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PCE
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DIFF Subgroup
G01P 3/26

Devices characterised by the use of fluids

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Measuring linear or angular speed; Measuring differences of linear or angular speeds > Devices characterised by the use of fluids

CPC:

Measuring linear or angular speed; Measuring differences of linear or angular speeds (G01P5/00 - G01P11/00 take precedence; ; counting mechanisms G06M) > Devices characterised by the use of fluids

Of 5 combined children, 3 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

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  • G01P 3/263 CPC only CPC only
  • G01P 3/266 CPC only CPC only
  • G01P 3/28 by using pumps IPC+CPC Available in IPC and CPC
  • G01P 3/34 by using friction effects IPC+CPC Available in IPC and CPC