Patents by Inventor Jorgen LANGKRUIS

Jorgen LANGKRUIS 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).

  • Al-Cu-Mg ALLOY SUITABLE FOR AEROSPACE APPLICATION
    Publication number: 20070151637
    Abstract: An aluminium alloy wrought product having high strength and high fracture toughness and high resistance to intergranular corrosion. The alloy including in weight %: Cu 4.1-5.5%; Mg 0.30-1.6%; Mn 0.15-0.8%; Ti 0.03-0.4%; Cr 0.05-0.4%; Ag<0.7%; Zr<0.2%; Fe<0.20%, preferably <0.15%, more preferably <0.1%; Si<0.20%, preferably <0.15%, more preferably <0.1%; and the balance being aluminium and other impurities or incidental elements each <0.05%, total <0.15%.
    Type: Application
    Filed: October 23, 2006
    Publication date: July 5, 2007
    Applicant: ALERIS ALUMINUM KOBLENZ GMBH
    Inventors: Paola Valentina MORRA, Carlos CAICEDO MARTINEZ, Jorgen LANGKRUIS, Johan BOEZEWINKEL