Patents by Inventor Andre Nardus Terblanche

Andre Nardus Terblanche 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).

  • Method and apparatus for aeration of liquids or slurries
    Patent number: 6092667
    Abstract: A method of aerating a liquid comprising the steps of providing a column, introducing liquid under pressure into an upper zone of the column in the form of a jet of liquid directed in a path, permitting gas to be entrained by the jet of liquid, obstructing the path of the jet of liquid to form a zone of turbulence in which bubbles are formed in the liquid to create a foam or froth bed in the column, and removing the foam or froth.
    Type: Grant
    Filed: December 9, 1998
    Date of Patent: July 25, 2000
    Assignee: Multotec Process Equipment Limited
    Inventors: Arno Steinmuller, Michael Hugh Moys, Andre Nardus Terblanche