Patents by Inventor Veli Markku Klemetti

Veli Markku Klemetti 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).

  • Mixing
    Patent number: 6019497
    Abstract: The invention relates to the mixing of a gas with a liquid. The apparatus has a mixing space (5) between two surfaces of revolution one inside the other, into which space the liquid and the gas are fed tangentially so that the mixture comes into a rotary motion into the space. An inner mantle (2) with a conical intermediate section a forms a cross-sectional annular chamber which is smaller than the cross-section of the upper section of the annular chamber section (5). The invention can be used for example, in froth flotation processes, in dissolving processes, or in the aeration of waters.
    Type: Grant
    Filed: March 4, 1998
    Date of Patent: February 1, 2000
    Assignee: Valtion Teknillinen Tutkimuskeskus
    Inventors: Kauko Tapio Ingerttila, VainoViljo Heikki Hintikka, Raimo Tapio Tahvanainen, Veli Markku Klemetti, Pekka Parttyli Morsky, Veli Tapio Knuutinen