Patents by Inventor Peter G. Bourke

Peter G. Bourke 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).

  • Membrane washing apparatus for flotation device
    Patent number: 5511669
    Abstract: A flotation device (1) which includes a tank (2) to contain a slurry (3) incorporating minerals which are to be extracted. Aeration of the slurry (3) by suitable structure in the device produces a zone (11) of mineralised froth above the slurry (3). A launder (15) directs the mineralised froth away from the tank (2). At least one porous diffusion surface (16) in direct contact with the froth dispenses a washing liquid directly into the froth zone (11).
    Type: Grant
    Filed: September 2, 1994
    Date of Patent: April 30, 1996
    Assignee: Supaflo Technologies Pty. Ltd
    Inventor: Peter G. Bourke