Patents by Inventor Colin Sage

Colin Sage 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).

  • Abrasive fluid jet machining
    Patent number: 5279075
    Abstract: There is disclosed a method of machining using a jet 14 of abrasive laden fluid. A workpiece 10 is rotated about its central axis 11 on a table and the jet 14 is moved in a radial direction 16. By controlling the relative movements, an overlapping cut can be produced thereby machining an entire chosen area.
    Type: Grant
    Filed: February 23, 1993
    Date of Patent: January 18, 1994
    Assignee: Rolls-Royce plc
    Inventors: Colin Sage, Robert Semple