including secondary combustion (in separate combustion chambers F23B10/02)

Introduced: January 2011

Title

Titles differ between systems:

IPC: including secondary combustion

CPC: including secondary combustion (in separate combustion chambers F23B10/02)

Full titles differ between systems:

IPC:

Combustion methods not related to a particular type of apparatus > including secondary combustion

CPC:

Combustion methods not related to a particular type of apparatus > including secondary combustion (in separate combustion chambers F23B10/02)

Combustion apparatus including separate secondary combustion chambers

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 2011.

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F23B 90/06 the primary combustion being a gasification or pyrolysis in a reductive atmosphere since 2011 IPC+CPC Available in IPC and CPC
F23B 90/08 in the presence of catalytic material since 2011 IPC+CPC Available in IPC and CPC

Class F23,2013–2023, worldwide · Source: EPO PATSTAT

Class F23,2013–2023, worldwide · Source: EPO PATSTAT