Patents by Inventor Pekka M. Taskinen

Pekka M. Taskinen 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).

  • Apparatus for separating materials
    Patent number: 4810370
    Abstract: The invention relates to an apparatus for separating materials by making use of the difference in the specific gravities, when the material under separation is made to flow in countercurrent with respect to the flowing medium. The separating apparatus of the invention is advantageously composed of at least two flow pipes (2) with essentially equal diameters, and each of these is provided with a connected side flow pipe (6) by aid of which the material under separation can be divided into at least three different fractions.
    Type: Grant
    Filed: August 29, 1988
    Date of Patent: March 7, 1989
    Assignee: Outokumpu Oy
    Inventor: Pekka M. Taskinen
  • Immersible aerator and/or mixer apparatus
    Patent number: 4540290
    Abstract: The invention relates to an immersible aerator and/or mixer apparatus to be lowered onto the bottom of a basin or tank containing liquid, often also solid substances, and particularly the invention relates to the supporting structures of the said apparatus as well as to the devices for protecting the motor and power transmission chambers of the said aerator and/or mixer apparatus from the liquid contained in the said vessel.
    Type: Grant
    Filed: February 1, 1984
    Date of Patent: September 10, 1985
    Assignee: Outokumpu Oy
    Inventors: Erkki J. Jarvinen, Pekka M. Taskinen, Jarmo J. Pullo, Seppo T. Kinnunen, Arvo E. Andersson