• 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 9/30 - Producing one or more recordings, each recording being of the values of two or more different variables there being a separate recording element for each variable, e.g. multiple-pen recorder

Patent holdings for IPC class G01D 9/30

Total number of patents in this class: 3

10-year publication summary

Principal owners for this class