Patents by Inventor Karl Vilhelm Evert Eklof

Karl Vilhelm Evert Eklof 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: 4020953
    Abstract: An apparatus for unloading particulate material, especially from ships, having an arm system comprising a horizontal conveyor section and a vertical conveyor section, which sections are interconnected in a torsionally rigid but pivotal manner for mutual relative movements in a common plane. The horizontal conveyor section is pivotally and swingably connected to a frame or foundation for raising and lowering of the horizontal conveyor section and for swinging of the complete arm system relative to the frame or foundation. In addition to being pivotally and swingably connected to the frame or foundation the horizontal conveyor section is tiltably connected thereto for inclination of the plane common to the vertical and horizontal conveyor sections relative to a vertical plane.
    Type: Grant
    Filed: March 31, 1976
    Date of Patent: May 3, 1977
    Assignee: AB Siwertell
    Inventors: Karl Vilhelm Evert Eklof, Karl August Lennart Tingskog