Patents by Inventor Harry Bertheussen

Harry Bertheussen 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 manufacturing a lead alloy steel and a steel made according to the method
    Patent number: 4203763
    Abstract: Lead alloy steels, containing 0.15-0.35% of lead in the form of inclusions of average diameter less than 100 .mu.m evenly distributed over a cross-sectional area, and without a tendency to macrosegregation of lead, are prepared by injecting into a steel melt lead containing particles of diameter less than 5 mm in an inert carrier gas which is injected at a rate sufficient to stir the melt and distribute the lead uniformly.
    Type: Grant
    Filed: November 22, 1978
    Date of Patent: May 20, 1980
    Assignee: Scandinavian Lancers Aktiebolag
    Inventors: M. K. Olof Johnsson, Karl-Erik berg, Harry Bertheussen
  • Method for the alloying of a metal melt
    Patent number: 4200458
    Abstract: A method for the alloying of a metal melt with an alloying material by pneumatic injection of such element through a lance which is submerged in the melt. The alloying material may be lead or metals and compounds having physical properties similar to lead.
    Type: Grant
    Filed: November 22, 1978
    Date of Patent: April 29, 1980
    Assignee: Scandinavian Lancers Aktiebolag
    Inventors: Karl-Erik Oberg, Harry Bertheussen