Patents by Inventor Arvo Repo

Arvo Repo 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).

  • Flotation machine
    Patent number: 4624777
    Abstract: The invention relates to a flotation machine designed for floating minerals from sludges containing coarse particles. The flotation machine comprises a rotor (3) and a stator (2) provided with actuator machinery and auxiliary equipment (7, 8, 9). The bottom (14) of the stator (2) is solid and the stator-rotor mechanism is located within the cell apart from the cell bottom (10). The feed inlet pipe (12) is connected to the cell so that the feed is directed towards the mixing zone of the rotor flow.
    Type: Grant
    Filed: November 15, 1984
    Date of Patent: November 25, 1986
    Assignee: Outokumpu Oy
    Inventors: Jouko O. Kallioinen, Tauno J. Vahasarja, Arvo Repo