20, 2018 · US
Air purge method in a vehicle and an air purge system
US-2018304719-A1 · Oct 25, 2018 · US
Air analyzer and treatment apparatus
US-10060639-B2 · Aug 28, 2018 · US
Air analyzer and treatment apparatus
US-2018216838-A1 · Aug 2, 2018 · US
Methods for emitting and refills for holding two or more compositions
US-2017362011-A1 · Dec 21, 2017 · US
Methods for emitting and refills for holding two or more compositions
US-9783357-B2 · Oct 10, 2017 · US
Deodorization and sterilization apparatus and method
US-9717816-B2 · Aug 1, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F2003/1689?
- CPC F24F2003/1689 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F24F2003/1689 (Mechanical Engineering)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC F24F2003/1689 growing?
- Publication counts under this code: 2 in 2020 vs 3 in 2021 (latest complete years).