Patents by Inventor John E. Giles

John E. Giles 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).

  • Apparatus for sharpening points
    Patent number: 4991355
    Abstract: A needle sharp conical point can be quickly honed by methods and apparatus that employ reciprocating or rotating abrasive surfaces that may be revolved in a circle around the point being sharpened. A reciprocating surface may be used to hone non-conical points. The size and shape of the points may be adjusted by changing the location at which the moving abrasive surface intersects the axis of the point. Examples of hand held, portable, self energizing apparatus are disclosed.
    Type: Grant
    Filed: May 1, 1989
    Date of Patent: February 12, 1991
    Inventor: John E. Giles
  • Apparatus and methods for sharpening points
    Patent number: 4879844
    Abstract: A needle sharp conical point can be quickly honed by methods and apparatus that employ reciprocating or rotating abrasive surfaces that may be revolved in a circle around the point being sharpened. A reciprocating surface may be used to hone non-conical points. The size and shape of the points may be adjusted by changing the location at which the moving abrasive surface intersects the axis of the point. Examples of hand held, portable, self energizing apparatus are disclosed.
    Type: Grant
    Filed: July 15, 1987
    Date of Patent: November 14, 1989
    Inventor: John E. Giles
  • Methods for sharpening points
    Patent number: 4869028
    Abstract: A needle sharp conical point can be quickly honed by methods and apparatus that employ reciprocating or rotating abrasive surfaces that may be revolved in a circle around the point being sharpened. A reciprocating surface may be used to hone non-conical points. The size and shape of the points may be adjusted by changing the location at which the moving abrasive surface intersects the axis of the point. Examples of hand held, portable , self energizing apparatus are disclosed.
    Type: Grant
    Filed: March 31, 1988
    Date of Patent: September 26, 1989
    Inventor: John E. Giles