• All sections
• F - Mechanical engineeringlightingheatingweaponsblasting
• F02M - Supplying combustion engines in general with combustible mixtures or constituents thereof
• F02M 9/12 - Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly typeCarburettors having fuel-air mixing chambers of variable shape or position having other specific means for controlling the passage, or for varying cross-sectional area, of fuel-air mixing chambers

Patent holdings for IPC class F02M 9/12

Total number of patents in this class: 14

10-year publication summary

Principal owners for this class