Patents by Inventor Philip Wellesley Dulhunty

Philip Wellesley Dulhunty 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).

  • Vibration damper for overhead power lines
    Patent number: 6943290
    Abstract: This invention relates to the design and manufacture of Stockbridge type vibration dampers for overhead power transmission lines. The invention provides a Stockbridge vibration damper comprising a pair of damping weights joined by a stranded steel cable, a clamp attached to the cable at a location intermediate the weights for attachment to an overhead power transmission line. The stranded steel cable comprises two or more layers of wire, wherein at the point of connection of the damping weight to the stranded steel cable one layer of wires is attached to the weight and the remaining layer(s) of wires is/are free to move.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: September 13, 2005
    Assignee: Dulhunty Power (Aust) Pty. Limited
    Inventor: Philip Wellesley Dulhunty
  • Vibration damper for overhead power lines
    Publication number: 20040035601
    Abstract: This invention relates to the design and manufacture of Stockbridge type vibration dampers for overhead power transmission lines. The invention provides a Stockbridge vibration damper comprising a pair of damping weights joined by a stranded steel cable, a clamp attached to the cable at a location intermediate the weights for attachment to an overhead power transmission line. The stranded steel cable comprises two or more layers of wire, wherein at the point of connection of the damping weight to the stranded steel cable one layer of wires is attached to the weight and the remaining layer(s) of wires is/are free to move.
    Type: Application
    Filed: August 26, 2003
    Publication date: February 26, 2004
    Inventor: Philip Wellesley Dulhunty