related to heat exchange

Introduced: January 2016

Full Title

Fuel cells; Manufacture thereof > Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids > related to heat exchange

CPC subdivides this area 2x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

IPC defines codes here since 2016.

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H01M 8/04014 Heat exchange using gaseous fluids; Heat exchange by combustion of reactants since 2016 +1 CPC IPC+CPC Available in IPC and CPC
H01M 8/04029 Heat exchange using liquids since 2016 IPC+CPC Available in IPC and CPC
H01M 8/04037 CPC only CPC only
H01M 8/04044 Purification of heat exchange media since 2016 IPC+CPC Available in IPC and CPC
H01M 8/04052 CPC only CPC only
H01M 8/04059 CPC only CPC only
H01M 8/04067 +1 CPC CPC only CPC only