• All sections
• F - Mechanical engineeringlightingheatingweaponsblasting
• F23B - Methods or apparatus for combustion using only solid fuel
• F23B 50/12 - Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone the fuel being fed to the combustion zone by free fall or by sliding along inclined surfaces, e.g. from a conveyor terminating above the fuel bed

Patent holdings for IPC class F23B 50/12

Total number of patents in this class: 41

10-year publication summary

Principal owners for this class