Patents by Inventor Heinz Seidenfaden

Heinz Seidenfaden 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).

  • Tool for trimming of edges
    Patent number: 4504178
    Abstract: The tool includes a handle containing a motor whose shaft extends from a tool head and carries a ball-shaped or a barrel-shaped cutter. A cantilever arm extends from the tool head and has a guide element cantilevered from its free end. The guide element is pivoted about one or two axes, extending at right angles to the axis of cutter rotation.
    Type: Grant
    Filed: December 11, 1980
    Date of Patent: March 12, 1985
    Assignee: Vereinigte Flugtechnische Werke GmbH
    Inventor: Heinz Seidenfaden
  • Tool for deburring, chamfering, trimming, and removing edges of workpieces
    Patent number: 4279554
    Abstract: A motor-driven ball cutter is disposed in a guide member held in relation to the rotational drive axis and being suspended for pivoting on an axis traversing the rotational axis in the ball's center due to mounting of the suspension coaxially to the rotational axis by means of a handle. The guide member is provided, for example, with an arcuate, outwardly tapered slot against which bears the work. The cutting depth is adjustable.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: July 21, 1981
    Assignee: Vereinigte Flugtechnische Werke-Fokker GmbH
    Inventor: Heinz Seidenfaden