Patents by Inventor Donald McHugh

Donald McHugh 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: 6544106
    Abstract: A method of dressing a grinding wheel by advancing a dressing tool across the surfaces to be dressed, the method comprising first moving the dressing tool across each side portion to remove material to make the wheel of predetermined width and then across the edge of the wheel to form corner radii, wherein the dressing tool is rotated as it is advanced and the speed of advancement across the side surfaces is different from that across the edge.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: April 8, 2003
    Assignee: Unicorn Abrasives Limited
    Inventors: Donald McHugh, Jay Merkle