Patents by Inventor Pekka Tähkiö

Pekka Tähkiö 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).

  • Patent number: 10166550
    Abstract: A flotation plant includes a tank module which includes a self-supporting framework having an inner space. The tank module includes at least one flotation tank. The flotation tank is disposed in the inner space of the self-supporting framework. The tank module is a self-supporting unit capable of being transferable and hoistable as an integral entity. The flotation plant includes at least two drive units for the rotation of drive shafts, each drive shaft being connected to a rotor for mixing and/or forming bubbles in the flotation tank. An overflow receptacle is disposed at the level of the upper part of the tank module for receiving an overflow from the flotation tanks. The flotation plant includes an overflow channel which is connected to the overflow receptacle for receiving and conducting the overflow from the overflow receptacle to a pumping means. The overflow channel is disposed outside the tank module.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: January 1, 2019
    Assignee: OUTOTEC (FINLAND) OY
    Inventors: Pekka Tähkiö, Jukka Lakanen, Matti Luukkonen
  • Patent number: 10137460
    Abstract: A drive module which is a self-supporting structure being transferable and hoistable as an integral entity. The drive module includes a self-supporting framework having a shape of a rectangular parallelepiped. The self-supporting framework defines an inner space within the self-supporting framework. The drive module also includes at least two drive units. The drive units are supported to the self-supporting framework in the inner space of the self-supporting framework. The drive units are connectable to an external rotatable shaft for the rotation of the rotatable shaft located outside the drive module.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: November 27, 2018
    Assignee: OUTOTEC (FINLAND) OY
    Inventors: Pekka Tähkiö, Valtteri Vaarna, Matti Luukkonen
  • Publication number: 20180161784
    Abstract: A flotation plant includes a tank module which includes a self-supporting framework having an inner space. The tank module includes at least one flotation tank. The flotation tank is disposed in the inner space of the self-supporting framework. The tank module is a self-supporting unit capable of being transferable and hoistable as an integral entity. The flotation plant includes at least two drive units for the rotation of drive shafts, each drive shaft being connected to a rotor for mixing and/or forming bubbles in the flotation tank. An overflow receptacle is disposed at the level of the upper part of the tank module for receiving an overflow from the flotation tanks. The flotation plant includes an overflow channel which is connected to the overflow receptacle for receiving and conducting the overflow from the overflow receptacle to a pumping means. The overflow channel is disposed outside the tank module.
    Type: Application
    Filed: May 13, 2015
    Publication date: June 14, 2018
    Inventors: Pekka TÄHKIÖ, Jukka LAKANEN, Matti LUUKKONEN
  • Patent number: D794745
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: August 15, 2017
    Assignee: Outotec (Finland) Oy
    Inventors: Pekka Tähkiö, Jukka Lakanen, Matti Luukkonen, Valtteri Vaarna