Patents by Inventor Frank Philip Lund

Frank Philip Lund 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).

  • Eddy current probe system and method for determining the midpoint and depth of a discontinuity
    Patent number: 5864229
    Abstract: A probe for generating a signal indicative of a quantitative measurement of the size of a surface defect, comprising a magnetic field generator for inducing currents in the surface, and a perturbation current sensor arrangement positioned relative to the field to give an output providing the quantitative measure.
    Type: Grant
    Filed: June 11, 1992
    Date of Patent: January 26, 1999
    Assignee: Millstrong Limited
    Inventor: Frank Philip Lund