Patents by Inventor Marinus C. M. Widlak

Marinus C. M. Widlak 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).

  • Patent number: 4702424
    Abstract: A device for chipping wood with the aide of a combination of a cylinder rotatable about its longitudinal axis and provided with one or more protruding, longitudinal knives and a counterknife disposed along side the cylinder wherein along at least 3/4 of its length, the cylinder has a surface with transverse grooves and, viewed in the direction of rotation, in front of each knife, a slot for temporarily collecting and conducting away the chipped wood.
    Type: Grant
    Filed: March 17, 1987
    Date of Patent: October 27, 1987
    Assignee: Autobedrijf de Beemd
    Inventor: Marinus C. M. Widlak