Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G01K 11/12

using changes in colour, translucency or reflectance

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Measuring temperature based on physical or chemical changes not covered by group , , , or > using changes in colour, translucency or reflectance

CPC:

Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 > using changes in colour, translucency or reflectance

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

Child Classifications

Navigate with arrow keys, Enter to open

  • G01K 11/125 using changes in reflectance since 2021 IPC+CPC Available in IPC and CPC
  • G01K 11/14 of inorganic materials IPC+CPC Available in IPC and CPC
  • G01K 11/18 of materials which change translucency IPC+CPC Available in IPC and CPC