DIFF Subgroup
G01P 5/16 using Pitot tubes
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft > by measuring differences of pressure in the fluid > using Pitot tubes
CPC:
Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft (application of speed-measuring devices for measuring volume of fluid G01F) > by measuring differences of pressure in the fluid > using Pitot tubes
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
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- G01P 5/17 Coupling arrangements to the indicating device since 1980 IPC+CPC Available in IPC and CPC