• All sections
• G - Physics
• G01D - Measuring not specially adapted for a specific variablearrangements for measuring two or more variables not covered by a single other subclasstariff metering apparatustransferring or transducing arrangements not specially adapted for a specific variablemeasuring or testing not otherwise provided for
• G01D 15/04 - Styli or other recording elements acting to mechanically deform or perforate the recording surface acting to punch holes in the recording surface

Patent holdings for IPC class G01D 15/04

Total number of patents in this class: 3

10-year publication summary

Principal owners for this class