Patents by Inventor Sture Löfgren

Sture Löfgren 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).

  • Powder composition and process for the preparation thereof
    Patent number: 6245165
    Abstract: The present invention concerns a hydrogen storage alloy powder composition for nickel metal hydride rechargeable batteries. The powder is distinguished by a fine dendritic stnucture and is prepared by gas atomising a metal melt and rapidly cooling the gas atomised powder, which is subsequently heat treated and pulverised.
    Type: Grant
    Filed: December 2, 1999
    Date of Patent: June 12, 2001
    Assignee: Hoganas AB
    Inventors: Johan Arvidsson, Ralf Carlström, Hans Hallén, Sture Löfgren