• All sections
• G - Physics
• G01F - Measuring volume, volume flow, mass flow, or liquid levelmetering by volume
• G01F 23/02 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid

Patent holdings for IPC class G01F 23/02

Total number of patents in this class: 221

10-year publication summary

Principal owners for this class