Patents by Inventor John D. Herboldsheimer

John D. Herboldsheimer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Female socket-based male plug locking device
    Patent number: 5336103
    Abstract: A male plug locking device includes an inner socket body, elongated electrical contact elements disposed on the inner socket body, an outer housing disposed over the inner socket body and electrical contact elements, and locking cam elements disposed between the outer housing and inner socket body. The inner socket body is configured for receiving and engaging contact prongs of a male plug and for providing electrical connections with ends of the conductor wires of an electrical cord. The outer housing is mounted on the inner socket body to undergo movement relative thereto between first and second axially displaced positions.
    Type: Grant
    Filed: August 26, 1993
    Date of Patent: August 9, 1994
    Inventor: John D. Herboldsheimer