Patents by Inventor Trevor R. Prinsloo

Trevor R. Prinsloo 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).

  • Spiral concentrator
    Patent number: 5472096
    Abstract: A spiral concentrator (1) comprising a spiral trough (2) mounted on a central column (3) which is characterized therein that, in comparison with a conventional trough having a profile (11) which is generally concave and which slants downwardly from an outer edge of the trough towards a central column, the profile (8) of the trough is deepened in a section of the trough adjacent the central column of the concentrator.
    Type: Grant
    Filed: July 15, 1994
    Date of Patent: December 5, 1995
    Assignee: Multotec Cyclones (PTY) Limited
    Inventor: Trevor R. Prinsloo