Patents by Inventor Owe Andersson

Owe Andersson 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: 5631431
    Abstract: The invention relates to an additive for improving the machinability of iron-based powder compositions. The additive contains calcium fluoride particles which are included in an amount of 0.1-0.6% by weight in the powder composition. The invention further relates to powder compositions containing the additives indicated, as well as sintered products produced from the powder compositions.
    Type: Grant
    Filed: November 23, 1994
    Date of Patent: May 20, 1997
    Assignee: Hoganas AB
    Inventor: Owe Andersson
  • Patent number: 5545247
    Abstract: The invention relates to an additive for improving the machinability of iron-based powder compositions. The additive contains a combination of calcium fluoride particles and barium fluoride particles, which is included in an amount of 0.1-1.0% by weight in the powder composition. Further, the invention relates to powder compositions containing the indicated additives, as well as sintered products produced from the powder compositions.
    Type: Grant
    Filed: November 23, 1994
    Date of Patent: August 13, 1996
    Assignee: H ogan as AB
    Inventor: Owe Andersson