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DIFF Main Group
G01P 5/00

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)

Introduced: September 1968

Title

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

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)

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

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)

Of 12 combined children, 8 exist in both systems.

4 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G01P 5/001 CPC only CPC only
  • G01P 5/003 CPC only CPC only
  • G01P 5/008 CPC only CPC only
  • G01P 5/01 by using swirlflowmeter since 1980 IPC+CPC Available in IPC and CPC
  • G01P 5/26 by measuring the direct influence of the streaming fluid on the properties of a detecting optical wave since 2000 IPC+CPC Available in IPC and CPC