Patents by Inventor Alden P. Dana

Alden P. Dana 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).

  • Grinding apparatus, and process for the operation thereof
    Patent number: 5807162
    Abstract: A grinding apparatus comprises a table having a first bearing surface; a chuck mounted on the table for rotation about a chuck axis and provided with means for holding a workpiece, the chuck having on its underside a second bearing surface, such that when the chuck is stationary, the second bearing surface rests on the first bearing surface; a grinding head having a least one grinding surface capable of grinding a workpiece mounted on the table, the grinding head being mounted for rotation about a head axis substantially parallel to the chuck axis; and transport means for moving the chuck relative to the grinding head in both directions along a transport axis substantially perpendicular to both the chuck axis and the head axis.
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: September 15, 1998
    Assignee: Blanchard Windsor Corp.
    Inventor: Alden P. Dana