Patents by Inventor Willbrord Beenken

Willbrord Beenken 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: 5570848
    Abstract: An eccentric vibrating mill with at least one grinding container, to which is solidly attached the exciter unit as vibrating drive, and in which for the purposes of improving the grinding properties of conventional vibrating mills according to the present invention there is provision for the grinding container to be excited eccentrically on one side, that is, outside the gravity axis and the mass center of the grinding container, whereby a balancing mass is provided for balancing the eccentric mass and the drive side spring axis lies between the gravity axes of the grinding container and the exciter unit and the exciter unit is operated such that uneven vibrations such as circular, elliptical and linear vibrations are produced.
    Type: Grant
    Filed: October 19, 1994
    Date of Patent: November 5, 1996
    Assignee: Siebtechnik GmbH
    Inventors: Eberhard Gock, Willbrord Beenken, Miroslaw Gruschka