F03C 2/02

Rotary-piston engines: of arcuate-engagement type, i.e. with circular translatory movement of co-operating

Official title: 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

F03C2/02 (Rotary-piston engines: of arcuate-engagement type, i.e. with circular translatory movement of co-operating) appears on 11 US grants and 13 published applications in this corpus.

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13 Jan 2026