• All sections
• F - Mechanical engineeringlightingheatingweaponsblasting
• F23C - Methods or apparatus for combustion using fluid fuel or solid fuel suspended in air
• F23C 9/08 - Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber for reducing temperature in combustion chamber, e.g. for protecting walls of combustion chamber

Patent holdings for IPC class F23C 9/08

Total number of patents in this class: 197

10-year publication summary

Principal owners for this class