Patents by Inventor James E. Harrow

James E. Harrow 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).

  • Work-piece supported tool apparatus particularly adapted for use with large structural members
    Patent number: 4268196
    Abstract: Apparatus is provided for carrying, positioning and operating relatively unwieldy machine tools, such as heavy multiple-head drilling assemblies, upon massive flanged work-pieces, such as structural members for bridges, in order to more efficiently perform required operations upon the work-pieces, such as the pre-drilling of girders and their associated splice plates in a fabrication yard prior to field erection of the structure into which they will be assembled.
    Type: Grant
    Filed: August 3, 1979
    Date of Patent: May 19, 1981
    Assignee: Kansas City Structural Steel Co.
    Inventors: James E. Harrow, Robert T. Kenney, II