Patents by Inventor Petter ?sholt

Petter ?sholt 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).

  • Castable heat resistant aluminium alloy
    Patent number: 9163302
    Abstract: The present invention relates to a castable heat resistant aluminum alloy for high temperature applications such as components in combustion engines, in particular for the manufacturing of highly loaded cylinder heads, the alloy comprises the following composition: .Si: 6.5-10 wt %.Mg: 0.25-0.35 wt %.Cu: 0.3-0.7 wt %.Hf: 0.025-0.55 wt % Optionally with the addition of: .Ti: 0-0.2 wt %.Zr: 0-0.3 wt %, the balance being made of Al and unavoidable impurities including Fe.
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: October 20, 2015
    Assignees: NORSK HYDRO ASA, MONTUPET S.A.
    Inventors: Terje Iveland, Stig Brusethaug, Petter Åsholt, Bruno Barlas, Denis Massinon, Philippe Meyer
  • Method and means for producing moulded foam bodies
    Patent number: 6866084
    Abstract: Present invention relates to a method and means for producing moulded bodies of a metal foam (9), in particular an aluminium foam. The Method involves the use of mould (1) having a cavity (8) and at least one entrance opening (3). The mould id filled with a metal foam in a manner where the entrance opening of the mould is submerged into a metal melt (4) and the melt is caused to foam inside the mould (1) and fill its cavity (8).
    Type: Grant
    Filed: August 26, 2002
    Date of Patent: March 15, 2005
    Assignee: Cymat Corporation
    Inventors: Petter Åsholt, Gunnar Tokle