Patents by Inventor Aarno Iisakki Kalliokoski

Aarno Iisakki Kalliokoski 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 cell with eccentric rotor and stator
    Patent number: 4075089
    Abstract: A flotation cell of the type comprising at least one froth removal edge and a rotor and stator adapted to be immersed in the liquid to be flotated, in order to direct the surface flow in the flotation cell towards its removal edge or edges, the clearance between the rotor and the stator, as seen in the rotation direction of the rotor, widens in that rotational sector or those rotational sectors of the rotor which is or which are substantially towards the removal edge or edges and respectively converges in the other rotation sector or the intermediate rotational sectors of the rotor.
    Type: Grant
    Filed: January 10, 1977
    Date of Patent: February 21, 1978
    Assignee: Outokumpu Oy
    Inventors: Kaarlo Matti Juhani Saari, Aarno Iisakki Kalliokoski