Patents by Inventor Hans-Joachim Balke

Hans-Joachim Balke 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).

  • Iron-chrome aluminium-alloy
    Publication number: 20040131493
    Abstract: The invention relates to an iron-chrome-aluminium-alloy with a high service life, comprising (in mass %)>2-3.6% aluminium and >10-20% chromium, and other added materials, namely, 0.1-1% Si, max. 0.5% Mn, 0.01-0.2% yttrium and/or 0.01-0.2% Hf and/or 0.01-0.3% Zr, max. 0.01% Mg, max. 0.01% Ca, max. 0.08% carbon, max. 0.04% nitrogen, max. 0.04% phosphorus, max. 0.01% sulphur, max. 0.05% copper and respectively max. 0.1% molybdenum and/or tungsten and the usual manufacture-related impurities, the remainder being iron.
    Type: Application
    Filed: October 27, 2003
    Publication date: July 8, 2004
    Inventors: Heike Hattendorf, Juergen Webelsiep, Hans-Joachim Balke, Michael Eckhardt