DIFF Main Group
F23B 80/00 Combustion apparatus characterised by means creating a distinct flow path for flue gases or for non-combusted gases given off by the fuel
Introduced: January 2006
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 2006.
Child Classifications
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- F23B 80/02 by means for returning flue gases to the combustion chamber or to the combustion zone since 2006 IPC+CPC Available in IPC and CPC
- F23B 80/04 by means for guiding the flow of flue gases, e.g. baffles since 2006 IPC+CPC Available in IPC and CPC