Patents by Inventor Sievert Karl Gunnar Karlsson

Sievert Karl Gunnar Karlsson 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).

  • Device and method for powder handling for welding apparatus
    Patent number: 9492881
    Abstract: A welding device and method for powder welding. The welding device includes at least a first container for fluxing agent in powder form, which first container includes an outlet with an outlet direction arranged for outflow of powder. The welding device further includes a first member for inlet of heated gas into the first container. The welding method includes arranging powder in the first container. Gas is heated and is allowed to pass into the first container for heating of the powder. The powder is then deposited on a welding area.
    Type: Grant
    Filed: April 30, 2008
    Date of Patent: November 15, 2016
    Assignee: ESAB AB
    Inventors: Rolf Gösta Larsson, Sievert Karl Gunnar Karlsson
  • Device and Method for Powder Handling for Welding Apparatus
    Publication number: 20110290763
    Abstract: A welding device (1) for powder welding and a method for powder welding is described. The welding device comprises at least a first container (4) for fluxing agent in powder form, which first container (4) comprises an outlet (6) with an outlet direction (7) arranged for outflow of powder. The welding device (1) comprises a first member for inlet of heated gas into the first container. According to the method powder is arranged in the first container. Gas is heated and is allowed to pass into the first container (4) for heating of the powder. The powder is then fed out on a welding area (3).
    Type: Application
    Filed: April 30, 2008
    Publication date: December 1, 2011
    Applicant: ESAB AB
    Inventors: Rolf Gösta Larsson, Sievert Karl Gunnar Karlsson