Patents by Inventor Aldert J. M. van Hemmen

Aldert J. M. van Hemmen 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).

  • Cutting device with removable tools
    Patent number: 4986011
    Abstract: Cutting device with a number of cutting tools which individually and replaceably are mounted upon a supporting edge, each tool being V-shaped with a short leg and a long leg. The space between said legs fits upon the tapered shape of said edge, each long leg extending into a bracket which is integral with the part having said edge and is located at a distance from said edge. Between said part and said long leg a deformable element is placed in a space formed between the bracket and the edge.
    Type: Grant
    Filed: April 17, 1989
    Date of Patent: January 22, 1991
    Assignee: Stapel B.V.
    Inventors: Aldert J. M. van Hemmen, Cornelis M. P. Wempe, Martinus A. Balm