Arrangements for regulating or controlling electric motors, appropriate for both ac and

Official title: Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors (arrangements for starting electric motors H02P1/00; arrangements for stopping or slowing electric motors H02P3/00; control of motors that can be connected to two or more different electric power supplies H02P4/00; regulating or controlling the speed or torque of two or more electric motors H02P5/00; vector control H02P21/00)

H02P29/00 (Arrangements for regulating or controlling electric motors, appropriate for both ac and) appears on 5,329 US grants and 6,218 published applications in this corpus.