Patents by Inventor Raymond F. Woolf

Raymond F. Woolf 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: 4336595
    Abstract: This is an electronic device which determines the fatigue life of a structure and its crack growth characteristics when subjected to repeated loading by using the signal from an electrical resistance type strain gage secured to the structure to provide the input to a processor which monitors cyclic excursions, calculates the fatigue and fracture structural damage from those excursions, stores the cumulative damage, and displays that damage on command.
    Type: Grant
    Filed: June 26, 1981
    Date of Patent: June 22, 1982
    Assignee: Lockheed Corporation
    Inventors: Thomas E. Adams, Walter D. Murray, Raymond F. Woolf