Patents by Inventor Carlos E. Pfaff

Carlos E. Pfaff 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).

  • Dressing of grinding wheels
    Patent number: 4903679
    Abstract: In a method for dressing a grinding wheel (2) by advancing a diamond nib (6) adjacent the outer circumference of the wheel (2) while the wheel (2) rotates about its axis, which method includes causing the diamond nib (6) to execute a plurality of passes in a direction parallel to the axis of wheel (2) rotation while displacing the nib (6) perpendicular to the axis of wheel (2) rotation in a pattern corresponding to the profile to be created at the wheel (2) circumference, which profile includes at least one annular groove having at least one side wall which extends in a given angular direction at an angle of no greater than 20.degree.
    Type: Grant
    Filed: October 14, 1988
    Date of Patent: February 27, 1990
    Assignee: Westinghouse Electric Corp.
    Inventors: William E. Kiger, Carlos E. Pfaff