Portable smart flow controller
US-2023358646-A1 · Nov 9, 2023 · US
Fans
Fans · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N2001/245 |
| Official title | {Fans} |
| Display label | Fans |
| Total patents | 101 |
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 | 7 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 15 |
| 2023 | 16 |
| 2024 | 19 |
| 2025 | 15 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Measuring indoor air quality for a heating, ventilation, and air conditioning system
US-2023324262-A1 · Oct 12, 2023 · US
Device for detecting gas and controlling volume of clean gas
US-2023304904-A1 · Sep 28, 2023 · US
Systems and methods for off-gas detection
US-2023280323-A1 · Sep 7, 2023 · US
Open-ended hollow coaxial cable resonator sensor
US-11740171-B2 · Aug 29, 2023 · US
Gas analysis system for vehicles and arrangement of such systems
US-2023266300-A1 · Aug 24, 2023 · US
Odor sniffing device and vehicle-mounted security inspection apparatus for container
US-2023236093-A1 · Jul 27, 2023 · US
Membrane for collecting airborne particles
US-2023191426-A1 · Jun 22, 2023 · US
Portable air sampler
US-11662279-B2 · May 30, 2023 · US
Filter-based air sampler capable of integration into small unmanned aerial vehicles
US-11619570-B1 · Apr 4, 2023 · US
Particle detection device and a method for detecting airborne particles
US-11609173-B2 · Mar 21, 2023 · US
Indoor air quality monitor
US-2023014910-A1 · Jan 19, 2023 · US
Operating an aspirating fire detector system
US-2022401776-A1 · Dec 22, 2022 · US
Aerosol collectors with removable inlet assembly
US-2022397494-A1 · Dec 15, 2022 · US
Aspirating smoke detection unit for reducing environmental electrostatic charge and the spread of airborne contaminants
US-2022357263-A1 · Nov 10, 2022 · US
Heat and volatile-organic-compounds detecting systems
US-2022333995-A1 · Oct 20, 2022 · US
Pollutant detection devices and monitoring system having the same
US-2022283119-A1 · Sep 8, 2022 · US
Kit for concentrating low-concentration air pollutants
US-2022266192-A1 · Aug 25, 2022 · US
Wear debris collection device, analysis system, wear debris collection method, and analysis method
US-11408471-B2 · Aug 9, 2022 · US
Portable smoke detector and method for identifying smoke generation position
US-11393312-B2 · Jul 19, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N2001/245?
- CPC G01N2001/245 is the Cooperative Patent Classification code for “Fans.”
- How many patents are filed under CPC G01N2001/245 (Fans)?
- Our database includes 101 publications tagged with this CPC code.
- Is patent activity under CPC G01N2001/245 growing?
- Publication counts under this code: 19 in 2024 vs 15 in 2025 (latest complete years).