Patents by Inventor Goran E. Wastenson

Goran E. Wastenson 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: 4603028
    Abstract: A powder metallurgical method is described for producing precision components of sintered steel having high strength and high ductility by compressing a powder to form a green compact and sintering the latter at a temperature from 950.degree. to 1250.degree. C. for 5 to 90 minutes in a reducing atmosphere of partially combusted hydrocarbons, sufficient carbon being present to impart a carbon content of 0.05 to 0.6% by weight in the sintered steel; said powder consisting essentially of iron powder containing 0.65 to 0.8% phosphorus, 0.1 to 0.5% graphite or carbon powder, and 0 to 1.5% of a solid lubricant.
    Type: Grant
    Filed: July 22, 1985
    Date of Patent: July 29, 1986
    Assignee: Hoganas AB Fack
    Inventors: Per F. Lindskog, Goran E. Wastenson