• All sections
• F - Mechanical engineeringlightingheatingweaponsblasting
• F01B - Machines or engines, in general or of positive-displacement type, e.g. steam engines
• F01B 3/08 - Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis the piston motion being transmitted by curved surfaces by multi-turn helical surfaces and automatic reversal the helices being arranged on the pistons

Patent holdings for IPC class F01B 3/08

Total number of patents in this class: 2

10-year publication summary

Principal owners for this class