Patents by Inventor Stephen James Hughes

Stephen James Hughes 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).

  • Patent number: 7044759
    Abstract: An automatically disconnecting plug has a rotatable drive member with a threaded central aperture. A threaded shaft extends through the central aperture. An electrically conductive coupling member is carried by the shaft. Upon rotation of the drive member, the coupling member is disconnected by being carried by the shaft into the interior cavity of the housing.
    Type: Grant
    Filed: June 21, 2004
    Date of Patent: May 16, 2006
    Inventor: Stephen James Hughes
  • Publication number: 20040266236
    Abstract: An automatically disconnecting plug has a rotatable drive member with a threaded central aperture. A threaded shaft extends through the central aperture. An electrically conductive coupling member is carried by the shaft. Upon rotation of the drive member, the coupling member is disconnected by being carried by the shaft into the interior cavity of the housing.
    Type: Application
    Filed: June 21, 2004
    Publication date: December 30, 2004
    Inventor: Stephen James Hughes