Patents by Inventor Stig Ove Berg

Stig Ove Berg 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).

  • Arrangement for withdrawing material from a silo
    Patent number: 4099632
    Abstract: Arrangement for withdrawing material from the bottom portion of a silo having an inclined silo bottom and a discharge funnel at the lowest point of the silo bottom, comprising a conveying screw which is disposed above the inclined silo bottom and which on the one hand is rotatable about its longitudinal axis and on the other hand moves along the silo bottom and which conveys the material in the direction towards a discharge funnel at the lowest point of the silo bottom, and wherein the drive of the screw is disposed outside the silo wall and the bearing of the screw is disposed at the opposite end outside the discharge funnel and on the latter, both the drive and the discharge funnel being rotatably mounted to permit a sweeping movement of the screw over the silo bottom.
    Type: Grant
    Filed: July 13, 1976
    Date of Patent: July 11, 1978
    Assignee: C J Wennberg AB
    Inventors: Stig Ove Berg, Rolf Tore Persson