System and method of detecting fluid levels in tanks
US-2024003733-A1 · Jan 4, 2024 · US
Light {, e.g. infrared or ultraviolet}
Light {, e.g. infrared or ultraviolet} · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01F23/292 |
| Official title | Light {, e.g. infrared or ultraviolet} |
| Display label | Light {, e.g. infrared or ultraviolet} |
| Total patents | 581 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 33 |
| 2016 | 37 |
| 2017 | 36 |
| 2018 | 53 |
| 2019 | 60 |
| 2020 | 56 |
| 2021 | 46 |
| 2022 | 47 |
| 2023 | 68 |
| 2024 | 73 |
| 2025 | 53 |
| 2026 | 19 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Integrated active fuel characteristic sensor
US-2016377587-A1 · Dec 29, 2016 · US
System for determining a liquid quantity and orientation
US-9528871-B2 · Dec 27, 2016 · US
Fuel tank structure
US-2016368370-A1 · Dec 22, 2016 · US
Optical determination of the position of the stopper in glass ampoules
US-2016363438-A1 · Dec 15, 2016 · US
Robotic arm
US-2016349278-A1 · Dec 1, 2016 · US
Ruggedized photonic crystal sensor packaging
US-9500808-B2 · Nov 22, 2016 · US
Centrifuge system and workflow
US-9482684-B2 · Nov 1, 2016 · US
Bathymetric techniques using satellite imagery
US-2016314336-A1 · Oct 27, 2016 · US
Melt gap measuring apparatus, crystal growth apparatus and melt gap measuring method
US-2016312379-A1 · Oct 27, 2016 · US
Method and apparatus for measuring liquid level of cell culture solution
US-9470572-B2 · Oct 18, 2016 · US
Estimating available volumes using imaging data
US-9460524-B1 · Oct 4, 2016 · US
Optical determination of the position of the stopper in glass ampoules
US-9435666-B2 · Sep 6, 2016 · US
System for automated detection in beverage dispensing machines
US-2016238414-A1 · Aug 18, 2016 · US
Device and method for measuring liquid level
US-2016238428-A1 · Aug 18, 2016 · US
Radar beam deflection unit for a radar level indicator
US-9419343-B2 · Aug 16, 2016 · US
Floating roof monitoring with laser distance measurement
US-2016229627-A1 · Aug 11, 2016 · US
Multi-Functional Fiber Optic Fuel Sensor System Having a Photonic Membrane
US-2016231231-A1 · Aug 11, 2016 · US
Non-contact deviation measurement system
US-2016202049-A1 · Jul 14, 2016 · US
Anomalous tide level fluctuation sensing device, anomalous tide level fluctuation sensing method, and anomalous tide level fluctuation sensing program
US-2016203696-A1 · Jul 14, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01F23/292?
- CPC G01F23/292 is the Cooperative Patent Classification code for “Light {, e.g. infrared or ultraviolet}.”
- How many patents are filed under CPC G01F23/292 (Light {, e.g. infrared or ultraviolet})?
- Our database includes 581 publications tagged with this CPC code.
- Is patent activity under CPC G01F23/292 growing?
- Publication counts under this code: 73 in 2024 vs 53 in 2025 (latest complete years).