Patents by Inventor Kaisa MIINALAINEN

Kaisa MIINALAINEN 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: 10357783
    Abstract: A method for controlling gas circulation in a mineral flotation process in a system including one or more flotation cell unit(s) with an apparatus including a gas recirculation loop, a flushing system including an expulsion line for connecting pressure side of the gas recirculation loop to atmosphere and a suction line including a water lock, or means, other than a water lock, for restricting the gas flow and preventing back flow of unpurified gas to the atmosphere, for connecting suction side of the gas recirculation loop to the atmosphere.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: July 23, 2019
    Assignee: OUTOTEC (FINLAND) OY
    Inventors: Jukka Lakanen, Rodrigo Grau, Kaisa Miinalainen
  • Publication number: 20170197221
    Abstract: A method for controlling gas circulation in a mineral flotation process in a system including one or more flotation cell unit(s) with an apparatus including a gas recirculation loop, a flushing system including an expulsion line for connecting pressure side of the gas recirculation loop to atmosphere and a suction line including a water lock, or means, other than a water lock, for restricting the gas flow and preventing back flow of unpurified gas to the atmosphere, for connecting suction side of the gas recirculation loop to the atmosphere.
    Type: Application
    Filed: June 11, 2015
    Publication date: July 13, 2017
    Applicant: OUTOTEC (FINLAND) OY
    Inventors: Jukka LAKANEN, Rodrigo GRAU, Kaisa MIINALAINEN