Patents by Inventor Franciscus Jacobus Helmes

Franciscus Jacobus Helmes 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).

  • Copy milling machine
    Patent number: 4077449
    Abstract: A copy milling machine for producing a series of identically shaped wooden products, for instance parts of furniture, starting from mainly identical workpieces, said machine comprising a template, two swingably mounted and rotatably driven milling cutters and two sets of conveyor rollers for passing a template with two adjacent workpieces between both milling cutters, each cutter having two cutting portions mirror-symmetrically shaped with respect to a middle zone with the greatest diameter.
    Type: Grant
    Filed: August 13, 1976
    Date of Patent: March 7, 1978
    Assignee: Helmes Machinefabriek B. V.
    Inventor: Franciscus Jacobus Helmes