• All sections
• G - Physics
• G01B - Measuring length, thickness or similar linear dimensionsmeasuring anglesmeasuring areasmeasuring irregularities of surfaces or contours
• G01B 21/22 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapersMeasuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for testing the alignment of axes

Patent holdings for IPC class G01B 21/22

Total number of patents in this class: 521

10-year publication summary

Principal owners for this class