Patents by Inventor Allen E. Lepley

Allen E. Lepley 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: 4792232
    Abstract: A method and apparatus for the detection of undesirable surface deformities is disclosed wherein a known (linear) light pattern is reflected off a fabricated part having a nominally smooth surface, the reflected light pattern subsequently being analyzed for distortions from the expected light pattern. The extent of the detected distortions may be quantified by the use of a computer having appropriate software, in order to identify and quantify unacceptable surface deformities.
    Type: Grant
    Filed: May 18, 1987
    Date of Patent: December 20, 1988
    Assignee: Shell Oil Company
    Inventors: John D. Jobe, Allen E. Lepley