Patents by Inventor Tuomo Pokki

Tuomo Pokki 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).

  • Method and arrangement for increasing evaporation capacity of a multi-stage evaporator of spent liquor in a pulp mill
    Patent number: 6132555
    Abstract: A method and arrangement for increasing evaporation capacity in a multi-stage evaporation plant of spent liquor of a pulp mill. The method includes increasing the pressure of vapor discharged from an evaporation stage by a separate booster, and supplying the vapor having increased pressure to the following evaporation stage. In the arrangement the booster (A-E) is provided in a conduit through which vapor is supplied from one evaporation stage onwards for increasing the pressure of the vapor conducted in the conduit.
    Type: Grant
    Filed: October 30, 1997
    Date of Patent: October 17, 2000
    Assignee: Kvaerner Pulping Oy
    Inventors: Jouko Rikkinen, Tuomo Pokki