Patents Examined by G. R. Lord
  • Turn-to-turn grooved insulating tube and transformer including same
    Patent number: 5523734
    Abstract: A turn-to-turn grooved insulating tube includes a tubular member having a substantially continuous rib helix formed on an outer surface. The rib helix defines a substantially continuous helical groove for receiving a conductor for forming a coil of a transformer.
    Type: Grant
    Filed: November 18, 1994
    Date of Patent: June 4, 1996
    Assignee: Cooper Industries
    Inventors: Kenneth R. Beck, E. Franklin Deacon, Mike Bennett, Sam H. Lee