Patents by Inventor William C. Helton

William C. Helton 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).

  • Power plug adapter assembly and method
    Patent number: 6699058
    Abstract: An assembly is provided for retaining standard electrical plugs within receptacles in environments having vibration and shock conditions that loosen normal electrical plugs. The present invention includes an adapter with a first locking mechanism for locking the adapter to the electrical receptacle. The adapter contains a standard electrical receptacle to receive the power plug prongs of the power plug. In a preferred embodiment, a restraining collar is mounted adjacent the power plug and secured to the adapter with tie straps to thereby secure the power plug to the adapter.
    Type: Grant
    Filed: December 23, 2002
    Date of Patent: March 2, 2004
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Peter Estrela, William C. Helton, Timothy A. Adams