Patents by Inventor David Hamilton Mitchell

David Hamilton Mitchell 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 analyzing device
    Patent number: 7430914
    Abstract: A vibration analysing device for determining the vibrational response of a structural element, comprising: a vibration sensor for providing an output in response to a force input imparted to the structural element; processing means adapted to determine one of a plurality of classifications in response to the output, each classification corresponding to a condition of the structural element; and display means for displaying the determined classification.
    Type: Grant
    Filed: September 16, 2005
    Date of Patent: October 7, 2008
    Assignee: Mitsui Babcock (US) LLC
    Inventors: David Hamilton Mitchell, Ian Alexander Hutchison