Patents by Inventor John Henrik Relander

John Henrik Relander 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: 4029494
    Abstract: A process and an apparatus for the smelting of a material containing noble metals, especially anode slime produced in the electrolytic copper process, in order to recover the noble metals, whereby slag-forming materials are mixed with the material containing noble metals, whereafter the mixture is smelted in an induction furnace to produce a metal phase and a slag phase, the slag is then removed at least partly before the melt is exposed to an oxidizing treatment in the same or in another induction furnace, and finally the refined metal is recovered.
    Type: Grant
    Filed: August 19, 1974
    Date of Patent: June 14, 1977
    Assignee: Outokumpu Oy
    Inventors: Aarne Albin Kapanen, Raimo Uolevi Rantanen, Leo Elias Lindroos, John Henrik Relander, Risto Johannes Honkala
  • Patent number: 4011290
    Abstract: A melt is passed as a flow into a space wherein the melt flow impinges against a deflecting surface transforming the melt flow into a thin, evenly spreaded film which, upon meeting one or more jets of a dispersing gaseous or liquid substance, is effectively dispersed.
    Type: Grant
    Filed: December 5, 1974
    Date of Patent: March 8, 1977
    Assignee: Outokumpu Oy
    Inventors: Seppo Ilmari Blomqvist, Launo Leo Lilja, Valto Johannes Makitalo, John Henrik Relander, Matti Ellas Honkaniemi, Frans Heikki Tuovinen
  • Patent number: 4006013
    Abstract: In a process for purifying carboniferous iron, nickel and/or cobalt alloys in which the base metal tends to form a carbide, a mixture of at least one halogen and hydrogen is added to the metal melt in order to remove in the form of halides the metals present as impurities.
    Type: Grant
    Filed: April 29, 1975
    Date of Patent: February 1, 1977
    Assignee: Outokumpu Oy
    Inventors: Simo Antero Iivari Makipirtti, John Henrik Relander