Patents by Inventor Frederick R. Fields

Frederick R. Fields 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).

  • Boring bar assembly
    Patent number: 4668133
    Abstract: A boring bar assembly for boring large diameter turbine bores in the field, the assembly utilizing a small hydraulic motor which drives a boring bar through an in line double reduction gear drive with a reduction ratio in excess of 100:1 and an output shaft which compensates for as much as 6.degree. angular misalignment between the boring bar and the output shaft of the gear box.
    Type: Grant
    Filed: October 1, 1985
    Date of Patent: May 26, 1987
    Assignee: Westinghouse Electric Corp.
    Inventors: Ira J. Campbell, John L. Morris, Jr., Thomas J. Whalen, Frederick R. Fields, Herbert Klingenhoff