H01M 8/0444 Concentration; Density (H01M8/04492 takes precedence)
Introduced: January 2016
Title
Titles differ between systems:
IPC: Concentration; Density
CPC: Concentration; Density (H01M8/04492 takes precedence)
Full Title
Full titles differ between systems:
Fuel cells; Manufacture thereof > Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids > Processes for controlling fuel cells or fuel cell systems > characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function > Concentration; Density
Fuel cells; Manufacture thereof > Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids > Processes for controlling fuel cells or fuel cell systems > characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function > Concentration; Density (H01M8/04492 takes precedence)
Of 6 combined children, 0 exist in both systems.
6 codes are CPC-only extensions.
Child Classifications
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