DIFF Subgroup
H01M 8/0247 characterised by the form (characterised by a channel configuration H01M8/0258)
Introduced: January 2016
Title
Titles differ between systems:
IPC: characterised by the form
CPC: characterised by the form (characterised by a channel configuration H01M8/0258)
Full Title
Full titles differ between systems:
IPC:
Fuel cells; Manufacture thereof > Details > Collectors; Separators, e.g. bipolar separators; Interconnectors > characterised by the form
CPC:
Fuel cells; Manufacture thereof > Details (electrodes H01M4/86 - H01M4/98) > Collectors; Separators, e.g. bipolar separators; Interconnectors > characterised by the form (characterised by a channel configuration H01M8/0258)
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
IPC defines codes here since 2016.
Child Classifications
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- H01M 8/0256 Vias, i.e. connectors passing through the separator material since 2016 IPC+CPC Available in IPC and CPC