Patents by Inventor Bartlomeus Cronje

Bartlomeus Cronje 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: 4474384
    Abstract: An elongated object such as a rolled steel section is adapted to be conveyed by means of a trolley supporting it at one end while the other end of the object is supported by a movable platform. The trolley comprises a frame of inverted U-shape to the legs of which are fixed a pair of wheels with a handle being attached to the frame and extending from the plane of the U-shaped frame. A subframe is suspended for rotation from a pivot shaft at the center of the U. The subframe is a square and carries a platform on which the one end of the elongated object rests such that manipulation of the handle facilitates movement and maneuvering of the object.
    Type: Grant
    Filed: July 20, 1982
    Date of Patent: October 2, 1984
    Assignee: Western Holdings Limited
    Inventor: Bartlomeus Cronje