Patents by Inventor Gerald B. Williams

Gerald B. Williams 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).

  • Determining the dimensions of workpieces
    Patent number: 4271477
    Abstract: A method for measuring the width and/or the thickness of a workpiece comprising imaging a plane of the workpiece at two positions displaced vertically above a datum producing signals indicative of the angle subtended by the workpiece at the image positions and representative of the image widths apparent at these positions, combining the signals to provide product and difference components and calculating from the components the true workpiece width when at the datum and/or the workpiece thickness.
    Type: Grant
    Filed: May 21, 1979
    Date of Patent: June 2, 1981
    Assignee: British Steel Corporation
    Inventor: Gerald B. Williams