Patents by Inventor Anthony J. Allnutt

Anthony J. Allnutt 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).

  • Apparatus and method for indicating stress in an object
    Patent number: 4378701
    Abstract: Apparatus and method for indicating stress in an object comprising viewing the temperature variation of part of the surface of the object as it is stressed. An infra-red detector detects small changes of temperature and the stress may be applied by natural loading or by cyclic stressing imposed by a vibrator.
    Type: Grant
    Filed: January 31, 1980
    Date of Patent: April 5, 1983
    Assignee: Sira Institute Limited
    Inventors: David S. Mountain, Anthony J. Allnutt, Lionel R. Baker, Laurence J. Cox, Alan J. Picot, Peter F. Wardropper, Julian M. Webber