Patents by Inventor Kent B. G. Kristensson

Kent B. G. Kristensson 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: 4561596
    Abstract: An apparatus for spreading granular material, such as fertilizer, has a carriage (1) on which there is mounted a vertical conveyer (5, 6) which comprises a vertical cylindrical housing (5) and a conveyer screw (6) rotatably mounted therein. The screw (6) is rigidly connected at its lower end to an infeed cup (8) and directly connected to a driving mechanism (7) below the cup (8). The cylindrical housing (5) and the screw wing of the screw (6) extend downwardly into the cup (8), and the cylindrical housing has guide means (9) conducting the material inwardly towards the screw blade of the screw. The material is supplied from a supply container (1A) directly down into the cup (8). At its upper end, the screw (6) is non-rotatably connected to its spreader (12) to which the granular material is conveyed via a discharge opening (20) in the cylindrical housing and a distributor disk (21).
    Type: Grant
    Filed: May 17, 1983
    Date of Patent: December 31, 1985
    Assignee: AB Scaniainventor
    Inventors: Olle L. Siwersson, Arne E. Wall, Kent B. G. Kristensson