• All sections
• F - Mechanical engineeringlightingheatingweaponsblasting
• F01C - Rotary-piston or oscillating-piston machines or engines
• F01C 1/39 - Rotary-piston machines or engines having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group and having a hinged member with vanes hinged to the inner as well as to the outer member

Patent holdings for IPC class F01C 1/39

Total number of patents in this class: 5

10-year publication summary

Principal owners for this class