• All sections
• G - Physics
• G01F - Measuring volume, volume flow, mass flow, or liquid levelmetering by volume
• G01F 23/22 - 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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water

Patent holdings for IPC class G01F 23/22

Total number of patents in this class: 429

10-year publication summary

Principal owners for this class