• All sections
• F - Mechanical engineeringlightingheatingweaponsblasting
• F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
• F04C 2/30 - Rotary-piston machines or pumps 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

Patent holdings for IPC class F04C 2/30

Total number of patents in this class: 10

10-year publication summary

Principal owners for this class