Patents by Inventor Carl Erik Grip

Carl Erik Grip 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: 4072502
    Abstract: A method and apparatus for increasing blast gas temperature in a shaft furnace by passing at least part of the blast gas through a plasma burner, and also supplying additional fuel to the furnace at the tuyere level.
    Type: Grant
    Filed: September 19, 1975
    Date of Patent: February 7, 1978
    Assignees: SKF Industrial Trading and Development Co. B.V., Norrbottens Jarnverk AB
    Inventors: Sven Santen, Carl Erik Grip
  • 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