Patents by Inventor Olli Saarinen

Olli Saarinen 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: 5492554
    Abstract: The invention relates to a method for producing high-grade nickel matte and slag in a combination of a suspension smelting furnace and some other furnace without charge-type converting, so that at least part of the concentrate and/or ore fed into the process is first refined pyrometallurgically into nickel matte, which then is fed into the suspension smelting furnace, where the high-grade nickel matte proper is produced.
    Type: Grant
    Filed: December 7, 1994
    Date of Patent: February 20, 1996
    Assignee: Outokumpu Engineering Contractors Oy
    Inventors: Pekka Hanniala, Risto Saarinen, Olli Saarinen
  • Patent number: 4646494
    Abstract: An improved building panel for wall and roof systems comprises a core of expanded polystyrene or polyurethene foam faced with a layer of wood particle board of gypsum board covered by a layer of steel fastened to the particle board of gypsum so that during fire conditions, gases of vapors evolved from particle board of gypsum board can escape from the interior of the panel but air exterior to the panel is prevented from entering, thereby ensuring that the load-bearing capacity of the panel is maintained for an extended period of time during a fire.
    Type: Grant
    Filed: September 26, 1984
    Date of Patent: March 3, 1987
    Inventors: Olli Saarinen, Paavo Tihverainen, Seppo Rinne, Lauri Mehto