Patents by Inventor Sven Santen

Sven Santen 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 of reducing ore using a plasma burner
    Patent number: 4019895
    Abstract: A method of producing metal from an oxidic material wherein final reduction and melting of a pre-reduced oxidic material takes place in the presence of a solid reduction agent in lump form, and wherein the reducing gas leaving the final reduction stage is used for pre-reducing the incoming oxidic material without the presence of solid reduction agent, and wherein extra energy is supplied to the final reduction and melting stage by means of a gaseous energy carrier and that the gas leaving the pre-reduction stage is used as fuel for pre-heating incoming oxidic material.
    Type: Grant
    Filed: February 10, 1975
    Date of Patent: April 26, 1977
    Assignee: SKF Industrial Trading and Development Company, B.V.
    Inventor: Sven Santen
  • Arrangement for feeding
    Patent number: 3970290
    Abstract: A method of increasing the blast temperature in a shaft furnace, characterized in that the blast gas entirely or partially is passed through a plasma.
    Type: Grant
    Filed: March 11, 1974
    Date of Patent: July 20, 1976
    Assignees: SKF Industrial Trading and Development Company, B.V., Norrbottens Jarnverk AB
    Inventors: Sven Santen, Carl Erik Grip