With radially from the rotor body extending elements, not necessarily co-operating with

Official title: {with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type}

F04C2/126 (With radially from the rotor body extending elements, not necessarily co-operating with) appears on 86 US grants and 98 published applications in this corpus.