Machines with more than one rotor or stator

Official title: Machines with more than one rotor or stator {(machines for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts H02K51/00; permanent magnet machines with multiple rotors or stators relatively rotated for vectorially combining the excitation fields or the armature voltages H02K21/029)}

H02K16/00 (Machines with more than one rotor or stator) appears on 2,465 US grants and 2,764 published applications in this corpus.