Measuring arrangements characterised by the use of fluids

Introduced: September 1968

IPC and CPC are identically structured here. All 9 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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G01B 13/02 for measuring length, width or thickness (G01B13/08 takes precedence) IPC+CPC Available in IPC and CPC
G01B 13/08 for measuring diameters IPC+CPC Available in IPC and CPC
G01B 13/12 for measuring distance or clearance between spaced objects or spaced apertures (G01B13/18 takes precedence) IPC+CPC Available in IPC and CPC
G01B 13/14 for measuring depth IPC+CPC Available in IPC and CPC
G01B 13/16 for measuring contours or curvatures IPC+CPC Available in IPC and CPC
G01B 13/18 for measuring angles or tapers; for testing the alignment of axes IPC+CPC Available in IPC and CPC
G01B 13/20 for measuring areas, e.g. pneumatic planimeters IPC+CPC Available in IPC and CPC
G01B 13/22 for measuring roughness or irregularity of surfaces IPC+CPC Available in IPC and CPC
G01B 13/24 for measuring the deformation in a solid since 1980 IPC+CPC Available in IPC and CPC