• All sections
• F - Mechanical engineeringlightingheatingweaponsblasting
• F01C - Rotary-piston or oscillating-piston machines or engines
• F01C 1/073 - Rotary-piston machines or engines of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents with coaxially-mounted members having continuously-changing circumferential spacing between them having pawl-and-ratchet type drive

Patent holdings for IPC class F01C 1/073

Total number of patents in this class: 5

10-year publication summary

Principal owners for this class