• All sections
• G - Physics
• G01N - Investigating or analysing materials by determining their chemical or physical properties
• G01N 27/18 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested

Patent holdings for IPC class G01N 27/18

Total number of patents in this class: 254

10-year publication summary

Principal owners for this class