Patents by Inventor Johannes P. Gense

Johannes P. Gense 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).

  • Centrifuge
    Patent number: 4141488
    Abstract: A centrifuge for separating liquid and solid materials, comprising an outer drum and an inner drum formed as a worm conveyor. Control means are provided for maintaining a set speed differential between the outer drum and the inner drum at a constant value through a proportional action, and in addition to the proportional action performing a corrective control action on the speed differential upon variation of the torque required.
    Type: Grant
    Filed: August 18, 1977
    Date of Patent: February 27, 1979
    Assignee: Koninklijke Nederlandse Papierfabrieken N.W.
    Inventor: Johannes P. Gense