Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00

Introduced: September 1968

Title

Titles differ between systems:

IPC: Measuring temperature based on physical or chemical changes not covered by group , , , or

CPC: Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00

Full Title

Full titles differ between systems:

IPC:

Measuring temperature based on physical or chemical changes not covered by group , , , or

CPC:

Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00

Of 11 combined children, 9 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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G01K 11/003 CPC only CPC only
G01K 11/006 CPC only CPC only
G01K 11/02 using evaporation or sublimation, e.g. by observing boiling IPC+CPC Available in IPC and CPC
G01K 11/06 using melting, freezing, or softening IPC+CPC Available in IPC and CPC
G01K 11/10 using sintering IPC+CPC Available in IPC and CPC
G01K 11/12 using changes in colour, translucency or reflectance IPC+CPC Available in IPC and CPC
G01K 11/20 using thermoluminescent materials (G01K11/32 takes precedence) IPC+CPC Available in IPC and CPC
G01K 11/22 using measurement of acoustic effects IPC+CPC Available in IPC and CPC
G01K 11/28 using measurements of density IPC+CPC Available in IPC and CPC
G01K 11/30 using measurement of the effect of a material on X-radiation, gamma radiation or particle radiation since 1990 IPC+CPC Available in IPC and CPC
G01K 11/32 using changes in transmittance, scattering or luminescence in optical fibres since 1995 IPC+CPC Available in IPC and CPC