Patents by Inventor Tamara Appel

Tamara Appel 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).

  • Method for producing a sheet steel product protected against corrosion
    Publication number: 20090139872
    Abstract: A cost-favorable process for production of corrosion-resistant sheet steel products, having good characteristics of use for certain application purposes includes applying a zinc-containing coating by electro-galvanizing a flat steel product, finally cleaning mechanically and/or chemically the flat steel product, applying a magnesium-based coating to the finally cleaned zinc-containing coating by means of vapour deposition, and heat treating the coated flat steel product to form a diffusion or convention layer between the zinc-containing coating and the magnesium-based coating at a temperature of 320 ° C. to 335 ° C. under normal atmosphere.
    Type: Application
    Filed: September 22, 2006
    Publication date: June 4, 2009
    Applicant: ThyssenKrupp Steel AG
    Inventors: Nicole Weiher, Bernd Schuhmacher, Michael Steinhorst, Andreas Klare, Tamara Appel, Ralf Bause, Stefan Kohler, Krasimir Nikolov, Monika Riemer, Slavcho Topalski, Frank Friedel, Wilfried Prange, Reinhard Schulski, Christian Schwerdt, Rolf Bode, Brigitte Bode