Patents by Inventor Willem Joe Quadakkers

Willem Joe Quadakkers 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).

  • HEAT-RESISTANT IRON-CHROMIUM-ALUMINUM ALLOY WITH LOW CHROMIUM VAPORIZATION RATE AND ELEVATED THERMAL STABILITY
    Publication number: 20140219855
    Abstract: An iron-chromium-aluminum alloy with improved heat resistance, low chromium vaporization rate and good processability, comprising (in % by mass), 2.0 to 4.5% Al, 12 to 25% Cr, 1.0 to 4% W, 0.25 to 2.0% Nb, 0.05 to 1.2% Si, 0.001 to 0.70% Mn, 0.001 to 0.030% C, 0.0001 to 0.05% Mg, 0.0001 to 0.03% Ca, 0.001 to 0.030% P, max. 0.03% N, max. 0.01% S, remainder iron and the usual melting-related impurities.
    Type: Application
    Filed: June 6, 2012
    Publication date: August 7, 2014
    Applicant: OUTOKUMPU VDM GMBH
    Inventors: Heike Hattendorf, Bernd Kuhn, Thomas Eckardt, Tilmann Beck, Willem Joe Quadakkers, Werner Theisen, Nilofar Nabiran